Motherboard deceased? Or something else wrong.

FyrexNL · Jul 10, 2014

Hello,

I'm trying to figure out whether or not my motherboard has died or whether it's something else.

Two days ago had suddenly turned off. On/off button did nothing, turning PSU off and on did nothing. After several hours as well as removing the GPU, HDD and ram I tried turning it on to see if my PSU had died or not...well it seems it did and it kinda blew up with a bang.

Now I had an identical PSU and switched out the old one for the other one and tried it once again. Everything seemed to turn on just fine so I put everything back in. But it seems everything was not fine. All the fans and lights etc are all running but the system isn't actually booting up. Further more, as soon as I turn the PSU on everything starts running and keeps running, as if I pushed the on/off switch on the case. I have even switch out everything into a different case in case the on/off switch was broken, but the same thing happens in the new case. Turn the PSU on and everything starts running, fans spinning etc. But it doesn't actually boot up. On/off switch again does absolutely nothing nomatter how much I press/hold it.

So my question is, did my motherboard get fried or am I overlooking something?

Andrew Buck · Jul 10, 2014

FyrexNL :

Hello,

I'm trying to figure out whether or not my motherboard has died or whether it's something else.

Two days ago had suddenly turned off. On/off button did nothing, turning PSU off and on did nothing. After several hours as well as removing the GPU, HDD and ram I tried turning it on to see if my PSU had died or not...well it seems it did and it kinda blew up with a bang.

Now I had an identical PSU and switched out the old one for the other one and tried it once again. Everything seemed to turn on just fine so I put everything back in. But it seems everything was not fine. All the fans and lights etc are all running but the system isn't actually booting up. Further more, as soon as I turn the PSU on everything starts running and keeps running, as if I pushed the on/off switch on the case. I have even switch out everything into a different case in case the on/off switch was broken, but the same thing happens in the new case. Turn the PSU on and everything starts running, fans spinning etc. But it doesn't actually boot up. On/off switch again does absolutely nothing nomatter how much I press/hold it.

So my question is, did my motherboard get fried or am I overlooking something?

Overclocking? That is not what that does. Clear your CMOS by removing the CMOS battery for a good while and put it back in. A minute should do the trick.

FyrexNL · Jul 10, 2014

Andrew Buck :

Haven't tried any kind of overclocking. I forgot to mention that, I also tried a different battery from the PC I got the other PSU from so it should still be good.

tech-wreck · Jul 10, 2014

it's possible that your PSU took out other connected components when it went. was your GPU powered by a 6 or 8 pin plug from the PSU? that would be a concern.
best thing you can do is get hold of another PC and test each part individually in a motherboard known to be working. if the components are good, your mobo isn't.

FyrexNL · Jul 10, 2014

tech-wreck :

When the PSU actually blew up nothing but the motherboard, cpu, cpu-fan, case-fans and case LED's power/reset buttons were connected. So the other components should not have been affected. After installing a new PSU it started beeping like one would expect it to with no other components installed, so I assumed my motherboard was still fine. Though the GPU could have died when the PC turned off the first time. Oh and it's a 6-pin connecter for the GPU. I could try the GPU from the PC i'm cannibalising the parts from, though I don't understand why everything just turns on with turning on the PSU and the case power button not responding. I've tripple checked if I did not connect the case wires but I find no flaw in it.

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Motherboard deceased? Or something else wrong.

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