HP Dx5150 HP Business Desktop dx5150 Series Service Reference Guide, 1st Editi - Page 165

Solving Hardware Installation Problems

Page 165 highlights

Troubleshooting Without Diagnostics Solving Hardware Installation Problems (Continued) Problem Cause Solution 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. 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. 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. Video card is not seated properly or is bad, or system board is bad. 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. 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. 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. Service Reference Guide, dx5150 361685-001 D-19

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Service Reference Guide, dx5150
361685-001
D–19
Troubleshooting Without Diagnostics
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.
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.
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.
Video card is not
seated properly or is
bad, or system board is
bad.
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.
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.
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