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Old 03-20-2009, 12:32 PM   #1
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Default Fans momentarily spin, but no power.

I don't know what is wrong. I've checked everything. All my hardware was working just a short while ago. I transferred everything over to the new case and it began happening. Any ideas? All the cable are properly in and the connections are secure. I used standoff to mount the motherboard with screws and washers that came with the case. The RAM is seated properly.
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Old 03-20-2009, 12:55 PM   #2
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Default Re: Fans momentarily spin, but no power.

do you have a different power supply you could try? that would eliminate the power supply being the problem
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Old 03-20-2009, 01:35 PM   #3
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Default Re: Fans momentarily spin, but no power.

Dead PSU is what is it sounds like to me.
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Old 03-20-2009, 02:25 PM   #4
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Default Re: Fans momentarily spin, but no power.

The power supply was working an hour ago before I switched over. I can see the motherboard lights, but there is no constant supply of power.
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Old 03-20-2009, 03:21 PM   #5
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Default Re: Fans momentarily spin, but no power.

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Originally Posted by rohan23 View Post
The power supply was working an hour ago before I switched over. I can see the motherboard lights, but there is no constant supply of power.
That has happened to me before. Exactly what you are describing. Actually, I've had it happen to me twice (both PSUs were Bestec).
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Old 03-20-2009, 03:24 PM   #6
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Default Re: Fans momentarily spin, but no power.

happening to me now i don't know how to fix it. Ever since i changed my pc over to a new case. Did static get to the board and fry it?



what is the new case anyway
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Old 03-20-2009, 03:32 PM   #7
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Default Re: Fans momentarily spin, but no power.

It's a Cooler Master Cosmos 1000. A lot bigger than my previous Antec 900. I'm going to have to do a bit of modding to help with the cable management. I'm thinking about taking it all apart and painting it a pearlescent black. I was just want to get it working first, haha.

http://www.newegg.com/Product/Produc...82E16811119138

So, here is an update. I tried the barebones trick. Everything started working fine until I plugged in my 4 pin cable into my PSU. I have a modular power supply. Everything works until that goes in.
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Old 03-20-2009, 04:36 PM   #8
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Default Re: Fans momentarily spin, but no power.

Quote:
Originally Posted by rohan23 View Post
It's a Cooler Master Cosmos 1000. A lot bigger than my previous Antec 900. I'm going to have to do a bit of modding to help with the cable management. I'm thinking about taking it all apart and painting it a pearlescent black. I was just want to get it working first, haha.

http://www.newegg.com/Product/Produc...82E16811119138

So, here is an update. I tried the barebones trick. Everything started working fine until I plugged in my 4 pin cable into my PSU. I have a modular power supply. Everything works until that goes in.
Do you have a spare? If not, you could do with getting hold of one to test it. It could well be the piece that is causing the problem (a colleague of mine had a similar problem with the same type of cable in his modular PSU).
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Old 03-20-2009, 04:38 PM   #9
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Default Re: Fans momentarily spin, but no power.

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Do you have a spare? If not, you could do with getting hold of one to test it. It could well be the piece that is causing the problem (a colleague of mine had a similar problem with the same type of cable in his modular PSU).
It works fine with another power supply. Is it a short circuit problem?

Another update. The computer doesn't boot with the hard drives plugged in. What does this mean?
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Old 03-20-2009, 04:41 PM   #10
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Default Re: Fans momentarily spin, but no power.

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It works fine with another power supply. Is it a short circuit problem?
Quite possibly, that would cause the computer to not power up. There are three possible problem pieces - the cable itself, the connection on the PSU or the connection on the motherboard. Seeing as using another power supply resolves the problem, that leaves only the cable and the connector on the PSU. Having another cable to test with would help eliminate one or the other.
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