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3-2 Removal and Replacement Procedures
Service Preparations
CAUTION: The power supply in the Compaq Professional Workstation AP500 has
an auxiliary power section. This section is always active as long as the unit is
plugged into a live AC outlet. Be sure to turn off the switch and unplug the power
cord before performing any service work.
CAUTION: Electrostatic discharge can damage electronic components. Be sure
you are properly grounded before beginning any installation procedure. See
“Electrostatic Discharge Information” in Chapter 2 for more information.
Before beginning any of the removal and replacement procedures, complete the following steps:
1.
Turn off the workstation.
2.
Disconnect the power cord from the grounded AC outlet and then from the workstation.
3.
Turn off all peripheral devices and disconnect cables from the rear of the workstation.
4.
Remove the cable lock in order to access internal components. See the following section
for instructions on how to remove the cable lock.