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New built desktop power problem

Last response: in Components
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February 9, 2013 3:28:56 PM

Hello,
My son has just built his first desktop, however it will not turn on fully. He had connected the 24 pin but as he didn't have a 8 pin with power supply left it blank. The computer would not turn on so there was one 4 pin connector which he then connected to the 8 pin slot, now the comp turns on and fans start for a few seconds, but no more. Anybody suggest what to do next.
a b ) Power supply
February 9, 2013 3:30:54 PM

can you test the PSU on another PC?

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February 9, 2013 3:32:58 PM

No don't have one only a laptop
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a b ) Power supply
February 9, 2013 4:12:07 PM

here is a link to the paper clip PSU test but basically you want to try to test each part to make sure it works properly, much easier with another PC.

sounds like a PSU or mobo issue (assuming all the connections are made 24 pin, 4 pin or 8 pin to the CPU)

http://www.youtube.com/watch?v=5FWXgQSokF4
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a b ) Power supply
February 9, 2013 4:55:11 PM

it should still start and post even with a 4-pin power connector.
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a b ) Power supply
February 9, 2013 4:57:55 PM

dirtyferret said:
it should still start and post even with a 4-pin power connector.


possibly so

but i couldnt say 100% sure that it would

i know some motherboards would but have no way of knowing if every single 8 pin board will
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February 9, 2013 4:59:11 PM

thanks will try the adapter and see how it goes from there
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a b ) Power supply
February 9, 2013 5:02:20 PM

alivalentine said:
thanks will try the adapter and see how it goes from there


no problem

dirtyferret may be right

but trying a £3 adaptor first just to see could save a load of mucking about
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February 14, 2013 9:59:00 AM

Right I got the adapter today and still the same thing is happening.
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!