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Go Back   Apex Community Forums // PC Apex Forums // PC Apex Troubleshooting // Motherboards / CPUs

Motherboards / CPUs Motherboard and CPU help.

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Old 12-July-05, 09:33 PM   #1 (permalink)
Apex Techie Wannabe
Default Power Problem, need help bad.

Ok, I just rebuilt my comp so I could sleeve all of the wires, when I put it back together the power won't come on. The ethernet port in the back lights up though. I tried replacing the PSU and nothing, so i figure it might be the power switch, I replace that, still notta. My specs are:

Biostar U8668 Mobo
480 Watt AG PSU
2.4 Ghz Celeron D
768 mb Ram
Gigibyte Nvidia MX 4000 Video Card
Sunbeam Samurai Case (If that helps)

Please send me some ideas of what might be wrong.
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Old 12-July-05, 09:43 PM   #2 (permalink)
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Welcome to PimpRig............

Kick back and enjoy the show....its gona have Drama in it.....

Please check out the Sweeet Pimp Links..
Post some Pic's........ Check your Jumpers on your motherboard.

Last edited by THRASHER2; 12-July-05 at 09:53 PM..
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Old 12-July-05, 09:50 PM   #3 (permalink)
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Did you plug in the little 4 pin power connector. I'm really not sure about the problem but just a suggestion.
BTW are you getting any error beeps from the mobo?
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Old 12-July-05, 10:01 PM   #4 (permalink)
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I plugged the 4-pin in, and no, no error beeps=( I can't even get any lights or fans to turn on=(
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Old 12-July-05, 11:10 PM   #5 (permalink)
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Well, the first step to troubleshooting is to consider the obvious. You need to check all your connections and make sure they're all firmly connected. When you sleeved, are you sure you didn't clip a wire somewhere? I mean hey, it could've happened. I would next move onto the PSU, but you've already checked that, so moving on.

Obviously you're not getting a signal from your power button to your PSU and motherboard to tell the computer to turn on. My other suggestion would be replacing the power button, but you've tried that, too.

You need to run over your wiring with a fine-tooth comb. Make sure you didn't unplug the CPU fan wire, since some motherboard won't come on without it, make sure that every wire is connected to its proper place.

Are you getting any fans spinning or anything, even for a second? When I fried my Epox 8RDA+ (blew a transistor or resistor), when hitting the power button the fans would spin about 1/4 of a rotation, and then that'd be it. So, your motherboard may be fried.

It's hard for me to troubleshoot this for you, since it's not in front of me.
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Old 13-July-05, 02:11 AM   #6 (permalink)
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I've tried all the connections, tore it all down and rebuilt it again and no the fans won't spin, I do believe I fried it good=( Thx for the help.
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Old 13-July-05, 02:26 AM   #7 (permalink)
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Quote:
Originally Posted by Zephyr4Mayor
I've tried all the connections, tore it all down and rebuilt it again and no the fans won't spin, I do believe I fried it good=( Thx for the help.

Sadly, I'd say you are right. Probably the victim of some sort of static shock to your motherboard during the process. The wristband that grounds you is not a bad idea; where tennis shoes or a general shoe with a rubber sole, and try your best not to work on carpet! I had to learn the hard way in my state of noobness.
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Old 04-August-05, 05:44 PM   #8 (permalink)
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some motherboards go "dead" (msi for example) if there is a power issue or if it was overclocked wrong .. i would try 2 things

boot the mb outside of the case ( to make sure there are no grounds)

pop the bios battery for a couple of mins... and check the manual to see if there are any other jumpers that neeed to be reset
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