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cj1976
Joined: 26 Oct 2005
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 Posted: Mon Dec 18, 2006 5:15 pm Post subject: PC won't power up |
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I recently rebuilt my PC and it powered up fine, and after about 15 minutes (whilst installing WINXP), it just switched off. I checked inside and there were no visible signs of damage, but the CPU had heated up quite quickly. The mobo is designed to cut out to avoid CPU overheating, but now there is nothing happening at all when I hit the power switch. No fans or lights activate.
The 300w PSU was brand new, so I looked inside and saw the fuse was blackened. Is my PSU the problem here, or I have I done some damage elsewhere?
ASROCK K7S8X mobo
1Gb RAM
Radeon 9700 PRO
Athlon XP 2400
Windows XP Home |
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ttompatz
Joined: 05 Sep 2005
Location: Kwangju, South Korea
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| Posted: Mon Dec 18, 2006 7:03 pm Post subject: Re: PC won't power up |
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| cj1976 wrote: |
I recently rebuilt my PC and it powered up fine, and after about 15 minutes (whilst installing WINXP), it just switched off. I checked inside and there were no visible signs of damage, but the CPU had heated up quite quickly. The mobo is designed to cut out to avoid CPU overheating, but now there is nothing happening at all when I hit the power switch. No fans or lights activate.
The 300w PSU was brand new, so I looked inside and saw the fuse was blackened. Is my PSU the problem here, or I have I done some damage elsewhere?
ASROCK K7S8X mobo
1Gb RAM
Radeon 9700 PRO
Athlon XP 2400
Windows XP Home |
If it was just the mobo cutting out because of overheating then you should be able to power back up after it has cooled down. I suspect that the PSU may be the problem (not to mention probably overworked and underpowered).
Try swapping it out for a 350w. |
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cubanlord
Joined: 08 Jul 2005
Location: In Japan!
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| Posted: Mon Dec 18, 2006 7:53 pm Post subject: |
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your fuse looked black!?>!@?! 
You probably do not have enough power coming from the PSU. You will most likely need a stronger (possibly 400watt) PSU. |
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cj1976
Joined: 26 Oct 2005
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| Posted: Mon Dec 18, 2006 9:49 pm Post subject: |
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| Sorted it. Put in a higher quality 350W PSU and it's all good now. My fault for buying a cheap PSU in the first place! |
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