computer doesn't boot after usb header change

December 10, 2009 at 19:01:37
Specs: Windows XP
Hello, I hope somebody can help me, my problem is that my computer doesn't boot, after powering it up, the only thing that shows sign of life is the fan, and the cd rom led, the rest is all dead. It happened after I changed the usb header connection the wrong way and while the computer was on, I know it was something stupid, but I never thought this could happen... So I guess that's what caused the problem, my question is, it caused an irreversible malfunction in the motherboard? It was a short circuit? Or do you think there's something else to do in order to make it work again??

I'll appreciate your comments.


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December 10, 2009 at 21:33:35
Leave the USB header disconnected and see if it boots up. If not, yeah, the motherboard must be damaged. You can examine the motherboard and see if you can find anything that looks burned but most of that stuff blows at such low amperage that you can't see any obvious damage.

Well, just in case, remove any added cards except video and disconnect all the drives. Then see if it boots up. Possibly the incident caused damage in something not directly associated with the USB.

Do you get any beeps when starting it up?

Onward to 3XX

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December 11, 2009 at 09:21:01
First of all thanks for your asnwer,

I can't see any visible or as you said obviuos damage in the motherboard, regarding disconnecting all the drives, I already did that, but it didn't work, well, in fact I also discconnected the video card, and all the RAM modules, hopping to at least see any other evidence of life when powering it up, but no, it was the same, only the fan and the CD Rom led are working, (do you think I should try to do it with the video card on?, I will try that way).

Oh, and by the way, there are no beeps in any startup.

There's other thing, when I connect once again the usb header in the wrong position (rotating the connector upside down) and I power up the system, all the CD roms, along with the power on light on the front panel lights up, I guess is telling me that the connection is wrong.

In the case that I broke the motherboard with this, do you think that is more expensive try to fix it, rhater than buying a new one?

Is an old model, Shutter AB30 mother board...

Thanks for your comments.

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December 11, 2009 at 12:56:22
Unless you blew out something easily replaced like a capacitor or surface-mount resistor it's probably not practical to get it fixed. It would cost more than the motherboard is worth.

Generally a seemingly dead motherboard is either the PSU, motherboard, cpu or a combination of those three. I think your case is probably just the motherboard but there's no way to know for sure.

If you do replace the motherboard try to get the exact same model motherboard, XP should accept it and not give the BSOD error that would require a repair reinstall. Also, that way you'd know all the connections would be the same. You might see what you can find on ebay

"It was far easier for you as civilized men to behave like barbarians
than it was for them as barbarians to behave like civilized men."

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