HP Deskpro /I Desktop PC 3/33is Compaq Deskpro Family of Personal Computers, C - Page 71
Red Power LED Blinks Every, Run Computer Setup F10 Setup.
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POST Error Messages Continued Screen Message Green Power LED Blinks Once per Second Beeps* None Probable Cause Computer in normal Suspend mode. Recommended Action None Green Power LED ON None Computer on. None Invalid Electronic Serial Number None Electronic serial number has become corrupted. Run Computer Setup (F10 Setup). If Setup already has data in the field or will not allow the serial number to be entered, download and run SP5572.EXE (SNZERO.EXE). Flashing Power and Hard Drive Green LEDs None Unseated riser board. 1. Remove riser board. 2. Wipe connector. 3. Reinstall riser board. Red Power LED Blinks Every None 2 or more Seconds Power supply overloaded. 1. Push in power button. LED should be green. 2. Remove all AC power from computer, wait 30 seconds, then apply power. 3. Remove load from power supply by removing options one at a time until computer runs. 4. Check for damage to system board. 5. Replace system board. 6. Replace power supply. Red Power LED Blinks Every Second None System memory error. 1. Check memory module. 2. Remove and reseat memory module. 3. See the "Solving Memory Problems" section of this guide. Red power LED ON None Processor unseated. Reseat processor in system board. XXOOOYZZ Parity Check None * L = Long, S = Short Parity RAM failure. Run Computer Setup and Diagnostic Utilities. B-10 POST Error Messages - Numbered