HP Dx5150 HP Business Desktop dx5150 Series Service Reference Guide, 1st Editi - Page 165
Solving Hardware Installation Problems
UPC - 882780485433
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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