Remove The I/O Board - Lenovo V720-14 Hardware Maintenance Manual

Remove the I/O board

Make sure the following FRUs (or CRUs) have been removed.
"Remove the lower case" on page 31
"Remove the heat sink" on page 38
Step 1. Disconnect the cable between the I/O board and the system board.
Figure 22. Disconnect the cable
Step 2. Remove 1 screw.
Figure 23. Remove 1 screw
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Hardware Maintenance Manual