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Table C-3
Activity
Red Power LED flashes eight
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
System does not power on and
LEDs are not flashing.
76
Appendix C Diagnostics and Troubleshooting
Diagnostic Front Panel LEDs and Audible Codes (continued)
Beeps
8
None
Possible Cause
Recommended Action
Invalid ROM based on
1.
bad checksum.
2.
System unable to power
Press and hold the power button for less than 4
on.
seconds. If the hard drive LED turns white, the
power button is working correctly. Try the
following:
1.
2.
3.
4.
5.
6.
Reflash the system ROM with the latest BIOS
image using the BIOS Recovery procedure.
Replace the system board.
Remove the power cord from the computer.
Open the computer and press the yellow
CMOS button on the system board for 4
seconds (located near the front USB ports).
Verify that the AC cord is plugged into the
power supply.
Close the unit and reattach the power cord.
Try to power on the computer.
Replace the unit.
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Table of Contents
Troubleshooting
