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My computer keeps freezing?

My computer freezes sometimes randomly, but mostly when i'm playing BC2. When I freeze, the screen locks, sound stops, num lock light is on but don't change when i push numlock. Mouse has light but does not move, neither does keyboard seem to have any effect.
I just build this computer about a month ago, completely new running windows 7 ultimate (7600).

Parts are as listed :

-Western Digital Caviar Blue 500GB 3.5" SATA 3.0Gb/s Internal Hard Drive -Bare Drive
-G.SKILL NS 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Desktop Memory (only using 2gb, currently RMAing the other)
-ASRock 870 EXTREME3 ATX AMD Motherboard
-SAPPHIRE Radeon HD 5850 Xtreme 100282XTREME Video Card with Eyefinity
-AMD Athlon II X3 450 3.2GHz Socket AM3 95W Triple-Core Desktop Processor
-Rosewill RG630-S12 630W "Compatible with Core i7,i5" Power Supply
-Rosewill DESTROYER Black Gaming Computer Case

Temperatures when i play games does not exceed 50C. This goes for both my CPU and GPU.

Have newest drivers for everything.

Ran prime for 1 hour, no problemo. Memtest 200%, no problem. Only other thing i haven't tried is for gpu.

Does anyone suspect any possible problems? If need additional info please leave comment.
Thank you all

Edit : No Overclocking at all
7 answers Last reply Best Answer
More about computer freezing
  1. Best answer
    I can't tell you for sure, but I would bet it's that 2GB of ram. BC2 is a pretty demanding game, and it uses lots of ram. Get that other stick in there! Like I said I don't know for sure, but i'd bet that's the issue.
  2. :( can't be when i'm playing it i checked and still had 300 free ram.
    I'm suspecting the GPU, any suggestions how I check it? I have no other system to put it in to check by the way.
  3. is it the components getting too hot? look at thier maximum operating temperature 50 degrees is quite high for what you are using

    tbh i use an old freeser to cool my PC down and i stay around 1 to -2 degrees

    but keeping them at 30 would be best
  4. Temperature under 50's pretty good for some one who don't have a freezer to cool the pc down :P.

    Is there anyways to test the GPU or PSU?
  5. I have this exact problem as well. This happened to me a couples months ago, but the problem still exists. I RMA'ed my 6950 and got a replacement, switch power supply from an Ultra x4 to Corsair.

    My specs:
    -AMD 1090t @3.8ghz
    -6950 2GB
    -Corsair 850hx
    -GSkill 8GB RAM
    -Western Digital Caviar Black 750GB
  6. ic500 said:
    I have this exact problem as well. This happened to me a couples months ago, but the problem still exists. I RMA'ed my 6950 and got a replacement, switch power supply from an Ultra x4 to Corsair.

    My specs:
    -AMD 1090t @3.8ghz
    -6950 2GB
    -Corsair 850hx
    -GSkill 8GB RAM
    -Western Digital Caviar Black 750GB


    It's such a frustrating problem :'(. Stressed my GPU, and everything. Looks like it's not gpu.
    so...i guess I'll just have to wait for time to tell.
  7. Best answer selected by Vincedow.
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