Monitor looses signal, (GPU or CPU) fan goes 100% and computer shuts down.

It only started happening recently, but sometimes my computer will loose signal to the monitor, the fan will go into over drive (unsure if GPU or CPU fan) and the PC will restart.

Its not a consistent thing, it can happen at any time, for example;

I will be playing a game, 5 minutes in and the problem will occur.
I could be editing in AAE6 and often the shutdown will happen.
Sometimes it even just happens when im browsing the web.

Specs are as follows:

Mainboard: Asus P8Z68-V LX
Chipset: Intel Z68
Processor: Intel Core i7 2700K @ 3500 MHz
Physical Memory: 16384 MB (4 x 4096 DDR3-SDRAM )
Video Card: NVIDIA GeForce GTX 560
Hard Disk : Seagate ST2000DL003-9VT166 ATA Device (2000GB)
Hard Disk : Western Digital WD2002FAEX-007BA0 ATA Device (2000GB)
CD-Rom Drive: ATAPI iHBS212 2 ATA Device
CD-Rom Drive: ATAPI iHBS212 2 ATA Device
Monitor Type: Samsung SAMSUNG - 22 inches
Network Card: Realtek Semiconductor RTL8168/8111 PCIe Gigabit Ethernet Adapter

Willing to try anything to help get this resolved, and open to suggestions.

Thanks in advance.
4 answers Last reply
More about monitor looses signal gpu cpu fan 100 computer shuts
  1. You failed to list your power supply....
    That is just as important a detail...
  2. Because of the current situation i cannot open my PC case. Is there anyway to find out my PSU or PSU wattage without opening the case ?
  3. If you have all the bills from the build you should at least have a manufacturer and possibly a model or watts.
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