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Power supply
Any of the following conditions
malfunction
could occur:
Front panel lamps out, diskette
and/or hard drives do not spin,
monitor blank, interface ports not
working, and keyboard lamp out
and/or cannot input from keyboard.
Intermittent beeping at power-on.
Operating system does
Computer beeps more than once
not boot
and is unable to complete boot-up.
"Invalid Configuration" message
displayed.
Computer halts during loading
sequence.
Diskette drive does not
Lamp on front panel does not light
work
when diskette is loaded.
Hard drive
Hard drive lamp does not light but
malfunction
hard drive can be accessed.
Hard drive controller failure
message displayed.
Cannot access hard disk.
6. Replace the system board.
1. Perform steps 1 through 4 listed in this
table under No Power.
2. Check power supply voltages. Voltages
should be measured with a load on them
(system board plugged in). See Appendix B
for connector pin assignments and Section 1
for power supply specifications.
3. Replace the power supply.
1. Check system configuration (see Section
2).
2. Check all jumper settings and verify that
drives are enabled (see appendices and
Section 2).
3. Reseat DIMMs and option boards in their
connectors. Inspect system board for dropped
objects.
4. Remove option boards and reboot.
5. Replace system board.
1. Press F2 to run Setup and correct the
parameters.
2. Replace the CMOS battery if the date and
time must be set each time the computer is
powered on.
1. Power the computer off. Check for proper
jumper settings (see appendices), then power
on the computer.
2. Check condition of selected bootload
device (diskette or hard disk) for bad boot
track or incorrect OS files.
3. Try booting OS from diskette or recopy
OS files onto hard disk.
4. Verify correct hard disk is selected.
1. Check power and signal cable connections
between diskette drive, system board, and
power supply.
2. Check diskette drive jumpers.
3. Check diskette cable. Replace as
necessary.
4. Check power supply.
5. Replace diskette drive.
6. Replace system board.
1. Check cable connections between lamp
and system board.
1. Check that the IDE port and hard drives
are enabled in Setup.
1. Check signal/power connections between
hard disk, system board, and power supply.
2. Check hard drive jumper settings.
3. Check power supply.
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