Gateway E-5400 System Manual page 68

3
Replace the fan bracket unit into the chassis by engaging the four
retaining tabs with the holes in the back of the chassis and sliding the
unit to the right until the two locking tabs click into place.
4
Plug the fan power cable into the appropriate connector on the system
board.
5
Close the case as described in Chapter 3.
6
Reconnect the power and modem cords, then turn on the system.
61
System fans