Go to
https://support.lenovo.com/partslookup
to look up the Lenovo part numbers of the following
replacement part:
Fingerprint reader
Remove the system board
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 28
“Remove the memory” on page 32
“Remove the 2242 solid-state drive (for selected models)” on page 33
“Remove the 2280 solid-state drive (for selected models)” on page 34
“Remove the Wi-Fi card” on page 37
“Remove the heat sink” on page 38
Step 1. Disconnect the CMOS battery connector, keyboard light cable connector, speaker connector,
touchpad cable connector, I/O board cable connector, dc-in cable connector from the system
board.
Figure 32. Disconnect cables
Step 2. Remove three screws and open the left hinge. Then, remove the system board.
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