This guide addresses only those items. You should use good judgment to identify potential safety hazards due to attachment of non-Lenovo features or options not covered by this inspection guide.
4. Check for cracked or bulging batteries. 5. Remove the cover. 6. Check for any obvious non-Lenovo alterations. Use good judgment as to the safety of any non-Lenovo alterations. 7. Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage.
Grounding requirements Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Safety notices (multilingual translations) The safety notices in this section are provided in the following languages: •...
• Damage caused by the improper insertion of a personal-computer card (PC card) or the installation of an incompatible card • Improper disc insertion or use of an external optical drive • Fuses blown by attachment of a non-supported device •...
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Table 2. FRU (CRU) categories FRU (CRU) category LCD module Note: The LCD module as a whole is not an FRU. It contains FRUs as its components. Strip Cover Upper case (with keyboard and touchpad) Fingerprint board Fingerprint board cable System board DC-in bracket CMOS battery...
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Figure 2. ThinkBook 16p G2 ACH LCD module — exploded view Table 3. FRU categories for the LCD module FRU (CRU) category LCD bezel LCD panel Camera privacy shutter Microphone rubbers Camera sponges Ambient light sensor (ALS) board Ambient light sensor (ALS) board cable Hinge cover Camera foil LCD sponge...
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Table 3. FRU categories for the LCD module (continued) EDP cable Camera Camera rubber Hardware Maintenance Manual...
Chapter 4. Removing a FRU or CRU Service tools The following table lists tools for servicing Lenovo computers. Tools with a cross mark are needed for serving the product models as described by this publication. Prepare them before you service the product.
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3. Follow the correct sequence in the steps for removing an FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing an FRU, move it in the direction as shown by the arrow in the illustration. 5.
Removal procedure Remove the lower case Make sure the computer has been shut down before servicing the computer. Step 1. Place the computer upside down on a flat surface. Step 2. Remove eight screws. Figure 3. Remove eight screws Screw specifications Number of screws M2.0 x L6.0 Step 3.
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Lower case Remove the solid-state drive (SSD) module Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 29 Step 1.
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Note: The SSD Cu foil mylar is not reusable. Replace it when replacing related FRUs. Figure 10. Peel off the SSD Cu foil mylar Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Chapter 4 Removing a FRU or CRU...
Figure 11. Remove the battery pack Screw specifications Number of screws M2.0 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Battery pack Remove the Wi-Fi card Make sure the following FRU (or CRU) has been removed.
Figure 12. Remove the Wi-Fi card Screw specifications Number of screws M2.0 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Wi-Fi card Remove the DC-in bracket Make sure the following FRU (or CRU) has been removed.
Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: DC-in bracket Remove the memory module mylar Make sure the following FRU (or CRU) has been removed. “Remove the lower case” on page 29 Step 1.
Release the two latches on both edges of the socket at the same time. Then, remove the memory module. Figure 16. Remove the memory module Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Memory module Memory module shielding Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.
Figure 17. Loosen six screws and then remove the heat sink. Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Heat sink Remove the fans Make sure the following FRUs (or CRUs) have been removed.
Number of screws Screw specifications M2.0 x L3.5 Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Solid-state drive (SSD) bracket Remove the USB board module Make sure the following FRUs (or CRUs) have been removed.
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Step 2. Disconnect the cable connected to the USB board and disconnect the USB board cable from the system board. Figure 20. Disconnect the cable connected to the USB board and disconnect the USB board cable Step 3. Remove one screw and then remove the USB board with cable. Figure 21.
Disconnect the CMOS battery cable from the system board and then remove the CMOS battery. Figure 23. Disconnect the CMOS battery cable and remove the CMOS battery Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part:...
Figure 24. Remove the speakers Screw specifications Number of screws M1.6 x L2.0 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Speakers Remove the touchpad board cable Make sure the following FRUs (or CRUs) have been removed.
Remove the system board Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the solid-state drive (SSD) module” on page 30 “Remove the battery pack” on page 32 “Remove the Wi-Fi card” on page 32 “Remove the DC-in bracket”...
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Figure 26. Disconnect cables Step 2. Remove two screws and then remove the system board. Hardware Maintenance Manual...
Figure 27. Remove the system board Screw specifications Number of screws M2.0 x L3.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: System board Use a Golden Key U1 tool to flash-write key id information...
Separate the fingerprint board cable from the fingerprint board Figure 29. Separate the fingerprint board cable from the fingerprint board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Fingerprint board Fingerprint board cable Remove the hall sensor board module Make sure the following FRUs (or CRUs) have been removed.
Separate the hall sensor board cable from the hall sensor board Figure 31. Separate the hall sensor board cable from the hall sensor board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Hall sensor board...
Figure 32. Remove the keyboard cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Keyboard cable Remove the connector board module Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 29 “Remove the battery pack”...
Step 3. Separate the keyboard backlight cable from the connector board Figure 35. Separate the keyboard backlight cable from the connector board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Connector board Keyboard backlight cable Remove the strip cover Make sure the following FRUs (CRUs) have been removed.
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Step 1. Peel off two pieces of mylar. Disconnect the keyboard backlight cable from the connector board and then remove the keyboard backlight cable. Figure 36. Remove the keyboard backlight cable Step 2. Peel back the touchpad board mylar and then remove two screws. Figure 37.
Figure 38. Remove the strip cover Screw specifications Number of screws M1.6 x L1.5 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Strip cover Remove the LCD module Make sure the following FRUs (CRUs) have been removed.
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Figure 39. Remove six screws Screw specifications Number of screws M2.5 x L5.0 Step 2. Remove two screws and then lift the LCD module. Figure 40. Lift the LCD module Screw specifications Number of screws M2.5 x L2.3 Step 3. Take out the EDP cable and then remove the LCD module.
“Remove the connector board module” on page 46 “Remove the strip cover” on page 47 “Remove the LCD module” on page 49 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Chapter 4 Removing a FRU or CRU...
Remove the LCD bezel carefully. Note: The LCD bezel is fragile and should be replaced if damaged. Figure 42. Remove the LCD bezel Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD bezel Remove the hinge cover Make sure the following FRUs (CRUs) have been removed.
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Figure 43. Remove the hinge cover Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Hinge cover Remove the LCD panel Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 49 “Remove the LCD bezel”...
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Lift the LCD panel slightly. Peel off the tape. Disconnect the EDP cable from the LCD panel and then remove the LCD panel. Figure 45. Disconnect the EDP cable and remove the LCD panel Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: LCD panel Removable tape Remove the EDP cable Make sure the following FRUs (CRUs) have been removed.
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Figure 46. Remove the EDP cable Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: EDP cable Remove the ambient light sensor (ALS) board cable Make sure the following unit has been removed. “Remove the LCD module” on page 49 “Remove the LCD bezel”...
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Step 1. Remove the camera privacy shutter Figure 48. Remove the camera privacy shutter Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Camera privacy shutter Remove the ambient light sensor (ALS) board module Make sure the following FRUs (CRUs) have been removed.
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Disconnect the ambient light sensor (ALS) board cable from the ALS board and then remove the ALS board. Figure 50. Remove the ambient light sensor (ALS) board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Ambient light sensor (ALS) board rubber...
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Figure 51. Remove the microphone rubbers Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Microphone rubbers Remove the camera sponges Make sure the following FRUs (CRUs) have been removed. “Remove the LCD module” on page 49 “Remove the LCD bezel”...
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Disconnect the camera cable from the camera board and then remove the camera. Figure 53. Remove the camera Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement part: Camera Remove the foil and LCD sponge Make sure the following FRUs (CRUs) have been removed.
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Remove the camera rubber. Note: The camera rubber is not reusable. Replace it when replacing related FRUs. Figure 55. Remove the camera rubber Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: Camera rubber...
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“Remove the camera” on page 59 “Remove the foil and LCD sponge” on page 59 “Remove the camera rubber” on page 60 Go to to look up the Lenovo part number of the following replacement https://support.lenovo.com/partslookup part: LCD cover Chapter 4...