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Old 10-14-2008, 11:28 AM   #1
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Default PC not turning on

I have a older pentium 4 rig that is not powering on but there is green lights on the motherboard. specs are as follows
p4 1.7 GHz socket 478
old ass asus mobo with agp
512mb ddr 3200
400 watt psu
dvd rom and cd writer
geforce 4 mx 400
I have tried switching the ram graphics card and psu.
I have another 2.2GHz Celeron that I could use with this but im not sure if the fsb will conflict with the old board.
im am not exactly sure of the mobo's model number, i will post it later on
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Old 10-14-2008, 07:10 PM   #2
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Default Re: PC not turning on

i know when my computer did this it was the power supply, motherboard AND the cpu all burnt up at the same time lol total cost for repair was 200
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Old 10-14-2008, 07:49 PM   #3
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Default Re: PC not turning on

it might just be your monitor
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Old 10-15-2008, 11:20 AM   #4
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Default Re: PC not turning on

no, I have tried 3 monitors.
and it works with my other PC.
and other sugestions?
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Old 10-15-2008, 05:02 PM   #5
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Default Re: PC not turning on

How did you mount the motherboard onto the case? If you didn't use the right type of screws or the right washers. It will short.
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Old 10-16-2008, 05:46 AM   #6
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Default Re: PC not turning on

I say power supply.

Although it IS odd that the mobo has power. Does ANYTHING happen when you push the button on? Any fan movement, sounds, lights?
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Old 10-16-2008, 08:44 AM   #7
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Default Re: PC not turning on

Quote:
Originally Posted by rohan23 View Post
How did you mount the motherboard onto the case? If you didn't use the right type of screws or the right washers. It will short.
sounds like a prebuilt to me, so I doubt he mounted the motherboard himself, and it seems to be a recent problem after years of usage, probably not a short...
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Old 10-16-2008, 09:56 AM   #8
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Default Re: PC not turning on

no, its not prebuilt, and I checked the standoffs and they were placed correctly
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Old 10-16-2008, 11:33 AM   #9
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Default Re: PC not turning on

I would say PSU. As someone asked above. Do any of the fans come on?
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Old 10-16-2008, 11:41 AM   #10
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Default Re: PC not turning on

Quote:
Originally Posted by goeatspam View Post
I have tried switching the ram graphics card and psu.
i dont think its the PSU since he said he tried switching them.

Try using a different board or CPU.
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