Service Reference Guide, dx2000 uT 359782-002 D–17
Troubleshooting Without Diagnostics
Power LED flashes Red five 
times, once every second, 
followed by a two second 
pause. The computer beeps 
at the same rate and at the 
same time as the LED 
flashes. 
Memory is installed 
incorrectly or is bad.
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.
Solving Hardware Installation Problems (Continued)
Problem Cause Solution