Question about Compaq Refurbished 280WATT POWER SUPPLY FOR PROFESSIONAL WORKSTATION 5100 Power Supply

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DO ANYBODY KNOWS WAT TO DO IF DISPLAY NOT APPEARS

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Plug off the Monotor Data cable from CPU and power the Monitor. If anything display like no signal or in old monitors, Bright/Contrast/Color switch light up display, Then monitor OK But CPU Defective. If monitor not power up even LED not glowing, Monitor power supply unit problem.

If CPU Problem, then just open the RAM and here if any beepcode occurs. If beep code gives then your Motherboard & Power Supply (SMPS) is OK. If not open all cables from Motherboard Except power switch and SMPS power and reenergize and here. CPU Failure or RAM failure will be isolated in this test. Like on you can pinpoint the fault.

Posted on Jan 30, 2010

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The 280W may not be supportive enough for the computer requirements and is not diverting its power correctly to power the VGA part of the motherboard.

Posted on Jan 31, 2009

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