Power problems – Compaq AP500 User Manual

Page 84

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4-8

Diagnostic Tools

Power Problems

This section identifies some quick checks for power-related problems.

Table 4-2

Solutions for Power Problems

Problem

Possible Solution

Computer will not turn on.

Be sure the workstation is connected to a working grounded AC outlet.

Be sure the processor(s) and terminator board are properly seated.

Check to see if cables to the external power source are unplugged. Be sure cables

connecting the workstation and the external source are plugged in properly. Be sure

cables from the workstation’s power supply are properly plugged in to the system board.

A PCI or ISA card that has been installed is not seated properly or is defective. Be sure that

the card is fully inserted, or remove the PCI or ISA card that was just installed.

System will not boot.

If the LED is a steady amber color, reseat the I/O bracket assembly (expansion board

assembly).

Computer does not automatically

display the date and time.

The real-time clock (RTC) battery may need to be replaced.

Computer powered off

automatically.

The maximum safe unit temperature may have been exceeded. Turn off the unit and allow

it to cool.

ACPI may be the cause. Unplug the unit from AC power and wait 10 seconds. Plug unit

back in and restore power.

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