A–16
Troubleshooting Guide
Post Error Messages
Flashing Power
and Hard Drive
Green LEDs.
None
Unseated riser board.
1. Remove riser board.
2. Wipe connector.
3. Reinstall riser board (see
the
Hardware Reference
Guide
for directions on
removing the riser board).
Red Power LED
flashes every
second (on select
models.)
None
System memory error.
1. Check memory module
(see the relevant section
of the
Hardware
Reference Guide
).
2. Remove and reseat
memory module.
3. See the “Solving Memory
Problems” section of this
guide.
Red or Yellow
Power LED On
None
Processor unseated.
Reseat processor in system
board.
Red or Yellow
Power LED is:
1. Flashing four
times per
second, Or
2. Flashing two
times one
second apart,
followed by a
two second
pause, Or
3. Not flashing.
None
Computer overheated.
1. Install computer cover
or access panel if
necessary.
2. Ensure that computer air
vents are not blocked and
internal fan is running.
Diagnostic Keyboard LEDS, Front Panel LEDs and Audible Codes
(Continued)
Activity
Beeps
Probable Cause
Recommended Action
292974-002.book Page 16 Tuesday, July 9, 2002 5:46 PM
