HP Dx5150 - Compaq Business Desktop Reference Manual page 165

Solving Hardware Installation Problems (Continued)
Problem
Power LED flashes Red five
times, once every second,
followed by a two second
pause, and the computer
beeps five times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Power LED flashes Red six
times, once every second,
followed by a two second
pause, and the computer
beeps six times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Power LED flashes Red ten
times, once every second,
followed by a two-second
pause, and the computer
beeps ten times. The beeps
will repeat five times, but
the Power LED will continue
flashing until the problem is
resolved.
Service Reference Guide, dx5150
Cause
Memory is installed
incorrectly or is bad.
Video card is not
seated properly or is
bad, or system board is
bad.
Bad option card.
361685-001
Troubleshooting Without Diagnostics
Solution
1. Reseat DIMMs.
2. Replace DIMMs one at a time to
isolate the faulty module.
3. Replace third-party memory
with HP memory.
4. Replace the system board.
For systems with a graphics card:
1. Reseat the graphics card.
Power on the system.
2. Replace the graphics card.
3. Replace the system board.
For systems with integrated
graphics, replace the system board.
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.
D–19