Troubleshooting Guide

Troubleshooting Guide www.hp.com A–9
POST Error Messages
Red Power LED
flashes ten times,
once every second,
followed by a
two-second pause.
The Power LED will
continue flashing
until the problem is
resolved.
10 Bad option
card.
1. Check each graphics card by
removing the card (one at a time if
multiple cards), then power on the
system to see if fault goes away.
2. Once a bad card is identified,
remove and replace the bad option
card.
3. Replace the system board.
Diagnostic Front Panel LEDs and Audible Codes (Continued)
Activity Beeps
Possible
Cause Recommended Action