HP xw3400 HP xw3400 Workstation - Service and Technical Reference Guide - Page 154
Solving Hardware Installation Problems continued, Power LED flashes Red five times, once every second
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Table D-11 Solving Hardware Installation Problems (continued) Power LED flashes Red five times, once every second, followed by a two second pause, and the workstation beeps five times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Memory is installed incorrectly or is bad. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the workstation power cord before attempting to reseat, install, or remove a DIMM module. 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. Power LED flashes Red six times, once every second, followed by a two second pause, and the workstation beeps six times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution Graphics card is not seated properly or is bad, or system board For systems with a graphics card: 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. Power LED flashes Red ten times, once every second, followed by a two second pause, and the workstation beeps ten times. (Beeps stop after fifth iteration but LEDs continue flashing.) Cause Solution 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. 144 Appendix D Troubleshooting without diagnostics ENWW