Power up computer no boot, no beep, no idea?

April 9, 2011 at 23:35:08
Specs: Windows XP

My computer was still working fine a week ago. Disconnected all power for abt for a business trip and when I came back just couldn't start it up again. There is no booting, no beeping and screen is blank at all times so I couldn't tell what's wrong. The keyboard lights don't even come on! The unit does power itself up though, that meas fan is running, USB mouse has lights.

But like I said, no beeping no booting and no keyboard, seems like the boot sequence doesn't start at all. I tested both the RAM and HDD on another computer and they work fine, any suggestions how to diagnose this problem?

I never had a Motherboard give up on me, can this possibly be the motherboard failing completely?

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April 10, 2011 at 01:07:47
What about the fans? If the power supply fan doesn't start, check the breaker in the panel box. There could be a switch on the power supply that you hit by accident too.

How do you know when a politician is lying? His mouth is moving.

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April 10, 2011 at 06:25:22
Fans are all running and USB mouse has power.

One thing I just noticed. Screen is blank as it says 'no input' although cables are connected, LAN light isn't on although there is link. I'm using both the on board LAN and video.

Does this mean the motherboard really fried this time?

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April 10, 2011 at 06:32:04
Put your ear near the power supply, Did you hear a tick sound, when it's turned on?

Could also be a corrupt reset button, so that it's permanently closed and therefore your computer get's permanently resetted.

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Related Solutions

April 10, 2011 at 10:19:17
Nobody can answer that question without numbers. No numbers is why every reply is only wild speculation. Lights can glow; fans spin; and all voltages can be completely defective.

Either measure volt numbers using a multimeter. Or just start replacing good parts until something works. (Or take it to a shop.) Those are your choices.

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April 13, 2011 at 06:26:34
there is a problem with the fan which is installed on the Processor. U should open the case and u will find that the fan is not working. just unplug the power and then unplug your fan which is installed on the processor. Keep this clean with WD40 and then install it back. Your problem will solved.

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April 14, 2011 at 17:38:45
WD40 is not a lubricant. It is a solvent. Good for dissolving rusted joints. Turns sticky with age. Does not lubricate.

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