Owner's Manual

“Remove the heat sink” on page 65
“Remove the fan” on page 65
Step 1. Disconnect the I/O board cable from the I/O board and system board. Remove the I/O board cable.
Figure 62. Remove the I/O board cable
Go to https://support.lenovo.com/partslookup to look up the Lenovo part number of the following replacement
part:
I/O board cable
Remove the fingerprint board module
Make sure the following FRUs (or CRUs) have been removed.
“Remove the lower case” on page 60
“Remove the battery pack” on page 61
Step 1. Remove one screw then remove the fingerprint board bracket.
Figure 63. Remove the fingerprint board bracket
Screw specifications
Number of screws
M2 x L2 1
68
Hardware Maintenance Manual