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: •...
• Check for obvious damage to a hard disk drive. If the spindle of a hard disk drive becomes noisy, the hard disk drive might have been dropped or subject to excessive force. CRU list Type ac power adapter self-service power cord self-service Lenovo Digital Pen self-service 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.
3. Follow the correct sequence in the steps for removing a FRU, as shown in the illustrations by the numbers in square callouts. 4. When removing a FRU, move it in the direction as shown by the arrow in the illustration. 5.
Figure 2. Area on the heat sink where thermal interface materials should be applied Area on the system board where thermal interface materials is applied The following figure shows the area on the system board where thermal interface materials is applied. Figure 3.
M2 × L4 2 ± 0.2 kgf-cm M2 × L7.5 2 ± 0.2 kgf-cm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lower case Remove the lower case (for 16–inch models) Make sure the computer has been shut down before servicing the computer.
M2 × L4 2 ± 0.2 kgf-cm M2 × L7.5 2 ± 0.2 kgf-cm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Lower case Remove the battery pack Make sure the following FRUs (or CRUs) have been removed.
Number of screws Torque M2 × L4 2 ± 0.2 kgf-cm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Battery pack Remove the Wi-Fi card Make sure the following FRUs (or CRUs) have been removed.
Page 37
“Remove the lower case” on page 27 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 8. Disconnect the battery pack cable from the system board Step 2.
Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Wi-Fi card Remove the 2242 solid-state drive Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 27 Step 1.
Figure 11. Remove the SSD thermal pad Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: 2242 solid-state drive SSD thermal pad Remove the heat sink Make sure the following FRUs (or CRUs) have been removed.
Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Heat sink Remove the fan Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 27 Step 1. Disconnect the battery pack cable, antennas, and camera board cable from the system board.
Number of screws Torque M2 × L4 2 ± 0.2 kgf-cm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Remove the USB board Make sure the following FRUs (or CRUs) have been removed.
Page 42
“Remove the lower case” on page 27 Step 1. Disconnect the battery pack cable from the system board, remove three screws, and open the left hinge. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 16.
Screw specifications Number of screws Torque M2 × L4 2 ± 0.2 kgf-cm to look up the Lenovo part numbers of the following Go to https://support.lenovo.com/partslookup replacement part: USB board Remove the Type-C bracket (for 16-inch models) Make sure the following FRUs (or CRUs) have been removed.
Remove the speakers Remove the speakers (for 14–inch models) Make sure the following FRUs (CRUs) have been removed. “Remove the lower case” on page 27 Step 1. Disconnect the battery pack cable from the system board. Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable. Figure 19.
Figure 20. Disconnect the speakers cable and remove the speakers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Speakers Remove the speakers (for 16–inch models) Make sure the following FRUs (CRUs) have been removed.
Disconnect the speakers cable from the system board, remove the speakers cable from the cable guide, and remove the speakers. Figure 22. Disconnect the speakers cable and remove the speakers Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Speakers Remove the antennas Make sure the following FRUs (or CRUs) have been removed.
Page 47
Figure 23. Disconnect the antennas and camera board cable Step 2. Remove the antennas. Figure 24. Remove the antennas Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Antennas Chapter 4 Removing a FRU or CRU...
M1.6 × L1.7 1.2 ± 0.1 kgf-cm Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Fingerprint bracket Remove the fingerprint bracket (for 16–inch models) Make sure the following FRUs (or CRUs) have been removed.
Number of screws Torque M1.6 × L1.7 1.2 ± 0.1 kgf-cm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Fingerprint bracket Remove the fingerprint cable Make sure the following FRUs (or CRUs) have been removed.
Page 50
Disconnect the fingerprint cable from the system board and the fingerprint board. Then, remove the fingerprint cable. Figure 28. Disconnect and remove the fingerprint cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Fingerprint cable...
Disconnect the fingerprint cable from the fingerprint cable. Then, remove the fingerprint board. Figure 29. Disconnect the fingerprint cable and remove the fingerprint board Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Fingerprint board Remove the fingerprint board (for 16–inch models) Make sure the following FRUs (or CRUs) have been removed.
Figure 30. Disconnect the fingerprint cable and remove the fingerprint board Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Fingerprint board Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed.
Disconnect the touchpad cable from the system board and the touchpad. Then, remove the touchpad cable. Figure 32. Disconnect and remove the touchpad cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Touchpad cable Remove the touchpad Make sure the following FRUs (or CRUs) have been removed.
Page 54
Figure 33. Disconnect the fingerprint cable and peel back the keyboard cable Step 2. Disconnect the touchpad cable from the touchpad. Figure 34. Disconnect the touchpad cable Step 3. Remove the touchpad mylar. Hardware Maintenance Manual...
Page 55
Figure 36. Remove seven screws and the touchpad Screw specifications Number of screws Torque M1.6 × L1.7 1.2 ± 0.1 kgf-cm Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Touchpad Touchpad mylar Chapter 4 Removing a FRU or CRU...
Remove the system board Remove the system board (for 14–inch models) Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case” on page 27 “Remove the battery pack” on page 29 “Remove the Wi-Fi card” on page 30 “Remove the 2242 solid-state drive”...
Page 57
Figure 38. Remove four screws and open the right hinge Screw specifications Number of screws Torque M2 × L4 2 ± 0.2 kgf-cm M2.5 × L5.5 2.5 ± 0.3 kgf-cm Step 3. Remove four screws and remove the system board and USB board cable. Figure 39.
Disconnect the USB board cable from the system board. Then, remove the USB board cable. Figure 40. Disconnect and remove the USB board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board USB board cable Remove the system board (for 16–inch models)
Page 59
Figure 41. Disconnect all the cables Step 2. Remove three screws and open the right hinge. Figure 42. Remove three screws and open the right hinge Screw specifications Number of screws Torque M2.5 × L5.5 2.5 ± 0.3 kgf-cm Step 3. Remove three screws and remove the system board and USB board cable.
Page 60
Disconnect the USB board cable from the system board. Then, remove the USB board cable. Figure 44. Disconnect and remove the USB board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: System board...
The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to https://support.lenovo.com/us/en/solutions/ht102004 for detailed instructions on how to create and use a Golden Key U1 tool.
Page 62
Figure 46. Remove the antennas and camera board cable from the cable guide Step 3. Remove seven screws. Figure 47. Remove seven screws Screw specifications Number of screws Torque M2 × L4 2 ± 0.2 kgf-cm M2.5 × L5.5 2.5 ± 0.3 kgf-cm Step 4.
Figure 48. Rotate and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module Remove the LCD module (for 16–inch models) Make sure the following FRUs (CRUs) have been removed.
Page 64
Figure 49. Disconnect the cables Step 2. Remove six screws. Figure 50. Remove six screws Screw specifications Number of screws Torque M2.5 × L5.5 2.5 ± 0.3 kgf-cm Step 3. Rotate the LCD module to an angle of more than 90 degrees and remove the LCD module. Hardware Maintenance Manual...
Figure 51. Rotate and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: LCD module Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.
Page 66
Upper case (with keyboard) Hardware Maintenance Manual...