Dell Latitude 2120 Service Manual
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Dell Latitude 2120 Service Manual

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See also: Setup and Features Information
Dell Latitude 2120 Service Manual
Working on Your Computer
Removing and Replacing Parts
System Setup
Diagnostics
 Notes, Cautions, and Warnings
NOTE:
A NOTE indicates important information that helps you make better use of your computer.
CAUTION:
A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
WARNING:
A WARNING indicates a potential for property damage, personal injury, or death.
If you purchased a Dell n Series computer, any references in this document to Microsoft Windows operating systems are not applicable.
Information in this document is subject to change without notice.
© 2010 Dell Inc. All rights reserved.
Reproduction of this material in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell™, the DELL™ logo, and Latitude™ are trademarks of Dell Inc. Intel®, Core™, and SpeedStep® are either
trademarks or registered trademarks of Intel Corporation. Microsoft®, Windows®, Windows Vista®, and the Windows Vista start button are either
trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. Bluetooth® is a registered trademark
of Bluetooth SIG, Inc.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
June 2010     Rev. A00

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Summary of Contents for Dell Latitude 2120

  • Page 1 Bluetooth SIG, Inc. Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and trade names other than its own.

  • Page 2: Removing The Battery

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Battery NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 3: Replacing The Battery

    Replacing the Battery To replace the battery, perform the above steps in reverse order. Back to Contents Page...

  • Page 4: Removing The Keyboard

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Keyboard NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 5 5. Starting in the top left corner of the keyboard, lift the keyboard up, and then flip the keyboard. 6. Disconnect the keyboard data cable and remove the keyboard from the computer.

  • Page 6: Replacing The Keyboard

    Replacing the Keyboard To replace the keyboard, perform the above steps in reverse order. Back to Contents Page...

  • Page 7: Removing The Access Panel

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Access Panel NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 8: Replacing The Access Panel

    6. Starting near the hinges, lift the access panel and remove it from the computer. Replacing the Access Panel To replace the access panel, perform the above steps in reverse order. Back to Contents Page...

  • Page 9: Removing The Memory Modules

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Memory Modules NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 10: Replacing The Memory Modules

    Replacing the Memory Modules To replace the memory modules, insert the memory module in the memory slot at an angle, then press down the memory module to snap the memory module in place. Back to Contents Page...

  • Page 11: Removing The Coin-Cell Battery

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Coin-Cell Battery NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 12: Replacing The Coin-Cell Battery

    Replacing the Coin-Cell Battery To replace the coin-cell battery, perform the above steps in reverse order. Back to Contents Page...

  • Page 13: Removing The Wlan Card

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the WLAN Card NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 14: Replacing The Wlan Card

    7. Remove the WLAN card from the computer. Replacing the WLAN Card To replace the WLAN card, perform the above steps in reverse order. Back to Contents Page...

  • Page 15: Removing The Wwan Card

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the WWAN Card NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 16 7. Remove the WWAN card from the computer. Replacing the WWAN Card To replace the WWAN card, perform the above steps in reverse order. Back to Contents Page...
  • Page 17 Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hard Drive/Hard-Drive Brackets NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 18 7. Lift the hard drive up to remove it from the computer. 8. Remove the hard-drive bracket screws from both sides of the hard drive.
  • Page 19 9. Remove the hard-drive bracket from the hard drive. Replacing the Hard Drive/Hard-Drive Brackets To replace the hard drive/hard-drive brackets, perform the above steps in reverse order. Back to Contents Page...

  • Page 20: Removing The Heatsink

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Heatsink NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 21 7. Loosen the captive screws on the heat sink. 8. Lift the heat sink up to remove it from the computer.

  • Page 22: Replacing The Heat Sink

    Replacing the Heatsink To replace the heatsink, perform the above steps in reverse order. Back to Contents Page...

  • Page 23: Removing The Dc Power Cable

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the DC Power Cable NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 24: Replacing The Dc Power Cable

    7. Lift up to remove the DC power cable from the computer. Replacing the DC Power Cable To replace the DC power cable, perform the above steps in reverse order. Back to Contents Page...

  • Page 25: Removing The Display Assembly

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Assembly NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 26 7. Disconnect the display data cable from the system board. 8. Remove the screws that secure the display assembly.

  • Page 27: Replacing The Display Assembly

    9. Remove the display assembly by sliding it toward the base of the computer. Replacing the Display Assembly To replace the display assembly, perform the above steps in reverse order. Back to Contents Page...

  • Page 28: Removing The Display Bezel

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Bezel NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 29: Replacing The Display Bezel

    8. Starting at the bottom of the display bezel, disengage the display bezel from the display assembly, and then remove the display bezel. Replacing the Display Bezel To replace the display bezel, perform the above steps in reverse order. Back to Contents Page...

  • Page 30: Removing The Display-Hinge Covers

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display-Hinge Covers NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 31: Removing The Camera

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Camera NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 32 9. Remove the screws that secure the camera to the display assembly. 10. Lift the camera module up to remove it from the display assembly.

  • Page 33: Replacing The Camera

    Replacing the Camera To replace the camera, perform the above steps in reverse order. Back to Contents Page...

  • Page 34: Removing The Display Panel/Bracket

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Panel/Bracket NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 35 9. Remove the display data cable from the display panel. 10. Remove the display panel from the display assembly.

  • Page 36: Replacing The Display Panel/Bracket

    11. Remove the screws that secure the display bracket, and then remove the display bracket from the display assembly. Replacing the Display Panel/Bracket To replace the display panel/bracket, perform the above steps in reverse order. Back to Contents Page...

  • Page 37: Removing The Display Cable

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Cable NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 38: Replacing The Display Cable

    10. Remove the display cable from the display assembly. Replacing the Display Cable To replace the display cable, perform the above steps in reverse order. Back to Contents Page...

  • Page 39: Removing The Display Hinges

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Display Hinges NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 40: Replacing The Display Hinges

    Replacing the Display Hinges To replace the display hinges, perform the above steps in reverse order. Back to Contents Page...
  • Page 41 Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the System Board/Bluetooth Module NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 42 12. Starting from the side where the USB ports are located, lift up the system board and remove the system board. 13. Disconnect the Bluetooth module cable from the system board.
  • Page 43 14. Remove the screw that secures the Bluetooth module to the system board. 15. Remove the Bluetooth module from the system board.
  • Page 44 Replacing the System Board/Bluetooth Module To replace the system board/Bluetooth module, perform the above steps in reverse order. Back to Contents Page...

  • Page 45: Secure Digital (Sd) Card

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the SD Card NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 46: Replacing The Sd Card

    Replacing the SD Card To replace the SD Card, perform the above steps in reverse order. Back to Contents Page...

  • Page 47: Removing The Sim Card

    Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the SIM Card NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.

  • Page 48: Replacing The Sim Card

    Replacing the SIM Card To replace the SIM Card, perform the above steps in reverse order. Back to Contents Page...
  • Page 49 Dell Latitude 2120 Service Manual WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Hard Drive Accelerator Card NOTE: You may need to install Adobe Flash Player from Adobe.com in order to view the illustrations below.
  • Page 50 7. Remove the hard drive accelerator card metal bracket from the card. Replacing the Hard Drive Accelerator Card To replace the hard drive accelerator card, perform the above steps in reverse order. Back to Contents Page...

  • Page 51: Entering System Setup

    Change the boot sequence without changing the boot sequence permanently in the system setup To access the Boot menu: 1. Turn on (or restart) your computer. 2. When the blue DELL logo is displayed, press <F12> immediately. Navigation Keystrokes Use the following keystrokes to navigate the System Setup screens:...

  • Page 52: Security

    Memory Technology ¡ DIMM A Size ¡ Processor Information System Processor Type ¡ Information Core Count ¡ Processor ID ¡ Current Clock Speed ¡ Device Information Primary Hard Drive ¡ Video Controller ¡ Video BIOS Version ¡ Video Memory ¡ Panel Type ¡...

  • Page 53: Performance

    NOTE: Successful password changes take effect immediately. This field lets you set, change, or delete the password on the system's internal hard disk drive (HDD). Successful changes take place Internal HDD immediately and require a system restart. The HDD password travels with the hard drive, so the HDD is protected even when installed in Password another system.
  • Page 54 Allows you to view and clear BIOS POST events. It includes the date and time of the event as well as the LED code. DellDiag Allows you to view the diagnostic results from Dell Diagnostics and PSA. It includes the time and date, the diagnostic and version which was Events run and the resulting code.

  • Page 55: Led Error Codes

    If the computer is connected to an electrical outlet, the battery light operates as follows: Alternately blinking amber light and blue light — An unauthenticated or unsupported non-Dell AC adapter is attached to your laptop. Alternately blinking amber light with steady blue light — Temporary battery failure with AC adapter present.
  • Page 56 1. Reseat the LCD cable. 2. Replace the LCD panel. LCD panel error 3. Replace the video card/system board. OFF-FLASH-OFF 1. Install compatible memory modules. 2. If two modules are installed, remove one and test. Try the other module in the same slot and test. Test the other slot with both modules.

  • Page 57: Adding And Replacing Parts

    Back to Contents Page Adding and Replacing Parts Dell Latitude 2120 Service Manual   Secure Digital Card   Battery   SIM Card   Keyboard   Access Panel   Memory   Coin-Cell Battery   WLAN Card   WWAN Card   Hard Drive Accelerator Card   Heatsink   Hard Drive/Hard-Drive Bracket   DC Power Cable   Display Assembly...

  • Page 58: Specifications

    Back to Contents Page   Specifications   System Information   Processor   Memory   Video   Audio   Communications   Ports and Connectors   Drives   Display   Keyboard   Touchpad   Battery   AC Adapter   Environmental   Physical NOTE: Offerings may vary by region. For more information regarding the configuration of your computer, click Start® Help and Support and select the option to view information about your computer.
  • Page 59 Hard drive 2.5" SATA 2 HDD Display  Type WSVGA (1024 x 600 pixels) and HD (1366 x 768 pixels), high definition, anti glare (AG), white light- emitting diode (WLED) Size 10.1 inches Active area (X/Y)   WSVGA 222.72 mm x 125.28 mm (8.76 inches x 4.93 inches) 222.73 mm x 125.22 mm (8.76 inches x 4.93 inches) Dimensions Height...
  • Page 60 Storage –40 °C to ~65 °C (–40 °F to ~149 °F) Coin-cell battery 3 V CR2032 lithium coin cell AC Adapter  Input voltage 100 VAC–240 VAC Input current (maximum) 1.5 A Input frequency 50 Hz–60 Hz Output power 65 W Output current 4.34 A (maximum at 4-second pulse) 3.34 A (continuous) Depth 66.00 mm (2.59 inches) Height...

  • Page 61: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 62: After Working Inside Your Computer

    After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers.

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