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Mother board or vidio card

By lonniec1143 ·
I am working on a freinds computer. She had problems with the monitor. nothing would come up, the monitor did not work at all. I replaced the monitor with a known good one and still nothing. I put in another video card and still nothing. The only thing left to try was a new motherboard and still nothing. What can it be? Coulod a refirbished mother board that I had recently purchased also be bad?

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Normally I'd say something is misseated

by Slayer_ In reply to Mother board or vidio car ...

Possibly badly seated or broken RAM, CMOS battery could be dead, CMOS jumper could be in the reset position (or may need to be reset)

Try putting the jumper in the reset position, start the system, if it doesn't auto turn back off, wait a moment then turn it off, move the jumper back to the run position and start again.
The jumper is usually right next to the battery.

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tried battery

by lonniec1143 In reply to Normally I'd say somethin ...

tried battery and cmos jumper and still nothing. The first mother boards lights indicated other failure. the new mother board indicates IDE Bus failure.

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You have two specific failures to research, then.

by seanferd In reply to tried battery

Which you did not mention initially.

If you installed a new board, I highly suggest you ensure that it is not grounding out on the case.

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Motherboard snaps in

by lonniec1143 In reply to You have two specific fai ...

It's a Dell Demension 8300. The motherboard comes on a motherboard tray. It snaps into the case rather than being screwed down.

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Almost sounds like two bad mother boards

by Slayer_ In reply to tried battery

What are the odds eh, but as you say, two different errors, two different mother boards.

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I'd have to agree at this point.

by seanferd In reply to Almost sounds like two ba ...

If the IDE bus is bad, it's bad. Ring Dell, if you got the replacement from them. If not, take it back where you got it.

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When you say nothing, you mean no video?

by robo_dev In reply to Mother board or vidio car ...

Is the PC booting and giving normal bootup beep codes?

Are keyboard lights lighting up, and does the caps lock work?

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no video, there is nothing on the monitor

by lonniec1143 In reply to When you say nothing, you ...

The first mother boards lights indicated other failure. the new mother board indicates IDE Bus failure. The key board lights come on and so does the cap locks

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IDE Bus failure, sounds like the hard drive cable is not seated properly

by robo_dev In reply to no video, there is nothin ...

plugged in backwards, or the drive is not getting power. Does the error go away if you unlplug all IDE cables?

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While your are swapping things...

by dldorrance In reply to Mother board or vidio car ...

You might try a different power supply.

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