Random Shut Downs

[SUPERDALEJR88]

Asus z97 pro mother board

Intel i7 4970K processor

Gigabyte GeForce GTX 960 graphics card

Samsung 250 GB SSD boot drive

WD 1 TB HDD storage

Corsair H100i GTX cooler

EVGA 650w power supply

ThermalTake core V71 case

16 GB gskill 2133 DDR3 memory

About a week ago my computer started shutting off randomly after about a 1/2 hour of use. I started it up again but monitored the temps and all of my cores according to thermals on the CPU were fine (about 40 degrees C) and so were the packages, but on two of the 4 "temperature #x" (according to my mother board thermals) were bouncing between 80 and 100. So on my CPU the temp was fine but the motherboard the temp was high. The problem persisted even on idle or in the BIOS, so I bought a new AIO liquid cooler. I unplugged and re plugged everything back in internally and moved it to a better ventilated area. It ran for about an hour without a problem, then started happening again. I cleaned off the thermal paste and tried again but still had the same results. I then took out the graphics card, a stick of ram, cleared my CMOS, and still ran into the problem. It shuts down and then instantly starts back up but doesn't post or show anything. I'm running a stock 4 GHz. I've read that it can either be a defective power supply or a defective CPU, but I'm lost as to which it could be and I don't want to spend $400 to replace both.

[Mood]

Had a case similar to this, For me it was my PSU. I try that first.

[SUPERDALEJR88]

Had a case similar to this, For me it was my PSU. I try that first.

Did you get another one under warranty or did you have to buy a new one?

[Mood]

Did you get another one under warranty or did you have to buy a new one?

Mine was a used one from a family member so I just bought a new one

[Captain_WD]

~snip~

 

Hey there,

 

I'd look for a guideline on how to test your PSU if it's functioning properly. You can also take the motherboard to a technician to make sure it's healthy and working fine. Performing a stress test can also show you if any of the parts are damaged or not performing correctly. 

I'd back up the data from the storage drives jsut to be on the safe side if the PSU is bad and decides to damage other parts.

 

Captain_WD.