HP Dc5000 Getting Started - Business Desktops - Page 20

Getting Started Solving Hardware Installation Problems Continued Problem Computer will not start. Power LED flashes Red five times, once every second, followed by a two second pause, and the computer beeps five times. Power LED flashes Red six times, once every second, followed by a two second pause, and the computer beeps six times. Probable Cause Recommended Solution Wrong memory modules were used in the upgrade or memory modules were installed in the wrong location. 1. Review the documentation that came with the system to determine if you are using the correct memory modules and to verify the proper installation. 2. Observe the beeps and LED lights on the front of the computer. See "Interpreting diagnostic Lights and Audible Codes" to determine possible causes. 3. If you still cannot resolve the issue, contact Customer Support. Memory is installed incorrectly or is bad. 1. Reseat DIMMs. Power on the system. 2. Replace DIMMs one at a time to isolate faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Video card is not seated For systems with a graphics card: properly or is bad, or system board is bad. 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. 16