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: •...
CRU list Table 1. 14–inch models (Machine type: 82YM and 82YL) Type ac power adapter self-service Lenovo Digital Pen* self-service Lenovo Precision Pen 2* self-service power cord self-service Table 2. 16–inch models (Machine type: 83BS and 82YN) Type ac power adapter...
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.
Screw specifications Number of screws M2 × L3 M2 × L7.5 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.
Screw specifications Number of screws M2 × L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Battery pack Remove the Wi-Fi card Make sure the following FRUs (CRUs) have been removed. “Remove the lower case (for 14–inch models)” on page 26 “Remove the lower case (for 16–inch models)”...
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Figure 6. Peel off the mylar, disconnect the wireless antennas and remove the Wi-Fi card Number of screws Screw specifications M1.6 × L1.7 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Wi-Fi card Wi-Fi PC mylar...
Remove the 2242 solid-state drive Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case (for 14–inch models)” on page 26 “Remove the lower case (for 16–inch models)” on page 27 Step 1. Disconnect the battery pack cable from the system board. Then, peel off the right cosmetic mylar. Attention: Use your fingernail to pull the connector to unplug it.
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Step 4. Remove the 2242 solid-state drive AL foil. Figure 10. Remove the 2242 solid-state drive AL foil Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: 2242 solid-state drive 2242 solid-state drive thermal pad...
Right cosmetic mylar Remove the heat sink Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case (for 14–inch models)” on page 26 “Remove the lower case (for 16–inch models)” on page 27 Step 1. Disconnect the battery pack cable from the system board. Then, peel off the right cosmetic mylar. Attention: Use your fingernail to pull the connector to unplug it.
Screw specifications Number of screws M1.6 × L1.7 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Heat sink Right cosmetic mylar Remove the fan Make sure the following FRUs (or CRUs) have been removed.
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Figure 15. Disconnect the fan cable and remove the fan Screw specifications Number of screws M2 × L4 Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Left cosmetic mylar Right cosmetic mylar Yoga 7 (14″, 8), Yoga 7i (14″, 8), Yoga 7 (16″, 8) and Yoga 7i (16″, 8) Hardware Maintenance Manual...
Remove the speakers (for 14–inch models) Make sure the following FRUs (CRUs) have been removed. “Remove the lower case (for 14–inch models)” on page 26 Step 1. Disconnect the battery pack cable from the system board. Then, peel off the right cosmetic mylar. Attention: Use your fingernail to pull the connector to unplug it.
Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: Speaker Right cosmetic mylar Remove the speakers (for 16–inch models) Make sure the following FRUs (CRUs) have been removed. “Remove the lower case (for 16–inch models)” on page 27 Step 1.
Disconnect the speaker cable from the system board and carefully remove the speaker cable from the cable guide. Then, remove the speakers. Figure 20. Disconnect and remove the speakers Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Speaker Left cosmetic mylar Right cosmetic mylar Remove the coin-cell battery Make sure the following FRUs (CRUs) have been removed.
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Disconnect the coin-cell battery cable from the USB board and remove the coin-cell battery. Figure 22. Disconnect and remove the coin-cell battery Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: Coin-cell battery Left cosmetic mylar...
Remove the USB board (for 14–inch models) Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case (for 14–inch models)” on page 26 “Remove the battery pack” on page 27 Step 1. Peel off the left cosmetic mylar. Then, remove three screws and lift the left hinge. Figure 23.
Screw specifications Number of screws M2 × L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: USB board Left cosmetic mylar Remove the USB board (for 16–inch models) Make sure the following FRUs (or CRUs) have been removed.
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Figure 26. Disconnect the cables, remove two screws and the USB board Screw specifications Number of screws M2 × L4 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: USB board Chapter 4 Removing a FRU or CRU...
Left cosmetic mylar Remove the touchpad cable Make sure the following FRUs (or CRUs) have been removed. “Remove the lower case (for 14–inch models)” on page 26 “Remove the lower case (for 16–inch models)” on page 27 “Remove the battery pack” on page 27 Step 1.
Figure 28. 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. “Remove the lower case (for 14–inch models)” on page 26 “Remove the lower case (for 16–inch models)”...
Number of screws M1.6 × L1.7 Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement part: Touchpad Remove the fingerprint board cable (for selected models) Make sure the following FRUs (or CRUs) have been removed.
Figure 31. Disconnect and remove the fingerprint board cable Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Fingerprint board cable Remove the system board and USB board cable Make sure the following FRUs (or CRUs) have been removed.
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Figure 32. Peel off the absorber, remove three screws and lift the right hinge Screw specifications Number of screws M2.5 × L5.5 Step 2. Disconnect the USB board cable from the USB board. Disconnect the fingerprint board cable (if any), keyboard cable, touchpad cable, keyboard backlight cable, speaker cable and EDP cable from the system board.
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Peel off the mylar. Then, disconnect and remove the USB board cable from the system board. Figure 35. Peel off the mylar and remove the USB board cable Go to https://support.lenovo.com/partslookup to look up the Lenovo part numbers of the following replacement parts: System board USB board cable...
The Golden Key U1 tool is prepared by running the U1 Update software on a FAT32-formatted USB thumb drive. Go to for detailed instructions on how to create http://support.lenovo.com/us/en/solutions/HT506954 and use a Golden Key U1 tool. Remove the LCD module Make sure the following FRUs (CRUs) have been removed.
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Figure 37. Disconnect and remove the cables from the cable guide Step 3. Remove six screws. Figure 38. Remove six screws Screw specifications Number of screws M2.5 × L5.5 Step 4. Rotate the LCD module to an angle of more than 90 degrees and place the computer on a flat surface as shown.
Figure 39. Rotate and remove the LCD module Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement parts: LCD module RF EDP absorber Remove the upper case (with keyboard) Make sure the following FRUs (CRUs) have been removed.
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Go to to look up the Lenovo part numbers of the following https://support.lenovo.com/partslookup replacement part: Upper case (with keyboard) Chapter 4 Removing a FRU or CRU...
43 mm x 24 mm Vietnam MEPS label 10 mm x 9 mm Belarus D-side label 40 mm x 8 mm Lenovo Energy Saving label 30 mm x 30 mm Country label (CECP) TW vision warning label 70 mm x 10 mm 32 mm x 10 mm USA.CA.TW.CA_Group label...