Remove The System Board - Lenovo Yoga 7 Hardware Maintenance Manual

Go to
https://support.lenovo.com/partslookup
replacement part:
Fingerprint reader board cable

Remove the system board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
"Remove the M.2 2280 solid-state drive (for selected models)" on page 31
"Remove the M.2 2242 solid-state drive and bracket (for selected models)" on page 33
"Remove the Wi-Fi card" on page 35
"Remove the thermal module" on page 37
Step 1. Disconnect all the cables from the system board.
Figure 29. Disconnect cables
Step 2. Remove seven screws and the system board.
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Yoga 7 (14", 7) and Yoga 7i (14", 7) Hardware Maintenance Manual
to look up the Lenovo part numbers of the following