PC turned off instantly during light gaming and won't turn back on, could it be the motherboard and is there an easier fix?

Jul 15, 2018
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PC Specs:

Asus Maximus VI impact mini ITX Mobo

Intel i7 4770k CPU

Nvidia GTX 970 GPU

Can't remember the ram but something compatible since it's been in use for years.

Something like this has happened before and replacing the psu solved it so I started there but it hasn't fixed the issue, I'm assuming I've installed it correctly as I've done a few now.

I'm thinking the psu has taken something else with it, possibly the motherboard. I compared it with the mobo in another pc that has the same parts except the ram and there should be a lit start button on there, however a plug in usb fan works even while off so some power is getting in, but not to switch it on?

I thought about replacing the mobo for the same one but it's basically not available anymore, if I could even replace it would it work? A more modern one would likely need a new CPU at minimum, maybe more and that's getting expensive and complicated.

What can I do to fix the pc easiest without needing any sort of reinstallation of windows etc?
 
Solution
Try a jumper cap/paperclip on the 24pin cable with the rest unplugged, that will tell you if you just got a (rare) dud supply.

Usually you should see at least a single revolution of the fan if the board is bad unless your new power supply supports fanless operation.
Jul 15, 2018
2
0
10
Thanks for replying

I have tried clearing the CMOS yes, by removing.the battery and discharging power.

I haven't tried removing the video card yet and will give that a go, can that stop it from starting up?

I probably should have clarified that there is 0 response from the pc when trying to start, not even the new psu fan starting.
 

Try checking all the connections from your power supply to your motherboard, for any dirt in the sockets that might be preventing a proper connection.
 

st4rburst

Proper
May 10, 2018
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0
160
Try a jumper cap/paperclip on the 24pin cable with the rest unplugged, that will tell you if you just got a (rare) dud supply.

Usually you should see at least a single revolution of the fan if the board is bad unless your new power supply supports fanless operation.
 
Solution

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