Troubleshooting Guide

2–32 www.hp.com Troubleshooting Guide
Troubleshooting Without Diagnostics
Power LED flashes Red ten
times, once every second,
followed by a two second
pause, and the computer
beeps ten times. (Beeps
stop after fifth iteration but
LEDs continue flashing.)
Bad option card. 1. Check each option card by
removing the cards one at time
(if multiple cards), then power
on the system to see if fault goes
away.
2. Once bad card is identified,
remove and replace bad option
card.
3. Replace the system board.
Solving Hardware Installation Problems (Continued)
Problem Cause Solution