PC shutdown

Here is my case:

I change my motherboard and cpu, the motherboard was sabertooth z77 and cpu i5-2500K, i reformat my hdd and add in window 7 32 bit. The full spec of my pc:

i5-2500K
MoBo: Sabertooth z77
GTX 460
Kingston RAM 1333mhz 6G

The problem arise when i tried to browse Firefox, it will shutdown (improper way), however, when i used IE or Chrome to browse, no problem at all. Then when i try to run Diablo3, its shutdown again, this time i can heard the fan of CPU sound loudly before shutting down. I checked my temperature, its look ok and this is a new rig, i don't think it is temperature issue.

Ya, i am using CPU cooler Hyper 101.

Any idea what's wrong with my pc?

Thanks.
3 answers Last reply
More about shutdown
  1. Whats the temperature you are getting on idle and load? Did you properly install the cooler onto the CPU chip including thermal paste?
  2. Why are you using 32-bit with 6 GB of RAM?????
  3. BadTrip said:
    Why are you using 32-bit with 6 GB of RAM?????

    Actually I installed 64 bit window, i reinstalled to 32 bit after what have happened, well it seem like 64 or 32 the problem still the same.

    I noticed that before my pc shutting down, the monitor screen turn white and a bit grey, is it CPU problem or GPU problem?
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