Asus AP140R-E1 - Manual (Page 34)

Chapter 2: Hardware setup 2-20
2.7.4 Power supply module
To uninstall the power supply module:
1. Disconnect all the power cables
connected to the motherboard
and system devices.
4. Slide the power supply forward for about half an inch, then carefully lift
it out from the chassis.
3. From the rear panel, remove the
two screws the secure the rear
end of the power supply.
2. Use a Phillips (cross) screwdriver
to remove the screw the secures
the front end of the power supply.