Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > Hey guys im having problem putting my pc all back together. I added a
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kromesta   08-07-2009 at 09:14:04 AM

hey guys im having problem putting my pc all back together. I added a fan controller, and nothing works anymore.

when i turn it on, the only thing that lights up is the ram led and psu switch lights up (psu fan led doesnt light up though). Everything else wont start. cpu led doesnt light up the power led wont light up. the cpu cooler doesnt turn on. and also all the other fans wont turn on. gpu wont turn on which means monitor is black.

what could be the problem?

my specs are:

haf 932
gigabyte ex58 ud4p
i7 920
corsair dominator 3x2gb 1600mhz
cooler master v8 cpu cooler
gtx 275
ocz gamexstrem 850w psu

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masterjaw   08-07-2009 at 09:17:28 AM

Have you checked all plugs and cables for loose connection?

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kromesta   08-07-2009 at 09:25:07 AM

i didnt touch any of the psu connectors to the mobo or graphic cards.. the only thing i took out was the molex connector to the front/side/top fans. i hooked it all up on the controller then hooked up the fan controller to the psu

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masterjaw   08-07-2009 at 09:29:58 AM

Have you tried disconnecting the fan controller from the system and turn it on?

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kromesta   08-07-2009 at 09:43:51 AM

trying it out now. hope fan controller didnt destroy my pc

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kromesta   08-07-2009 at 09:49:32 AM

no luck same result :(.. its so frustrating

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kromesta   08-07-2009 at 09:51:00 AM

the only difference is the rear fan turns on for 2 seconds then back off... everything else is the same result


Message edited by kromesta on 08-07-2009 at 09:51:51 AM
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daship   08-07-2009 at 09:55:38 AM

wELL IF YOU DIDNT HVE THE psu OFF AND DRAINED ITS LIKELY YOU SHORTED IT OUT.

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masterjaw   08-07-2009 at 10:02:10 AM

Try another PSU. Borrow from your neighbors. ;)

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joemamassmurf   08-07-2009 at 10:34:55 AM

It cold also be the molex is grounding somehow, but it definately sounds like a short circuit somewhere

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joemamassmurf   08-07-2009 at 10:37:44 AM

Unplug everything except 1 stick of RAM, your video card, processor, PSU, and heatsink, and see if it works, if it does, then something you unplugged is either grounding out or bad.

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davecarp   08-07-2009 at 12:07:41 PM

i would try and put in a different power supply. mabye the fan controller you put in blew out the power supply.

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swifty_morgan   08-07-2009 at 02:33:40 PM

Are you sure you tried to push in ALL the power connectors and cables.... IDE/SATA, etc ? On the board and on the devises themselves.

And how does the fan controller get it's power ? Molex connector or usb connector.....

Reply to swifty_morgan
Paperdoc   08-07-2009 at 02:40:59 PM

When doing the work, did you disconnect the power cord from the wall? If not, do that - or unplug that cord from the back of the PSU, and leave it disconnected for 3 to 5 minutes. Then plug back in and try the front power button.

 

I've had odd cases where my PC seems absolutely dead - won't respond to the front pushbutton at all. But after being unplugged long enough for all the PSU output to decay to nothing, it stars up just fine. I hypothesize it somehow gets its BIOS confused in the portion that is still live end monitoring signals to start up again.

Message quoted 1 times
Message edited by Paperdoc on 08-07-2009 at 02:41:22 PM
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joemamassmurf   08-07-2009 at 10:18:46 PM

Paperdoc wrote :

When doing the work, did you disconnect the power cord from the wall? If not, do that - or unplug that cord from the back of the PSU, and leave it disconnected for 3 to 5 minutes. Then plug back in and try the front power button.

I've had odd cases where my PC seems absolutely dead - won't respond to the front pushbutton at all. But after being unplugged long enough for all the PSU output to decay to nothing, it stars up just fine. I hypothesize it somehow gets its BIOS confused in the portion that is still live end monitoring signals to start up again.




I've had that happen as well

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kromesta   08-08-2009 at 02:29:29 AM

hey guys ive fixed the problem, i tried alot of different things so im not sure which one actually fixed the problem. but i first resetted the cmos then did what paperdoc said, i also re-plugged all the connectors. and it was working again


Message edited by kromesta on 08-08-2009 at 02:31:21 AM
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