Power Supply
WARNING!
Voltage is always present on the system board when the computer is plugged into an
active AC outlet. To avoid possible personal injury and damage to the equipment the power cord should
be disconnected from the computer and/or the AC outlet before opening the computer.
NOTE:
When installing a new power supply, be sure to set the red switch to the setting (230 V or 115
V) appropriate for the country in which the computer is used. Spare power supplies normally arrive set
for 230 V.
1.
Prepare the computer for disassembly (
Preparation for Disassembly on page 29
).
2.
Remove the access panel (
Access Panel on page 30
).
3.
Lay the computer on its side with the rear facing toward you.
4.
Disconnect all power cables from the mass storage devices and from the system board.
5.
Remove the four screws that secure the power supply to the chassis.
62
Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis
