Is my OC crashing BF3?

Hi guys. So straight to the point. I bought a new system 2 weeks ago, the cpu was overclocked by the company from 3.0 to 3.45, everything fine until I bought Battlefield 3 and it is crashing to the desktop with a error message:

Problem Event Name: APPCRASH
Application Name: bf3.exe
Application Version:
Application Timestamp: 4e9d3315
Fault Module Name: bf3.exe
Fault Module Version:
Fault Module Timestamp: 4e9d3315
Exception Code: c0000005
Exception Offset: 0149c222
OS Version: 6.1.7601.
Locale ID: 2057

When this happens my graphics go all "glitchy" with strange blanked squares and horizontal lines across the screen and colours all over the place. All my applications start to crash at the same time like ie and chrome so only a restart fixes it.

I tried all other know bf3 fixes but nothing works. I ran prime95 and done 2-3 tests. The in-line large gave an error "Rounding was 0.5, expected less than 0.4" and I noticed core 3 was not seeing activity while 1,2&4 where 100% usage. During this time I also noticed the same "glitchy" interface in apps.

I ran the blend test also but it was fine for 30 mins or so with all cores at 100%. My core temps do not exceed 40c in any test.
Then I tried another "in-place" test but I got a blue screen crash which read:

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.
Locale ID: 2057
Additional information about the problem:
BCCode: 101
BCP1: 0000000000000030
BCP2: 0000000000000000
BCP3: FFFFF88003163180
BCP4: 0000000000000002
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

Files that help describe the problem:

PC spec's:

Mainboard : ASRock N68C-S UCC
Chipset : (Family 10h) Athlon/Opteron/Sempron/Turion HyperTransport
Processor : AMD Athlon II X4 640 @ 3000MHz (OC'ed to 3450)
PSU: Corsair CX 500w (v2)
Physical Memory : 4096MB (1 x 4096 DDR3-SDRAM )
Video Card : NVIDIA GeForce GTX 460 v2 (1GB)
Hard Disk : Seagate ST350041 8AS SCSI Disk Device (500GB)
Operating System : Windows 7 Ultimate Professional Media Center 6.01.7601 Service Pack 1 (64-bit)
Nvidia Driver: 285.79

So I am thinking of down-clocking a little, reset to default 3.0Ghz or upping the voltage to get it stable but I have never done it and have no idea how the guy who built it did it either, I am thinking through the BIOS.

Here is a CPU-Z shot of my current system:
3 answers Last reply
More about crashing
  1. Try running the card at a stock standard.

    Report back if it has solved your issues.

    Also be sure your GPU is using the latest BIOS, updating the BIOS on my GPU fixed all my BF3 crashes.
  2. I think the gpu is fine, its a Palit GTX 460 v2, stock overclocked at 778mhz. I am wondering where I would get the flash bios for it? Its running the latest nvidia drivers but I cant find any flash for the palit 460v2 at all.

    Can anyone tell me how to reset my cpu to stock speeds?
  3. Great news!!!!!, I set the clock speeds back to 3.0GHz and the crashing stopped! Now that I know thats what causes it I think ill set it back to 3.4 and turn up my voltage to around 1.4-1.45 to see if i can get it stable without temps going to high =)
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