pc shuts itself off

] Hi guys!
I'm having this problem that when I start the computer shits goes down.
MemOk, Vga-led and boot-device-led on motherboard all turns red when I start it. Now a couple of seconds later the computer just turns of. Some rare times Im able to get into the computer from sometimes a couple of minutes to many hours but eventually it just ends up shutting down. No error or blue screens appear either and I really don't have any clues to fix this so any help would be appreciated!!

my main specs are:
fx8150
gtx 690
1200w chieftec nitro series
16gb ballistix tactical ram
Asus m5a99fx r2
7 answers Last reply
More about shuts
  1. its either a psu fault or something (cpu-gpu) is overheating
  2. try reading the psu voltages through bios if are within range and check temps
    especially if the 12v rail drops to low, pc immediately shuts down
  3. after a bit of a searching i found that your psu has 1year warranty. i smell low quality here components.!:(

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817202018 is this your psu?
  4. Tradesman1 said:


    very nicely written! very helpful!
  5. Tnx for answers and useful links.
    no, THIS is the psu http://https://www.komplett.no/chieftec-nitro-series-bps-1200-1200w-psu/601848 (in norwegian but just look at pic) I think it has 3 years warranty, and I have used it for 1,5 year already I think

    I stress tested the cpu first and everything went well and even though the voltage increased didnt anything happen so im not sure.
    Stress tested vga with furmark after that and the screen immediately turned black, but when I stress test it NOW everything works well so I guess the pc swaps when it want to be an a**hole.
    I also took the temps during stresstesting and nothing wrong with them.
  6. crippie said:
    Tnx for answers and useful links.
    no, THIS is the psu http://https://www.komplett.no/chieftec-nitro-series-bps-1200-1200w-psu/601848 (in norwegian but just look at pic) I think it has 3 years warranty, and I have used it for 1,5 year already I think

    I stress tested the cpu first and everything went well and even though the voltage increased didnt anything happen so im not sure.
    Stress tested vga with furmark after that and the screen immediately turned black, but when I stress test it NOW everything works well so I guess the pc swaps when it want to be an a**hole.
    I also took the temps during stresstesting and nothing wrong with them.


    i dont think is a ram issue. have you tried to read the voltages? hw monitor and see if 12v drops when on furmark
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