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Compaq Evo D500 Motherboard Problems

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5 replies

by alligs123

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I'm a tech here at Intechra and a recent problem I been getting with the Evo's is the motherboard is getting power but it's turning on. Two LED's on mobo light up with are the power and then when you press the power button or hold it, the power button light on the mobo lights up but nothing reacts to it. I've tried stripping it down to eliminate any hardware from causing the problems. Took out memory to at least get POST error, nothing. Any idea?

5 replies

by hal 9000

The ones used by HP leave a lot to be desired and are underpowered. So grab a Known Good PS and plug it in and see if the unit now works. If it still fails to work it's possible that the M'Board has suffered some form of damage so visually inspect it looking closely for burn marks unreadable IC Markings or Broken or bulging Electrolytic Capacitors.

If you find any of the above you need to replace the M'Board and also first test the existing PS on a M'Board that it doesn't matter if you kill as it's possible that the PS failed and took out the M'Board and more like the CPU Ram and HDD/s.

Col

by jkbmjp

I have the same problem. I can't get any video to come up on the monitor. I have tried swapping AGP graphics card with another AGP card. I even used a PCI graphics card. Nothing worked. I stripped it down to nothing still get the same results. I pressed the CMOS button to clear any settings. Nothing. My computer doesn't even POST. I know there is power going to the MB but I don't think it is the PS. My next step is getting a another MB. I have power going to HD, CD drive, and floppy.

Have you contacted Compaq tech support?

by ic-it

You are on the right track, most of those have either a failing MB or CPU.

by atasmaly

I got this Compaq Evo D500 and the power is going to it but no video, I read that more pple have this problen of any one alse had this problem please post it here if you resolvet

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