Lenovo ThinkPad L420 Hardware Maintenance Manual
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Lenovo ThinkPad L420 Hardware Maintenance Manual

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Hardware Maintenance Manual
ThinkPad L420, L421, and L520

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Summary of Contents for Lenovo ThinkPad L420

  • Page 1 Hardware Maintenance Manual ThinkPad L420, L421, and L520...
  • Page 2 Appendix A “Notices” on page 155. Sixth Edition (March 2012) © Copyright Lenovo 2011, 2012. LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered pursuant a General Services Administration “GSA” contract, use, reproduction, or disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

  • Page 3: Table Of Contents

    Checkout guide ....1010 Battery pack ... . . System supporting the Lenovo ThinkVantage 1020 ExpressCard blank bezel and Media Card Toolbox program and the PC-Doctor for DOS blank bezel .
  • Page 4 1170 Keyboard ....Keyboard ....1180 Keyboard bezel ... . Miscellaneous parts .

  • Page 5: About This Manual

    Before servicing a ThinkPad product, be sure to read all the information under Chapter 1 “Safety information” on page 1 and Chapter 2 “Important service information” on page 25. © Copyright Lenovo 2011, 2012...
  • Page 6 Hardware Maintenance Manual...

  • Page 7: Chapter 1. Safety Information

    • Reinstall all covers correctly before returning the machine to the customer. • Fan louvers on the machine help to prevent overheating of internal components. Do not obstruct fan louvers or cover them with labels or stickers. © Copyright Lenovo 2011, 2012...

  • Page 8: Electrical Safety

    Electrical safety Observe the following rules when working on electrical equipment. Important: Use only approved tools and test equipment. Some hand tools have handles covered with a soft material that does not insulate you when working with live electrical currents. Many customers have, near their equipment, rubber floor mats that contain small conductive fibers to decrease electrostatic discharges.

  • Page 9: Safety Inspection Guide

    – Use caution; do not become a victim yourself. – Switch off power. – Send another person to get medical aid. Safety inspection guide The purpose of this inspection guide is to assist you in identifying potentially unsafe conditions. As each machine was designed and built, required safety items were installed to protect users and service technicians from injury.

  • Page 10: Grounding Requirements

    2. Make sure that the ESD protective devices you use have been certified (ISO 9000) as fully effective. When handling ESD-sensitive parts: • Keep the parts in protective packages until they are inserted into the product. • Avoid contact with other people. •...
  • Page 11 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 12 DANGER Hardware Maintenance Manual...
  • Page 13 PERIGO PERIGO PERIGO Chapter 1 Safety information...
  • Page 14 PERIGO PERIGO PERIGO PERIGO PERIGO DANGER Hardware Maintenance Manual...
  • Page 15 DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information...
  • Page 16 DANGER DANGER VORSICHT VORSICHT VORSICHT Hardware Maintenance Manual...
  • Page 17 VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information...
  • Page 18 Hardware Maintenance Manual...
  • Page 19 Chapter 1 Safety information...
  • Page 20 Hardware Maintenance Manual...
  • Page 21 Chapter 1 Safety information...
  • Page 22 Hardware Maintenance Manual...

  • Page 23: Laser Compliance Statement (Multilingual Translations)

    Laser compliance statement (multilingual translations) The laser compliance statements in this section are provided in the following languages: • English • Arabic • Brazilian Portuguese • French • German • Hebrew • Japanese • Korean • Spanish • Traditional Chinese Chapter 1 Safety information...
  • Page 24 Hardware Maintenance Manual...
  • Page 25 Chapter 1 Safety information...
  • Page 26 Hardware Maintenance Manual...
  • Page 27 Chapter 1 Safety information...
  • Page 28 Hardware Maintenance Manual...
  • Page 29 Chapter 1 Safety information...
  • Page 30 Hardware Maintenance Manual...

  • Page 31: Chapter 2. Important Service Information

    – “FRU identification for CTO, CMV, and GAV products” on page 27 Important: • Advise customers to contact the Lenovo Customer Support Center if they need any assistance in obtaining or installing any software fixes, drivers, and BIOS downloads. Telephone numbers for Lenovo Support are available at: http://www.lenovo.com/support/phone...

  • Page 32: Strategy For Replacing A Hard Disk Drive

    MT and 3-digit model, where model = “CTO” (Example: 1829-CTO). Custom Model Variant (CMV) This is a unique configuration that has been negotiated between IBM or Lenovo and the customer. A unique 4-digit MT and 3-digit model is provided to the customer to place orders (Example: 1829-W15). A CMV is a special bid offering.

  • Page 33: Fru Identification For Cto, Cmv, And Gav Products

    = a “fixed part number”, not “CTO” (Example: 1829-F1U). • PEW can be accessed at the following Web site: http://www.lenovo.com/support/site.wss/document.do?lndocid=LOOK-WARNTY Select Warranty lookup. Input the MT and the Serial number and the list of key commodities will be returned in the PEW record under COMPONENT INFORMATION.
  • Page 34 Use the HMM as a backup to PEW and eSupport to view the complete list of FRUs at the MT model level. Hardware Maintenance Manual...

  • Page 35: Chapter 3. General Checkout

    “What to do first” on page 29 • “Checkout guide” on page 30 – “System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program” on page 30 – “System supporting the Lenovo diagnostics programs” on page 34 •...

  • Page 36: Checkout Guide

    System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program The section provides information about ThinkPad computers that support the Lenovo ThinkVantage Toolbox ® program and the PC-Doctor for DOS diagnostics program. Some descriptions might not apply to your particular computer.
  • Page 37 Configuration utility for DOS. The utility is available on the following Web site: http://www.lenovo.com/support PC-Doctor cannot be used to test a device that is in the docking station, even if the computer supports the docking station.
  • Page 38 Diagnostics Interactive Tests • Run Normal Test • Keyboard • Run Quick Test • Video • CPU/Coprocessor • Internal Speaker • Systemboard • Mouse • Video Adapter • Diskette • Serial Ports • System Load • Fixed Disks • Optical Drive Test •...

  • Page 39: Lenovo Thinkvantage Toolbox

    Download Lenovo ThinkVantage Toolbox, and follow the instructions on the screen. To run this program, do as follows: Windows 7: Click Start ➙ Control Panel ➙ System and Security ➙ Lenovo - System Health and Diagnostics. ® Windows Vista and Windows XP: Click Start ➙...

  • Page 40: System Supporting The Lenovo Diagnostics Programs

    It also can be downloaded from http://www.lenovo.com/diags. To run the Lenovo Solution Center program, click Start ➙ Control Panel ➙ System and Security ➙ Lenovo - System Health and Diagnostics, and then follow the instructions on the screen.

  • Page 41: Uefi Diagnostic Program

    F12 key. 3. Press the Tab key to switch to the Application Menu window. 4. Use the arrow keys to select Lenovo Diagnostics and then press Enter. The main screen of the UEFI diagnostic program is displayed.

  • Page 42: Power System Checkout

    2. Click Lenovo Bootable Diagnostics. 3. Follow the instructions on the Web site to create a bootable diagnostic medium on a USB device or CD. To use the diagnostic medium you have created, do one of the following: • If you have created the bootable diagnostic medium on a USB device, do the following: 1.

  • Page 43: Checking Operational Charging

    • If the power-on indicator does not turn on, check the power cord of the ac power adapter for correct continuity and installation. • If the computer does not charge during operation, go to “Checking operational charging” on page 37. To check the ac power adapter, do the following: 1.

  • Page 44: Checking The Backup Battery

    2. Remove the battery pack and measure the voltage between battery terminals 1 (+) and 7 (-). See the following figure: Terminal Voltage (V dc) + 0 to + 12.6 Ground (-) 7(-) 6(-) 2(+) 1(+) 3. If the voltage is less than +11.0 V dc, the battery pack has been discharged. Note: Recharging will take at least 3 hours, even if the indicator does not turn on.

  • Page 45: Chapter 4. Related Service Information

    Service Web site: When the latest maintenance diskette and the system program service diskette become available, they will be posted on http://www.lenovo.com/support. Restoring the factory contents by using Recovery Disc Set When the hard disk drive or solid state drive is replaced because of a failure, no product recovery program is on the new hard disk.

  • Page 46: Passwords

    3. Press F10 to save the Setup Utility configuration changes. Follow the instructions on the screen to begin the recovery process. 4. Select your language and click Next. 5. Read the license. If you agree with the terms and conditions, select I accept these terms and conditions and then click Next.

  • Page 47: Supervisor Password

    Attention: If the user HDP has been forgotten, check whether a master HDP has been set. If it has, it can be used for access to the hard disk drive. If no master HDP is available, neither Lenovo nor Lenovo authorized service technicians provide any services to reset either the user or the master HDP, or to recover data from the hard disk drive.

  • Page 48: Power Management

    To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following: 1. Turn on the computer. 2. When the ThinkPad logo comes up, immediately press F1 to enter BIOS Setup Utility. For models supporting the Passphrase function, press F1 while HDP icon is appearing on the screen;...

  • Page 49: Hibernation Mode

    Note: Even if you do not set the low-battery alarm, the charge indicator notifies you when the battery is low, and then the computer enters the power-saving mode automatically. To cause the computer to return from sleep (standby) mode and resume operation, do one of the following: •...

  • Page 50: Numeric Error Codes

    • “Error messages” on page 46 • “No-beep symptoms” on page 46 • “LCD-related symptoms” on page 46 • “Intermittent problems” on page 47 • “Undetermined problems” on page 47 The symptom-to-FRU index in this section lists symptoms and errors and their possible causes. The most likely cause is listed first, in boldface type.
  • Page 51 Table 2. Numeric error codes (continued) FRU or action, in sequence Symptom or error (beeps, if any) 0232 1. DIMM. Extended RAM error— Extended RAM fails at offset nnnn. 2. System board. (two short beeps) 0250 1. Charge the backup battery for more than 8 hours System battery error—System battery is dead.

  • Page 52: Error Messages

    Error messages Table 3. Error messages Symptom or error (beeps, if any) FRU or action, in sequence Bad CRC2. Enter BIOS Setup Utility, and load Setup Press F1 to enter BIOS Setup Utility. Press F9, and defaults. Enter to load the default setting. Then save the current (two short beeps) setting by pressing F10, and restart the computer.

  • Page 53: Intermittent Problems

    If the LCD you are servicing has two or less visible defective pixels, it should not be considered faulty. However, if the LCD has three or more visible defective pixels, it will be deemed as defective by Lenovo and it should be replaced.
  • Page 54 d. Battery pack e. Hard disk drive f. External diskette drive or optical drive g. DIMM h. Optical disk or diskette in the internal drive i. PC Cards 4. Turn on the computer. 5. Determine whether the problem has been solved. 6.

  • Page 55: Chapter 5. Status Indicators

    • Blinking green: Data is being transmitted. Bluetooth wireless • Green: Bluetooth wireless is on, and the radio link is ready for use. status • Blinking green: Data is being transmitted. © Copyright Lenovo 2011, 2012...
  • Page 56 Table 6. Status indicators (continued) Indicator Meaning Device access Data is being read from or written to the hard disk drive. When this indicator is on, do not put the computer into sleep (standby) mode or turn off the computer. Note: Do not move the computer while this indicator is on.

  • Page 57: Chapter 6. Fn Key Combinations

    Change the camera settings and the setting of the microphone mute button. When you press Fn+F6, the camera setting window is opened. Note: For Windows XP models, the setting of the microphone mute button cannot be changed. © Copyright Lenovo 2011, 2012...
  • Page 58 Table 7. Fn key combinations (continued) Key combination Description Fn+F7 Apply a presentation scheme directly, with no need to start Presentation Director. To disable this function and use the Fn+F7 key combination for switching a display output location, start Presentation Director, and change the settings. Note: If the computer is a Windows 7 model, it does not support presentation schemes, but the Fn+F7 combination is available for switching a display output location.
  • Page 59 Table 7. Fn key combinations (continued) Key combination Description Fn+ScrLk Enable or disable the numeric keypad. The indicator of numeric lock will be displayed on the screen. Fn+Pause Have the same function as the Break key. Fn+cursor keys These key combinations are for use with Windows Media Player. They have the following functions: •...
  • Page 60 Hardware Maintenance Manual...

  • Page 61: Chapter 7. Fru Replacement Notices

    • Make sure that you use the correct screw. It is recommended to use new screws for replacements. • If you have a torque screwdriver, tighten all screws firmly to the torque specified in the screw information table for each step. • Ensure torque screw drivers are calibrated correctly following country specifications. © Copyright Lenovo 2011, 2012...

  • Page 62: Retaining Serial Numbers

    If you replace the system board, you must restore the serial number of the system unit to its original value. Before replacing the system board, save the original serial number by doing the following: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer.

  • Page 63: Reading Or Writing The Eca Information

    When you replace the system board, you must set the UUID on the new system board as follows: 1. Install the LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later, and restart the computer.
  • Page 64 Hardware Maintenance Manual...

  • Page 65: Chapter 8. Removing And Replacing A Fru

    • The only exception to this is if the battery pack is physically damaged or a customer is reporting a possible safety issue. • If Lenovo ThinkVantage Toolbox or Lenovo Solution Center is not installed in the computer, the customer should download this program before a non-physically damaged battery pack is replaced. Note that a physically damaged battery pack is a non-warranty replacement part.

  • Page 66: 1020 Expresscard Blank Bezel And Media Card Blank Bezel

    Removal steps of battery pack DANGER Use only the battery specified in the parts list for your computer. Any other battery could ignite or explode. Unlock the battery latch . Holding the battery lock lever in the unlocked position , remove the battery pack in the direction shown by arrow When installing: Install the battery pack along the slide rails of the slot.
  • Page 67 When installing: Make sure that the bezel is correctly oriented as shown in the following figure. Removal steps of Media Card blank bezel When you press the Media Card blank bezel , it pops out Chapter 8 Removing and replacing a FRU...

  • Page 68: 1030 Optical Drive Or Travel Cover

    When installing: Make sure that the bezel is correctly oriented as shown in the following figure. 1030 Optical drive or travel cover For access, remove this FRU: • “1010 Battery pack” on page 59 Hardware Maintenance Manual...

  • Page 69: 1040 Thermal Cover

    Removal steps of optical drive or travel cover Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 8 mm, flat-head, nylon-coated (1) (1.85 kgfcm) 1040 Thermal cover For access, remove this FRU: • “1010 Battery pack” on page 59 Removal steps of thermal cover Note: Loosen the screws , but do not remove them.

  • Page 70: 1050 Hard Disk Drive Or Solid State Drive Assembly

    Attention: Do not touch or apply any excessive force to the fan motor located in the slot. It might cause damage to the fan assembly or might cause the computer to malfunction. 1050 Hard disk drive or solid state drive assembly For access, remove these FRUs in order: •...
  • Page 71 Removal steps of HDD or SSD assembly When installing: Make sure that the HDD or SSD connector is attached firmly. When installing: • Do not apply excessive force to the HDD or SSD bracket . To do so, you might bend or break it. •...
  • Page 72 Removal steps of HDD or SSD bracket Step Screw (quantity) Color Torque M3 × 3.5 mm, flat-head (4) Silver 0.392 Nm (4 kgfcm) Hardware Maintenance Manual...

  • Page 73: 1060 Dimm

    1060 DIMM For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1040 Thermal cover” on page 63 Removal steps of DIMM Note: If only one DIMM is used on the computer you are servicing, the card must be installed in SLOT-0 : lower slot), but not in SLOT-1 ( : upper slot).
  • Page 74 Attention: • Do not handle the fan roughly. Improper handling of the fan can cause distortion or deformation and imperfect contact with components. • Do not touch or apply any excessive force to the fan motor. It might cause damage to the fan assembly or might cause the computer to malfunction.
  • Page 75 Table 8. Removal steps of fan assembly (continued) When installing: Before you attach the fan assembly to the computer, apply thermal grease, at an amount of 0.2 grams, on the parts marked as in the following figures. Either too much or too less application of grease can cause a thermal problem due to imperfect contact with a component.

  • Page 76: 1080 Cpu

    Table 8. Removal steps of fan assembly (continued) 1080 CPU For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1040 Thermal cover” on page 63 • “1070 Fan assembly” on page 67 Attention: The CPU is extremely sensitive. When you service the CPU, avoid any kind of rough handling. Removal steps of CPU Rotate the head of the screw in the direction shown by arrow to release the lock;...

  • Page 77: 1090 Sim Slot Cover

    When installing: Place the CPU above the CPU socket, and then rotate the head of the screw in the direction shown by arrow to secure the CPU. 1090 SIM slot cover For access, remove this FRU: • “1010 Battery pack” on page 59 Removal steps of SIM slot cover Note: Loosen the screw , but do not remove it.

  • Page 78: 1110 Wireless Wan Slot Cover And Pci Express Mini Card For Wireless Wan

    1110 Wireless WAN slot cover and PCI Express Mini Card for wireless For access, remove this FRU: • “1010 Battery pack” on page 59 Removal steps of wireless WAN slot cover and PCI Express Mini Card for wireless WAN Note: Loosen the screw , but do not remove it.

  • Page 79: 1110 Msata Solid State Drive

    In steps , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in the direction of the arrows. When installing: Plug the red cable into the jack labeled MAIN, and the blue cable into the jack labeled AUX on the card.
  • Page 80 • “1010 Battery pack” on page 59 Attention: • Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper handling can cause damage and permanent loss of data. • Before removing the drive, have the user make a backup copy of all the information on it if possible. •...

  • Page 81: 1120 Palm Rest Assembly With Cables

    Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) 1120 Palm rest assembly with cables For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1030 Optical drive or travel cover” on page 62 Chapter 8 Removing and replacing a FRU...
  • Page 82 Removal steps of palm rest assembly with cables When installing: Make sure all the screws have been fastened to secure the palm rest. Torque Step Screw (quantity) Color M2 × 8 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) M2 ×...
  • Page 83 When installing: Make sure that the speaker cable is not overlapped with the LCD cable connector. When installing: Attach the palm rest so that the two small projections of the palm rest firmly fit into the guide holes of the keyboard bezel, and them press the front side of the palm rest downward until it clicks into place.

  • Page 84: 1130 Pci Express Mini Card For Wireless Lan

    Note: In models with the fingerprint reader, the sensor is attached to the palm rest FRU. If the fingerprint reader is defective, you can remove the fingerprint reader by referring to step as shown in the following figure. When installing: Make sure that all the cables are attached firmly to the system board. 1130 PCI Express Mini Card for wireless LAN For access, remove these FRUs in order: •...

  • Page 85: Step Screw (Quantity)

    • “1030 Optical drive or travel cover” on page 62 • “1120 Palm rest assembly with cables” on page 75 Removal steps of PCI Express Mini Card for wireless LAN In step , unplug the jacks by using the removal tool antenna RF connector (P/N: 08K7159) or pick the connectors with your fingers and gently unplug them in the direction of the arrows.

  • Page 86: 1140 Backup Battery

    When installing: Plug the gray cable into the jack labeled MAIN, and the black cable into the jack labeled AUX on the card. 1140 Backup battery For access, remove these FRUs in order: • “1010 Battery pack” on page 59 •...

  • Page 87: 1160 Media Card Reader Slot Board And Media Card Reader Cable Assembly

    Removal steps of Bluetooth daughter card Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (1) (1.85 kgfcm) When installing: Make sure that the connector on bottom side of the card is attached firmly to the system board.
  • Page 88 Removal steps of Media Card Reader slot board and Media Card Reader cable assembly When installing: Make sure that the Media Card Reader cable assembly is attached firmly to the system board and the Media Card Reader slot board. Hardware Maintenance Manual...

  • Page 89: 1170 Keyboard

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (2) (1.85 kgfcm) 1170 Keyboard For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1030 Optical drive or travel cover” on page 62 •...
  • Page 90 When installing: Make sure all the connectors are attached firmly to the system board. Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) M2 × 2 mm, flat-head (1) Silver 0.181 Nm (1.85 kgfcm) When installing: Attach the keyboard so that the keyboard edges are under the frame as shown in the following figure.

  • Page 91: 1180 Keyboard Bezel

    “1130 PCI Express Mini Card for wireless LAN” on page 78 • “1170 Keyboard” on page 83 Removal steps of keyboard bezel Note: Steps are only for ThinkPad L520 models. For ThinkPad L420 and L421 models, skip steps Chapter 8 Removing and replacing a FRU...

  • Page 92: M2 × 3 Mm, Flat-Head, Nylon-Coated

    Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6.5 mm, flat-head, nylon-coated (2) (4 kgfcm) M2 × 3 mm, flat-head, nylon-coated (3) Black 0.181 Nm (1.85 kgfcm) M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) M2 ×...

  • Page 93: 1190 Lcd Unit

    1190 LCD unit For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1030 Optical drive or travel cover” on page 62 • “1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 72 •...
  • Page 94 Note: This step is only required for L520 models. When installing: • Make sure that the edge of the rectangular hole on the LCD cable is aligned with the edge of the boss. • Make sure that the speaker cable is not overlapped with the LCD cable connector. •...
  • Page 95 For ThinkPad L520 models: For ThinkPad L420 and L421 models: When installing: Make sure that the cables are attached to the cable guides firmly. Attention: When you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

  • Page 96: 2010 Top Shielding Assembly

    Step Screw (quantity) Color Torque Black 0.392 Nm M2.5 × 6.5 mm, flat-head, nylon-coated (4) (4 kgfcm) 2010 Top shielding assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1030 Optical drive or travel cover” on page 62 •...
  • Page 97 Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-headd, nylon-coated (3) (1.85 kgfcm) M2 × 5 mm, flat-head, nylon-coated (5) Black 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: Chapter 8 Removing and replacing a FRU...

  • Page 98: 2020 System Board Assembly

    Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (2) (1.85 kgfcm) Black 0.181 Nm M2 × 5 mm, flat-head, nylon-coated (3) (1.85 kgfcm) 2020 System board assembly Important notices for handling the system board: When handling the system board, bear the following in mind.

  • Page 99: 1030 Optical Drive Or Travel Cover

    “2010 Top shielding assembly” on page 90 Location of major sensitive components on the system board in ThinkPad L420, L421, and L520 models The following components soldered on the top side of the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling.
  • Page 100 For ThinkPad L520 models with an integrated thermal module (top side view): For ThinkPad L520 models with an integrated thermal module (bottom side view): For ThinkPad L420 and L421 models with a discrete thermal module (top side view): Hardware Maintenance Manual...
  • Page 101 For ThinkPad L420 and L421 models with a discrete thermal module (bottom side view): For ThinkPad L520 models with a discrete thermal module (top side view): For ThinkPad L520 models with a discrete thermal module (bottom side view): Chapter 8...
  • Page 102 Removal steps of system board assembly For ThinkPad L520 models: Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: Hardware Maintenance Manual...

  • Page 103: Color Torque Black 0.181 Nm

    M2 × 5 mm, flat-head, nylon-coated (2) (1.85 kgfcm) For ThinkPad L520 models: For ThinkPad L420 and L421 models: When installing: Make sure that the connectors are attached firmly to the system board. Chapter 8 Removing and replacing a FRU...

  • Page 104: 2030 Usb Connector Board And Usb Cable Assembly

    2030 USB connector board and USB cable assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1040 Thermal cover” on page 63 • “1050 Hard disk drive or solid state drive assembly” on page 64 •...

  • Page 105: 2040 Dc-In Cable And Base Cover

    For ThinkPad L420 and L421 models: 2040 DC-in cable and base cover For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1020 ExpressCard blank bezel and Media Card blank bezel” on page 60 •...
  • Page 106 Step Screw (quantity) Color Torque M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) For ThinkPad L420 and L421 models: Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylon-coated (1) Black 0.181 Nm (1.85 kgfcm) Cable routing: Route the cable as shown in the following figures.
  • Page 107 For ThinkPad L420 and L421 models: Applying labels to the base cover The new base cover FRU is shipped with a kit containing labels of several kinds. If the Windows Certificate of Authentication label (COA) is attached to a part that is replaced, return the old part with the label attached to the customer, or provide a letter to the customer stating what the label was originally on the system and what the label part number, serial number, and product key were.

  • Page 108: 2050 Lcd Front Bezel

    For the location of each label, refer to the following figures: For ThinkPad L520 models: For ThinkPad L420 and L421 models: 2050 LCD front bezel For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 72 •...

  • Page 109: 2060 Speaker Assembly

    Removal steps of LCD front bezel Torque Step Screw cap Screw (quantity) Color M2 × 5 mm, flat-head, nylon-coated (4) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that all the latches are attached firmly. Then secure the bezel with the screws. 2060 Speaker assembly For access, remove these FRUs in order: •...

  • Page 110: 2070 Integrated Camera

    Removal steps of speaker assembly Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (2) (1.85 kgfcm) 2070 Integrated camera For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 72 •...

  • Page 111: 2080 Antenna Assembly

    Removal steps of integrated camera Torque Step Screw (quantity) Color M2 × 3 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm) When installing: Make sure that the connector is attached firmly. 2080 Antenna assembly For access, remove these FRUs in order: •...
  • Page 112 For ThinkPad L420 and L421 models: When installing: Route the cables as shown in the following figure. When you route the cables, make sure that they are not subjected to any tension. Tension could cause the cables to be damaged by the cable guides, or a wire to be broken.

  • Page 113: 2090 Hinges, Lcd Panel, Lcd Cable, And Lcd Rear Cover Assembly

    2090 Hinges, LCD panel, LCD cable, and LCD rear cover assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 59 • “1110 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN” on page 72 •...
  • Page 114 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 5 mm, flat-head, nylon-coated (4) (1.85 kgfcm) For ThinkPad L420 and L421 models: Step Screw (quantity) Color Torque M2 × 5 mm, flat-head, nylon-coated (2) Black 0.181 Nm (1.85 kgfcm)
  • Page 115 Step Screw (quantity) Color Torque Black 0.181 Nm M2 × 3 mm, flat-head, nylon-coated (4) (1.85 kgfcm) When installing: Make sure that the LCD connector is attached firmly. Chapter 8 Removing and replacing a FRU...
  • Page 116 Hardware Maintenance Manual...

  • Page 117: Chapter 9. Locations

    Chapter 9. Locations This chapter presents the locations of ThinkPad L420, L421, and L520 hardware components. Front view Integrated camera Wireless radio switch Built-in microphone Power status indicators Built-in stereo speakers Fingerprint reader (for some models) Power switch Touch pad buttons...

  • Page 118: Rear View

    Rear view External monitor connector Combo audio jack DisplayPort connector Security keyhole eSATA/USB combo connector Always On USB connector RJ-45 (Ethernet) connector : In some models, the security keyhole is located on the right side of the computer. Bottom view Battery pack ExpressCard slot Battery pack latch...

  • Page 119: Chapter 10. Parts List

    CRU, Lenovo will ship the CRU to you. CRU information and replacement instructions are shipped with your product and are available from Lenovo at any time upon request. You may find a list of CRUs in the publications that ship with your product or at http://www.lenovo.com/CRUs. You may be required to return the defective part that is replaced by the CRU.

  • Page 120: Overall

    • FRUs marked with are available as options. Overall Hardware Maintenance Manual...
  • Page 121 Table 9. Parts list—Overall No. FRU (Overall) FRU no. LCD unit (see “LCD FRUs” on page 137.) Keyboard bezel assembly for 14W 04W1813 Keyboard bezel assembly for 15W 04W1814 Top shielding assembly for 14W Dock 04W1766 Top shielding assembly for 15W Dock 04W1767 55Y3715 1-GB DDR3-1333 SDRAM SO-DIMM (PC3-10600) card...
  • Page 122 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 55Y3717 4-GB DDR3-1333 SDRAM SO-DIMM (PC3-10600) card • 7826-CTO, 39x, 3Ax, 3Bx, 49x • 7827-CTO, 33x, 45x, 46x, 4Cx, 4Hx, 4Kx, 4Mx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 5Rx, 5Wx, 5Xx, 66x, 6Bx •...
  • Page 123 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 42T4921 Battery pack, 6 cell Li-ion (2.2 Ah) • 7826-CTO, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx 42T4923 • 7827-CTO, 4Cx, 4Dx, 4Ex, 4Fx, 5Ax, 5Bx, 6Bx 42T4925 •...
  • Page 124 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 42T4817 Battery pack, 6 cell Li-ion (10.4 Wh) • 7826-CTO 42T4819 • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO •...
  • Page 125 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1740 Base cover assembly for 15W Dock, ROW • 5015-CTO, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex • 5016-CTO, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx, 4Mx, 4Nx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Fx, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Qx, 5Rx, 5Sx, 5Tx, 5Vx, 5Wx, 5Xx, 5Yx, 5Zx, 62x, 63x, 64x, 65x, 66x, 67x...
  • Page 126 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 4Lx, 4Mx, 4Nx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 55x, 56x, 57x, 58x, 59x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx, 5Mx, 5Nx, 5Px, 5Qx, 5Rx, 5Sx, 5Tx, 5Ux, 5Vx, 5Wx, 5Xx, 5Yx, 5Zx, 63x, 64x, 65x, 66x, 68x, 69x, 6Ax, 6Bx, 6Cx, 6Dx, 6Ex, 6Fx, 6Gx, 6Hx, 6Jx, 6Kx, 6Lx •...
  • Page 127 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1290 SATA hard disk drive, 160 GB, 7,200 rpm, 7mmH • 7826-CTO 04W1293 • 7827-CTO 75Y5195 • 7829-CTO 75Y5285 • 7853-CTO 75Y5297 75Y5307 • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO •...
  • Page 128 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 41W0779 SATA hard disk drive, 320 GB, 5,400 rpm • 7826-CTO, 34x, 42x, 43x, 45x, 46x, 47x, 4Ax, 4Bx 41W0787 • 7827-CTO, 4Lx, 5Cx, 5Jx, 5Rx, 67x, 6Bx 75Y5045 • 7829-CTO, 49x, 4Yx, 4Zx, 53x, 54x, 55x, 58x, 59x, 5Ax, 5Bx, 5Cx 75Y5035 •...
  • Page 129 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1291 SATA hard disk drive, 320 GB, 7,200 rpm, 7mmH • 7826-CTO, 3Cx, 3Dx, 3Ex, 3Nx, 3Px, 3Qx, 3Rx, 3Xx, 3Yx 04W1294 • 7827-CTO, 32x, 33x, 34x, 43x, 44x, 48x, 49x, 4Dx, 4Ex, 4Fx, 4Jx, 4Nx, 4Qx, 4Rx, 4Sx, 75Y5197 4Vx, 4Wx, 4Yx, 4Zx, 54x, 57x, 5Ax, 5Bx, 5Ex, 5Fx, 5Hx, 5Tx, 5Vx, 5Wx, 5Xx, 5Yx, 5Zx, 66x 75Y5287...
  • Page 130 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1309 SATA hard disk drive, 750 GB, 5,400 rpm • 7826-CTO • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO •...
  • Page 131 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. Hard disk drive tray 04W0633 • 7826-CTO • 7827-CTO, 6Ax • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO • 7860-CTO 60Y3257 Sierrawireless Gobi-3000 Wireless WAN card, WW SKU •...
  • Page 132 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 60Y3267 Ericsson F5521gw Wireless WAN card for Malaysia SKU • 7826-CTO • 7827-CTO, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 5Ax, 5Bx • 7829-CTO, 4Wx, 4Xx • 7853-CTO • 7854-CTO, 42x, 43x, 4Ux, 5Ax, 5Cx, 5Hx, 5Lx •...
  • Page 133 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W2145 mSATA solid state drive spacer • 7826-CTO, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x •...
  • Page 134 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. ® ® 60Y3253 Intel Centrino Advanced-N 6205 • 7826-CTO, 32x, 33x, 37x, 38x, 39x, 3Ax, 3Bx, 3Fx, 3Gx, 3Sx, 3Tx • 7827-CTO, 33x, 34x, 42x, 43x, 44x, 49x, 4Ax, 4Bx, 4Gx, 4Hx, 4Kx, 4Mx, 4Nx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 4Xx, 4Yx, 4Zx, 52x, 53x, 54x, 5Ax, 5Bx, 5Cx, 5Dx, 5Ex, 5Fx, 5Qx, 5Tx, 5Wx, 5Xx, 66x, 6Ax •...
  • Page 135 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 60Y3209 Intel Centrino Advanced-N + WiMAX 6250, Russia SKU • 7826-CTO • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO • 5017-CTO • 5019-CTO • 7859-CTO •...
  • Page 136 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W0495 CPU assembly, Intel Core™ i3-2310M Processor (2.10 GHz) • 7826-CTO, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Wx, 3Xx, 3Yx, 4Ax • 7827-CTO, 5Vx, 5Xx, 5Yx, 69x • 7829-CTO, 4Cx, 4Vx •...
  • Page 137 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. • 7859-CTO, 32x, 36x, 37x, 3Fx, 3Hx, 3Kx, 3Mx, 3Nx, 3Px, 3Vx, 3Wx, 3Xx, 4Cx, 4Dx, 4Gx, 4Mx, 4Qx, 4Rx, 4Sx, 4Tx, 4Zx, 52x, 57x, 58x, 5Ax, 5Dx • 7860-CTO, 32x, 36x, 37x, 39x, 3Ax, 3Cx, 3Kx, 3Lx, 3Rx 04W1893 CPU assembly, Intel Core i5-2430M Processor (2.40 GHz) J1 •...
  • Page 138 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W0494 CPU assembly, Intel Core i7-2620M Processor (2.70 GHz) • 7826-CTO, 39x • 7827-CTO, 4Cx, 4Hx, 4Kx, 4Px, 4Qx, 4Ux, 4Vx, 5Ax • 7829-CTO, 4Ex, 4Fx, 4Gx, 4Hx, 4Nx, 4Px, 4Wx •...
  • Page 139 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W1896 CPU assembly, Intel Celeron B810 Processor (1.6 GHz), Q0 • 7826-CTO, 42x, 43x • 7827-CTO, 68x • 7829-CTO • 7853-CTO • 7854-CTO • 7856-CTO • 5015-CTO • 5016-CTO, 64x •...
  • Page 140 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 04W4095 CPU assembly, Intel Core i5-2450M (2.50GHz) • 7826-CTO • 7827-CTO • 7829-CTO, 55x, 57x, 5Bx, 5Cx • 7853-CTO • 7854-CTO, 5Hx, 5Jx, 5Lx • 7856-CTO • 5015-CTO • 5016-CTO •...
  • Page 141 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 63Y1802 System board assembly, HM65 14W non-docking, non-TPM, AUO4, without wireless WAN • 7826-CTO, 44x • 7827-CTO • 7829-CTO • 7853-CTO • 7854-CTO, 3Jx, 3Kx, 3Px, 3Qx, 4Nx, 4Tx • 7856-CTO, 3Kx 63Y1803 System board assembly, HM65 + AMD 1GB 14W non-docking, TPM, AUO4, without wireless •...
  • Page 142 Table 9. Parts list—Overall (continued) No. FRU (Overall) FRU no. 63Y1808 System board assembly, HM65 integrated 15W Dock, non-TPM, AUO4, with wireless WAN • 5015-CTO • 5016-CTO, 4Hx, 4Jx • 5017-CTO • 5019-CTO • 7859-CTO, 3Dx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 4Qx, 4Rx, 4Vx •...

  • Page 143: Lcd Frus

    04W1465 LCD FRUs In ThinkPad L420, L421, and L520, there are following types of LCDs. • 14.0-inch HD LED-backlight LCD (Table 10 “Parts list—14.0-inch HD LCD” on page 139) • 15.6-inch HD LED-backlight LCD (Table 11 “Parts list—15.6-inch HD LCD” on page 140) •...
  • Page 144 Hardware Maintenance Manual...
  • Page 145 Table 10. Parts list—14.0-inch HD LCD No. FRU (14.0-inch HD LCD) FRU no. 04W1735 N LCD front bezel for 14W Integrated camera with microphone (1M) 04W0442 • 7826-CTO, 32x, 33x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 04W0443 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 42x, 43x, 04W0444...
  • Page 146 Table 10. Parts list—14.0-inch HD LCD (continued) No. FRU (14.0-inch HD LCD) FRU no. • 7856-CTO, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux, 3Vx, 3Wx, 3Xx, 3Yx, 3Zx, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Cx, 4Dx, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx Wireless LAN antenna set 14W 04W1724 N...
  • Page 147 Table 11. Parts list—15.6-inch HD LCD (continued) No. FRU (15.6-inch HD LCD) FRU no. CRU ID 5Vx, 5Wx, 5Xx, 5Yx, 5Zx, 63x, 64x, 65x, 66x, 67x, 68x, 69x, 6Ax, 6Cx, 6Dx, 6Ex, 6Fx, 6Gx, 6Hx, 6Jx, 6Kx • 7860-CTO, 32x, 35x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Dx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Kx, 3Lx, 3Mx, 3Nx, 3Px, 3Qx, 3Rx, 3Sx, 3Tx, 3Ux 04W0424 LCD module, 15.6-inch HD anti-glare...

  • Page 148: Keyboard

    Table 12. Parts list—15.6-inch HD+ LCD (continued) No. FRU (15.6-inch HD+ LCD) FRU no. 04W1730 N LCD cable, HD + Teflon 15W • 5015-CTO • 5016-CTO, 45x, 46x, 47x, 4Fx, 4Gx, 4Hx, 4Kx, 4Mx, 4Nx, 4Px, 4Qx, 4Tx, 4Ux, 4Vx, 4Wx, 5Jx, 5Kx, 5Lx, 5Zx •...

  • Page 149: Miscellaneous Parts

    Table 13. Parts list—Keyboard (continued) Language FRU no. Italian 45N2300 45N2370 45N2440 Japanese 45N2314 45N2384 45N2454 Korean 45N2315 45N2385 45N2455 Latin American Spanish 45N2286 45N2356 45N2426 Norwegian 45N2303 45N2373 45N2443 Polish 45N2304 45N2374 45N2444 Portuguese 45N2305 45N2375 45N2445 Russian 45N2306 45N2376 45N2446 Slovak...
  • Page 150 • Eject sheet • USB gascket LCD miscellaneous parts: • Heat spreader for camera • ThinkPad logo • Lenovo logo • Label (camera) • Label (no camera) • Label (LED) • Tape cable fix (10 × 38) • LCD latch R •...

  • Page 151: Ac Power Adapters

    Table 15. Parts list—Miscellaneous parts (continued) FRU no. • Alpet sheet for LCD • Gasket for LCD • Screw cap, thin • Screw cap, square Note: Italicized letter in parentheses is reference to the exploded view in “LCD FRUs” on page 137. ac power adapters Table 16.

  • Page 152: Recovery Discs

    Table 18. Parts list—2-pin power cords FRU no. Country or region Argentina 42T5020 42T5105 • models -CTO, xxY Brazil 42T5180 42T5183 • models -CTO, xxP Canada, U.S. 42T5008 42T5093 • models -CTO, xxF, xxL, xxS, xxU Japan 42T5014 42T5099 • models -CTO, xxE, xxJ Table 19.

  • Page 153: Windows Vista Business (32 Bit) Dvds

    limitation, if a model came with Windows XP Professional preinstalled from the factory, but has either a Windows 7 or Windows Vista COA affixed to the system, that model is eligible only for recovery DVDs that match the operating system specified on the COA. Windows XP Professional is preinstalled as the operating system in the following models: •...

  • Page 154: Windows Vista Home Basic (32 Bit) Dvds

    Table 21. Parts list—Windows Vista Business (32 bit) recovery DVDs Language 04T1760 US English Windows Vista Home Basic (32 bit) DVDs Note: The Windows Vista recovery DVDs are available only for models with a valid Microsoft Windows Vista certificate of authenticity (COA) affixed to the system. Due to a Microsoft licensing limitation, if a model came with Windows Vista Business or Windows Vista Ultimate preinstalled from the factory, but has a Windows 7 COA affixed to the system, that model is eligible only for recovery DVDs that match the operating system specified on the COA.

  • Page 155: Windows 7 Home Basic (64 Bit) Dvds

    Table 23. Parts list—Windows 7 Home Basic (32 bit) recovery DVDs Language Arabic 04T3520 Brazil Portuguese 04T3521 French 04T3524 Indian English 04T3523 Portuguese 04T3525 04T3527 Serbian-Latin Simplified Chinese 04T3522 04T3526 Spanish Turkish 04T3528 US English 04T3529 Windows 7 Home Basic (64 bit) DVDs Windows 7 Home Basic (64 bit) is preinstalled as the operating system in the following models: •...

  • Page 156: Windows 7 Home Premium (64 Bit) Dvds

    Table 25. Parts list—Windows 7 Home Premium (32 bit) recovery DVDs Language Indian English 04T3531 Simplified Chinese 04T3530 US English 04T3532 Windows 7 Home Premium (64 bit) DVDs Windows 7 Home Premium (64 bit) is preinstalled as the operating system in the following models: •...

  • Page 157: Windows 7 Professional (32 Bit) Dvds

    Table 26. Parts list—Windows 7 Home Premium (64 bit) recovery DVDs (continued) Language 04T3551 Slovak Spanish 04T3552 04T3537 Traditional Chinese Traditional Chinese (for Hong Kong S.A.R.) 04T3543 Turkish 04T3554 04T3556 US English US English disable 04T3555 Windows 7 Professional (32 bit) DVDs Windows 7 Professional (32 bit) is preinstalled as the operating system in the following models: •...
  • Page 158 • 7829-CTO, 32x, 33x, 34x, 42x, 43x, 44x, 45x, 46x, 47x, 48x, 49x, 4Ax, 4Bx, 4Dx, 4Ex, 4Fx, 4Gx, 4Hx, 4Jx, 4Kx, 4Lx, 4Mx, 4Vx, 4Wx, 4Xx, 4Yx, 4Zx, 53x, 54x, 55x, 56x, 57x, 59x, 5Bx, 5Dx • 7853-CTO • 7854-CTO, 32x, 33x, 34x, 35x, 36x, 37x, 38x, 39x, 3Ax, 3Bx, 3Cx, 3Ex, 3Fx, 3Gx, 3Hx, 3Jx, 3Lx, 3Nx, 3Px, 3Sx, 3Tx, 3Xx, 3Yx, 3Zx, 42x, 43x, 44x, 45x, 46x, 4Gx, 4Hx, 4Kx, 4Lx, 4Mx, 4Nx, 4Px, 4Qx, 4Rx, 4Sx, 4Tx, 4Ux, 4Vx, 4Wx, 5Ax, 5Cx, 5Dx, 5Ex, 5Fx, 5Gx, 5Hx, 5Jx, 5Kx, 5Lx •...

  • Page 159: Windows 7 Starter (32 Bit) Dvds

    Table 28. Parts list—Windows 7 Professional (64 bit) recovery DVDs (continued) Language 04T3508 Spanish Traditional Chinese 04T3492 04T3499 Traditional Chinese (for Hong Kong S.A.R.) Turkish 04T3510 US English 04T3512 04T3511 US English disable Windows 7 Starter (32 bit) DVDs Windows 7 Starter (32 bit) is preinstalled as the operating system in the following models: •...

  • Page 160: Windows 7 Ultimate (64 Bit) Dvds

    USB floppy diskette drive for maintenance diskette 05K9283 27L3452 USB floppy diskette drive tool kit Test card for integrated Smart Card 42W7820 — LENOVO ThinkPad Hardware Maintenance Diskette Version 1.76 or later Note: Download the file from the following Web site: http://www.lenovo.com/support Hardware Maintenance Manual...

  • Page 161: Appendix A. Notices

    Lenovo representative for information on the products and services currently available in your area. Any reference to a Lenovo product, program, or service is not intended to state or imply that only that Lenovo product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any Lenovo intellectual property right may be used instead.

  • Page 162: Electronic Emissions Notices

    Electronic emissions notices For electronic emission information on Class B digital devices, refer to the corresponding information in the User Guide. Trademarks The following terms are trademarks of Lenovo in the United States, other countries or both: Active Protection System Lenovo ThinkPad...
  • Page 164 Part Number: 0A60342_05 (1P) P/N: 0A60342_05 *0A60342_05*...

This manual is also suitable for:

Thinkpad l421Thinkpad l520Thinkpad l421, thinkpad l520

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