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Computers fan keeps running on startup

This is a discussion on Computers fan keeps running on startup within the Windows XP Support forums, part of the Tech Support Forum category. Whenever I turn on my computer the fan stays loud and nothing appears on the screen. You know how when


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Old 12-31-2008, 02:27 PM   #1
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Whenever I turn on my computer the fan stays loud and nothing appears on the screen. You know how when you turn on your computer the fan goes loud for around a second and a half then goes pretty quiet and then it starts (shows the welcome message ect.) My computer just keeps the fan running and shows nothing on the screen.

It has been doing this for a few weeks but if I kept trying to turn on and off it would eventually boot up, but now it won't boot up at all the fan just keeps running. Anyone know why this would happen.

It was doing this before i got a new graphics card and power supply and is still doing it.

I'm not on that computer now because it won't boot up.

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Old 12-31-2008, 02:43 PM   #2
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Does it beep? at all?

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Old 12-31-2008, 02:56 PM   #3
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OS: xp pro sp3, 7 Ultimate 64-bit, Server 2003, Server 2008, VMware vCenter Server

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Hello there...
I recently had a problem just like yours. A costumer brought PC and he was doing just like you: Sometimes PC couldn't boot, and he was turning PC on and off couple of times untill PC turns on with operating system... He was doing that for a few months untill PC completely stopped responding...
I found out that he had bad PSU and he fried Motherboard... So he bought new Motherboard and everything is fine now...

But before we can say it is a bad Motherboard, you should do the following:

Take out power cable from PSU...
Open one side of the case and clean inside the case from dust with compressed air...
Take out RAM sticks and clean contacts with rubber [eraser]...
Take out graphic card and clean contacts too...
If your graphic card has active cooler, clean it from dust...

You will find a coin-like CMOS battery. Take it out and leave PC for 1-2 minutes...
Hit power button couple of times...
Put back battery and power PC...
If this does not help, unplug all components from Motherboard and leave just CPU, one stick of RAM [if you have more than one], and graphic card
[if you have an on-board graphic card than unplug an extra graphic card]
Power PC...
If this does not help, than you should borrow from a friend RAM, graphic card and PSU and try with it...

If this does not help, than I think we should say that Motherboard is dead...

Keep us posted...
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Old 12-31-2008, 04:03 PM   #4
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I got it working, there is a red switch on the power supply that has 230w and 1xxw and it was set to 230w but i switched it to the 1xxw one and now it works. I don't really know why though.
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