Step 1.
Disconnect the battery pack cable and audio board cable from the system board. Then, remove
two screws and remove the audio board cable.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
Figure 12. Disconnect the cables, remove two screws and the audio board cable
Screw specifications
M2 × L4
Go to
https://support.lenovo.com/partslookup
replacement part:
Audio board cable
Remove the fingerprint cable
Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 26
Step 1.
Disconnect the battery pack cable from the system board. Disconnect the fingerprint cable from
the system board and fingerprint module and remove the fingerprint cable.
Attention: Use your fingernail to pull the connector to unplug it. Do not pull the cable.
34
Lenovo ThinkBook Plus Gen 4 Hardware Maintenance Manual
Number of screws
2
to look up the Lenovo part numbers of the following