PC will restart at random timess. CPU Led lights up and GPU fan maxes out

As stated, whenever I play high end games such as Assassin's Creed 4, Crysis 3 or even browse
the internet.

My monitor will say no display detected and my CPU Led will light up while my GPU
fan will max out and get real loud.

The only way to get back to my PC is by turning it off completely.

I've made sure all cables are connected properly and I've also cleaned out any dust, I've had this
computer for 9 months which I built and it only started doing this last month. Any help would be greatly appreciated.

CPU: Intel i5 4430 @ stock 3.0ghz
GPU: AMD R7 260x @ stock clocks
RAM: 8gb 1333mhz
PSU: Corsair RM 850w
HDD: Seagate 1tb
6 answers Last reply Best Answer
More about restart random timess cpu led lights gpu fan maxes
  1. sounds like a overheating gpu.check psu and temps.
  2. Thing is though is that I checked my temps and out of games it stays at 23-24 degrees and never goes over 55 in game. I already tested with another PSU and the same problem occurs.
  3. did you check gpu temps and cpu temps?
  4. Try running speccy, in the background or on a 2nd screen whilst running a game briefly.. you'll see all temps! I had the same issues, chipset cooler was not fitted flat onto northbridge chip! got to 90+deg and reboot/shutdowns. reseated cooler with some arctic silver - steady as a rock since!
  5. I'll try out speccy and report back thanks!
  6. Best answer
    You said it happens even when you browse the web that means it has got nothing to do with the load on your PC. I think its something else. I am also having quite similar issue with my PC. You said it only started doing this last month, then remember what new changes you made to your PC. Like installing new driver software or any installation of bios for any device. It maybe the fault of hardware or software. Chances are 60/40.
    Check out my thread, you think your issue is similar to mine?
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