Remove The I/O Board With Cable - Lenovo Chromebook Duet 3 Hardware Maintenance Manual

Screw specifications
M1.4 × L2.5
Go to https://support.lenovo.com/partslookup
replacement parts:
I/O board bracket

Remove the I/O board with cable

Make sure the following FRUs (or CRUs) have been removed.
"Remove the LCD module" on page 26
"Remove the battery pack" on page 28
"Remove the I/O board brackets" on page 30
Step 1. Remove two screws. Then, disconnect the cables of the I/O board from the system board.
Figure 10. Remove two screws and disconnect cables
Screw specifications
M1.4 × L2.5
Step 2. Disconnect the I/O board cable from the I/O board.
Number of screws
4
to look up the Lenovo part numbers of the following
Number of screws
2
.
Chapter 4 Removing a FRU or CRU
31