Pc turns on then immediately off

grated parmesan · Aug 15, 2017

Just like the title says. I have tried everything on the pc troubleshooting thread, with no luck. I just replaced my faulty motherboard so I'm nervous that there is something else wrong with my computer.

Shektron · Aug 15, 2017

Please list full system specs. This looks like a power issue, either the PSU or the power from the wall itself is bad.

grated parmesan · Aug 15, 2017

Shektron :

i5 4690k
Msi z97-g45 gaming mobo
8gb ram
Gtx 760
Corsair Cx650m psu

Shektron · Aug 15, 2017

Even though that's a good PSU, it might still be at fault here. Did you make sure all connections are tight and done correctly?

grated parmesan · Aug 15, 2017

Shektron :

Yes, I did.

Shektron · Aug 15, 2017

If possible, try to run your PC using a friend's PSU, see if it works then.

grated parmesan · Aug 15, 2017

Shektron :

Alright I'll try that tomorrow, then post my update.

grated parmesan · Aug 15, 2017

Ok I just tried swapping my psu with my brother's to see if that was the issue. My pc still turns off immediately when I turn it on. I even reapplied thermal paste to see if that could be the issue and swapped out my sata cable with a different one in a different port. Still to no avail.

Shektron · Aug 16, 2017

Try removing the graphics card, and attach the monitor cable to the motherboard port. See if that works. If it turns on with the GPU removed, your GPU is faulty. If it still doesn't work, it's either the CPU or the motherboard.

grated parmesan · Aug 16, 2017

Shektron :

It still won't turn on with the gpu removed.

Shektron · Aug 16, 2017

What about RAM? What is your RAM config?

grated parmesan · Aug 16, 2017

Shektron :

I have 4 2gb sticks of ddr3 ram at 1333 mhz.

ianh21 · Aug 16, 2017

switch your ram. or take and place 1 stick in at a time. unplug the the hard drives too.

if that fails, might be a dead mobo.

grated parmesan · Aug 16, 2017

ianh21 :

I tried that, and still nothing. I'm taking my pc to a computer repair place just to get a diagnostic so I at least know what's wrong before I start spending more money.

Shektron · Aug 16, 2017

The only possibilities now are CPU and motherboard, and the motherboard is more likely to be faulty. But yes, a local shop might help speed up the troubleshooting process and finding the faulty component. Whichever component is faulty, though, you'll most likely to be told to return it.

agello24 · Aug 16, 2017

im going with the corsair psu. i had the 750m and it did the same thing. i RMA's it and got a new one.

Shektron · Aug 17, 2017

agello24 :

He has already tried a different PSU, and that didn't solve the problem.

grated parmesan · Aug 23, 2017

Turns out I got sold a dead board. Thank you all for your help!

Shektron · Aug 24, 2017

Glad you could fix the issue!

Pc turns on then immediately off

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