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HELP! I don't know why my GTX 660 keeps crashing!

Last response: in Graphics & Displays
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AMD FX-4100
Windows 8 (6.2) 64-bit (Build 9200)
CPU Arch : 1 CPU - 4 Cores - 4 Threads
CPU PSN : AMD FX-4100 Quad-Core Processor
CPU EXT : MMX(+), SSE (1, 2, 3, 3S, 4.1, 4.2, 4A), x86-64, AMD-V, AES, AVX, XOP, FMA4
CPUID : F.1.2 / Extended : 15.1
CPU Cache : L1 : 2 x 64 / 4 x 16 KB - L2 : 2 x 2048 KB
CPU Cache : L3 : 8192 KB
Core : Zambezi (32 nm) / Stepping : OR-B2
Freq : 4001.31 MHz (205.2 * 19.5)
MB Brand : ASRock
MB Model : N68-VS3 FX
NB : NVIDIA GeForce 7025 rev A3
SB : NVIDIA nForce 630a rev A2
GPU Type : NVIDIA GeForce GTX 660
GPU Clocks : Core 549 MHz / RAM 3469 MHz
DirectX Version : 11.0
RAM : 8192 MB DDR3 Dual Channel
RAM Speed : 684 MHz (3:10) @ 9-9-9-21
Slot 1 : 4096MB (10700)
Slot 1 Manufacturer : Elpida
Slot 2 : 4096MB (10700)
Slot 2 Manufacturer : Elpida

BF3 crashes after a couple minutes in playing

More about : gtx 660 crashing

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CPUs Master

Settings for CPU and memory should be at the default AUTO settings. Then bot the system and make sure the GPU is set to stock as well. If you change the GPU settings, restart the system afterward.

With everything at stock, fire up a game and you temperature monitor application and play for a bit. What temps are you getting up to.

If all is well after some extended playtime, you can try tweaking your CPU and GPU. Only work on them one at a time. Make small changes and test for stability after each change.
CPUs Master

Don't OC your RAM (I never recommend it). OCing memory can lead to all sorts of stability issues. Besides, the gains are minimal. Stability is more important. You also get much larger gains from OCing your CPU and GPU. So, just leave the memory at AUTO and focus on the CPU and GPU.
CPUs Master

I don't recommend OCing with the stock (a.k.a. OEM) heatsink. Those really aren't designed to handle the additional heat that gets generated by OCing. You should use an aftermarket heatsink (like the Cooler Master 212 EVO that many folks use).
CPUs Authority

as has been said start by removing any overclock and test for stability. If its still unstable its probably your psu. What exact brand is your PSU? stick with reputable brands like Antec, Corsair, Seasonic. a cheap 480w psu can often perform like a 300w psu, you could even risk it blowing up and destroying other components with a power spike.
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