HP Dx5150 - Compaq Business Desktop Troubleshooting Manual page 54

Troubleshooting Without Diagnostics
Solving Memory 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.
2–38
Cause
Memory is installed
incorrectly or is bad.
www.hp.com
Solution
1. Reseat DIMMs. Power on the
system.
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.
Troubleshooting Guide