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Need second opinions on pc not posting

Salatheon

Member
Going to make this quick. Yesterday built a computer for a friend, only issue was the kraken x62 cpu cooler was a pain to install, everything else was easy as. Installed windows, installed drivers and then went to bed. Got up this morning to put some games on for him and pretty much nothing.

I powered the pc on and it turned off then back on, now sits there with no post and all the lights and fans power down for a split second then just do that over and over.

Reseated everything, took ram and gpu out and still the same. I am about to pull my psu put and use that and run the motherboard on the desk not in the case. Any other ideas?

Specs below.

Intel 8600k
Gigabyte aorus gaming 5
Gigabyte geforce 1070ti
16 lgb corsair ram
Corsair rm750x psu
Samsung 960 500gb m.2. Ssd
No other drives at all
 
Tried another psu, exactly the same and then took the motherboard out and ran it out of case and the same. Thinking I'm looking at a bad motherboard. Not sure how it could work 1 day and then dead the next.
 
Have you unplugged the power cord and then removed the Cmos battery? (let it sit for at least a few minutes).
 
That board has a clear cmos jumper. Try that instead of just removing the battery. Also do you have a speaker hooked into the front front panel header. That may give you a good idea as to the error. If you still don't hear anything or get a boot, take the board out of the case and see if it boots with cpu, 1 stick of ram, and onboard video out only.
 
Tried the battery out for ages. Done a clear cmos jump. Its out of the case atm and had a speaker in and no beeps at all. I'm pretty sure its a dead motherboard. Cheers for the advice guys. Just no idea how it could work and then just stop the next day.
 
Well, did you check and test the CPU cooling, when you left it running? Maybe it overheated and cooked itself? Seems kind of unlikely. You do know that just because the 8700K doesn't come with a heatsink, doesn't mean that you don't need to use one.

Edit: Is this one of your first PC builds, or are you an experienced (more than 10) builder?
 
Pretty experienced. As per original post where i said the kraken x62 cpu water cooler was a pain to install so yes it did have cpu cooling installed. Temps were fantastic at 35 degrees celsius. And nothing was fried as was working fine when powered down. thanks though
 
What does it do if you remove all ram, cards, and CPU? Same symptoms? If the same symptoms, I would say motherboard as well.
 
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