Procedure - Dell Inspiron 3521 Owner's Manual

Procedure

1 Remove the screw that secures the I/O board to the computer base.
2 Use the pull-tab to disconnect the I/O board cable from the connector on
the system board.
3 Gently lift and remove the I/O board off the computer base.
1
1 I/O board
3 screw
42
| Removing the I/O Board
2
2 I/O board cable
3