Gateway E-5400 System Manual page 60

6
Locate and remove the two supporting screws securing the power supply
to the top of the chassis.
Screws
7
While supporting the power supply with one hand, locate and remove
the two screws securing the power supply to the rear of the
chassis.Carefully lift the power supply out of the chassis.
To install the new power supply:
1
Before installing the new power supply, verify that it matches the one
you previously removed. The mounting holes should line up correctly,
and the specifications and power output connectors should be the same.
2
Make sure that the red voltage switch on the back of the new power
supply is set to the proper voltage for your area.
3
Place the new power supply in the proper position in the chassis and line
up the mounting holes with the holes in the chassis.
Screws
53
Power supply