Please help, struggling to solve powering off problem!

RhintuNZ · Oct 8, 2014

I put my computer to sleep and the next day it stopped working, currently it turns on for about 30 seconds to a minute and then just shuts down. The DVI output of my graphics card isn't sending a signal to my monitor either (sometimes, sometimes it works). I'm trying to problem solve and figure out where the fault is and this is what I've done; I swapped the GFX card into a different desktop to see if it was a dead card (the fans still turn) and it worked so it's not the GFX, then I tried swapping my PSU out for one from a different computer and the same problem of just powering off occurs. I have now tried putting a different PSU in my PC and a different GFX card and the problem continues.

These are my specs please someone help me figure this out.

My Computer:
Motherboard: Asus P6T
PSU: HX620W
Graphics Card: GTX 260
CPU: i7, 2.7GHz x 8 (Think)
SSD: 120gb
Ram: 6gb DDR3
OS: Windows 7

DookieDraws · Oct 8, 2014

Have you unplugged it and plugged it back in and then turned it on to see if that helps? Try it and see if this helps.

RhintuNZ · Oct 8, 2014

Yeah, many times.

DookieDraws · Oct 8, 2014

Have you had any issues recently other than this? Sounds like there could be a short somewhere.

RhintuNZ · Oct 8, 2014

So, initially it seemed to be that it didn't power off randomly but the monitor just didn't pick up the DVI signal. I guess after mixing everything around something happened and the powering off issue began. Other than that the computer was working flawlessly, nothing was changed the previous 4 days nothing downloaded or installed the only thing that changed was maybe plugging in a USB mic but the first problem didn't come up until I put it to sleep.

Paul NZ · Oct 8, 2014

Look in event viewer under windows logs / system. Look for any errors about the time this happens. Whats it say?

Is the BIOS on it up to date. How old is it??

RhintuNZ · Oct 8, 2014

I can't get into windows as it just shut down, I don't even think I can get into the BIOS as only SOMETIMES does it actually show a signal on the monitor, i'll have a go now. The BIOS should be up to date if it was working fine before right?

Paul NZ · Oct 8, 2014

This sound like the same prob??

DookieDraws · Oct 8, 2014

Also, with the pc unplugged, check and make sure EVERYTHING is properly seated in the motherboard and all cables are secured in place.

RhintuNZ · Oct 8, 2014

Oh my god. Heatsync has a broken foot and wasn't attaching properly. I hope this is the only problem, thank you for your help guys I'll let you know if it still powers down.

Paul NZ · Oct 8, 2014

May have been overheating, it was shutting down to stop it from frying

DookieDraws · Oct 8, 2014

Your CPU was overheating and this is why it kept shutting down. It's a safety precaution of your CPU. Hopefully that is the only problem you have with that pc.

We're glad to help and good luck from here on!

Edit: I was typing as Paul was posting.

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Please help, struggling to solve powering off problem!

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