Remove The I/O Board With Cable - Lenovo Chromebook C340 Hardware Maintenance Manual

Battery pack

Remove the I/O board with cable

Make sure the following FRU (or CRU) have been removed.
"Remove the lower case" on page 43
"Remove the battery pack" on page 44
Step 1. Disconnect the cable of the I/O board from the system board.
Figure 31. Disconnect the cable of the I/O board
Step 2. Remove four screws.
Figure 32. Remove four screws
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Lenovo Chromebook C340 and S340 Hardware Maintenance Manual