So I recently built my gaming pc. It has been working perfectly for a month. Just today, it's getting BSOD problem. I download whocrashed and it gave me these reports: windows version: Windows 7 Service Pack 1, 6.1, build: 7601 windows dir: C:\Windows CPU: GenuineIntel Intel(R) Core(TM) i7-2700K CPU @ 3.50GHz Intel586, level: 6 8 logical processors, active mask: 255 RAM: 8563650560 total VM: 2147352576, free: 1926479872 Graphic card: Geforce GTX 570 Power Supply: OCZ 750W On Thu 1/19/2012 4:26:20 AM GMT your computer crashed crash dump file: C:\Windows\Minidump\011812-6910-01.dmp This was probably caused by the following module: ntoskrnl.exe (nt+0x7CC40) Bugcheck code: 0x9F (0x3, 0xFFFFFA800AF1F060, 0xFFFFF80004C8B3D8, 0xFFFFFA800D7149D0) Error: DRIVER_POWER_STATE_FAILURE file path: C:\Windows\system32\ntoskrnl.exe product: Microsoft® Windows® Operating System company: Microsoft Corporation description: NT Kernel & System Bug check description: This bug check indicates that the driver is in an inconsistent or invalid power state. This appears to be a typical software driver bug and is not likely to be caused by a hardware problem. The crash took place in the Windows kernel. Possibly this problem is caused by another driver which cannot be identified at this time. Here is the dump file: https://docs.google.com/open?id=0B61myFLIvlyVMjM5NzE5YjYtYTc0OS00ZTAxLThmMGMtMzg0MzYyMzBlMzI1 Thank you for helping me out! Let me know if you need anymore information.