DC-in cable
Remove the I/O board
Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 28
Step 1.
Disconnect the battery pack cable, the I/O board cable, and fingerprint board cable from the
system board. Then, remove four screws
Figure 26. Disconnect cables and remove four screws
Screw specifications
M2 x L4
M2.5 x L4.5
Step 2.
Open the left hinge and remove the I/O board.
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IdeaPad Series 1 Hardware Maintenance Manual
Number of screws
1
3