Computer keeps crashing


I have this homemade computer :

CPU : i5 2500k
CPU cooler : Hyper 212+
Motherboard : GA-Z68XP-UD3P Z68 R
Ram : 8gb Corsair 1600
HDD : 1Tb Hitachi
PSU : 900W Antec
SSD : Crucial M4 64gb

And recently, it won't stop freezing while only running firefox and Itunes. The application hangs, with the loading mouse signal, but i can switch application for a few seconds before the entire computer hangs. Then I have to reboot by pressing the power button on the case.

Also, I don't know if this is the same problem, but while I was playing Diablo 3, The computer screen turned black with random colored lines in it and a weird sound for a few seconds. Then it rebooted.

I recently tried relocation my user's folder to my HDD to get more free space on my SSD, so I don't know if that could be the problem ( I don't remember running into this issue before).

Thanks !
4 answers Last reply
More about computer crashing
  1. Check your ram. Ram always likes to be annoying. And does your motherboard have dual bios
  2. Have you overclocking recently?
  3. Okay thanks, I will, but it didn't do it since i posted this...

    No I haven't overclocked.
  4. Ok tell me how things work out
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