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Weird problem with computer

post #1 of 5
Thread Starter 
I used to have an antec 300 case installed in my system and the spec is in my signature, ran flawless without any issue. Recently due to lack of USB 3.0 front panel, I pull my trigger on a corsair carbide spec-01 for $34.99 after rebates and also bought 4 cooler master silent 120mm fan for $7.99 after rebates. I installed everything and it works flawlessly. Just couple weeks ago I decide to disconnect all my cables to bring my case downstairs to my garage to do cleaning with compressed air, brought it back up reconnect the cable and nothing happens when I press the power button. I thought something was loose, reconnect my cable and then the system went back again. I got curious and then turn off the power for my surge protector, where all all my other device such as speakers, monitor and printer connected to for 5 minutes, and then turn on the power again for the surge protector, all my devices turned on without any issues, except for my desktop. I then have to turn off/on the power for the serge protector several times before the system will power on again. I even try to plug directly into the wall outlet without going through the power surge protector and the same thing happens, even with swapping a new power core. So right now I'm puzzled. Could it be the power supply or the motherboard is having problems?

One extra thing I noticed is that if I leave my speaker on when the desktop is power down and with power position for the power supply to be off, turning back on for the power supply and the speaker will make a small bloop sound. So does this mean the power supply is good, but then something wrong with the motherboard? The same thing goes for my USB wireless adapter, where if I turn on the power position for the power supply, the light will be on. Maybe the motherboard is having problems?

As long as I don't turn off the power position for the power supply or the surge protector, the system will power on/off without any problems and 100% stable with no crash. Any suggestions?

Thanks
Edited by marik123 - 9/29/15 at 10:34am
post #2 of 5
Try dismantling the build and reassembling outside of the case to bypass any case-related issues.

Also, it is very possible that your air compressor sprayed some very damp or even water-laden air onto your components due to humidity and/or cheap compressor sealing.
Lil' Roy Taylor
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Lil' Roy Taylor
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post #3 of 5
Thread Starter 
Thanks, I will try the outside case method when I get off work tonight. The compress air I used was in a can form, not a compressor.
post #4 of 5
Thread Starter 
After 3 weeks of going back the forth, finally figured it out was the 24 pin power connector got loose. Only 20 pin got fully connected into the plug while the other 4 pin is not fully connected to the motherboard. As soon as I push that in fully, everything works as intended. thumb.gif
post #5 of 5
I'm glad you were able to find a solution. biggrin.gif
Lil' Roy Taylor
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Lil' Roy Taylor
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