Computer suddenly stopped working, now works (?) again

  1. Hey everyone.

    I have a problem with my desktop PC.
    A few weeks back it suddenly stopped working one day and I wasn't able to turn it on (nothing happened when I pressed the power on button). I tried unplugging everything, resetting the CMOS, installing a new power cord but nothing helped. I tried doing everything above again 3 days later but it still didn't work.

    A week after this, I randomly tried turning my computer on, and it actually worked fine - for a few hours, before it turned off by it self and wouldn't work. Of course, it didn't work the following week after, either. It started about a month ago and just today I tried turning it on again, surprised to see that it actually works (it has been running for 1 hour now). Something I noticed is that the fans seems to be spinning faster and are louder than normal.

    I checked the tempatures and they looked like this: (see added screenshot)

    My PC specs are the following:

    Windows 7 Ultimate 64 SP1
    AMD Phenom II X4 965 3,60 GHz
    4,00 GB DD3
    Radeon HD5850
    Gigabyte Ultra Durable 3 GA-870A-UD3

    Does anyone have a clue what's wrong?

    Any help would be greatly appreciated.

    Sorry if it all sounds confusing, but this is the best I could describe it
  2. Cobalt006

    Cobalt006 TS Evangelist Posts: 1,777   +241

    Have you tried another power supply for it?
  3. FrederikNeertof

    FrederikNeertof TS Rookie Topic Starter Posts: 37

    No, I haven't :)

    Is there a way to check if its the power supply that's causing the problem without replacing it?
  4. Cobalt006

    Cobalt006 TS Evangelist Posts: 1,777   +241

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