De acordo com o despejo , o DPC_WATCHDOG_VIOLATION o bugcheck está no seu driver nVIDIA:
*******************************************************************************
* *
* Bugcheck Analysis *
* *
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DPC_WATCHDOG_VIOLATION (133)
The DPC watchdog detected a prolonged run time at an IRQL of DISPATCH_LEVEL
or above.
Arguments:
Arg1: 0000000000000000, A single DPC or ISR exceeded its time allotment. The offending
component can usually be identified with a stack trace.
Arg2: 0000000000000501, The DPC time count (in ticks).
Arg3: 0000000000000500, The DPC time allotment (in ticks).
Arg4: 0000000000000000
Debugging Details:
------------------
*** WARNING: Unable to verify timestamp for nvlddmkm.sys
*** ERROR: Module load completed but symbols could not be loaded for nvlddmkm.sys
SYSTEM_SKU: To be filled by O.E.M.
SYSTEM_VERSION: 1.0
BIOS_DATE: 09/03/2013
BASEBOARD_PRODUCT: Z87-G45 GAMING (MS-7821)
BASEBOARD_VERSION: 1.0
BUGCHECK_P1: 0
BUGCHECK_P2: 501
BUGCHECK_P3: 500
BUGCHECK_P4: 0
DPC_TIMEOUT_TYPE: SINGLE_DPC_TIMEOUT_EXCEEDED
CPU_COUNT: 4
CPU_MHZ: d48
CPU_VENDOR: GenuineIntel
CPU_FAMILY: 6
CPU_MODEL: 3c
CPU_STEPPING: 3
CUSTOMER_CRASH_COUNT: 1
DEFAULT_BUCKET_ID: WIN8_DRIVER_FAULT
BUGCHECK_STR: 0x133
PROCESS_NAME: System
CURRENT_IRQL: d
ANALYSIS_VERSION: 10.0.10069.9 amd64fre
STACK_TEXT:
00 nt!KeBugCheckEx
01 nt! ?? ::FNODOBFM::'string'
02 nt!KeClockInterruptNotify
03 hal!HalpTimerClockInterrupt
04 nt!KiCallInterruptServiceRoutine
05 nt!KiInterruptSubDispatchNoLockNoEtw
06 nt!KiInterruptDispatchLBControl
07 nt!KxWaitForSpinLockAndAcquire
08 nt!KeAcquireSpinLockRaiseToDpc
09 nvlddmkm
IMAGE_NAME: nvlddmkm.sys
FAILURE_ID_HASH_STRING: km:0x133_dpc_nvlddmkm!unknown_function
Loaded symbol image file: nvlddmkm.sys
Image path: \SystemRoot\system32\DRIVERS\nvlddmkm.sys
Image name: nvlddmkm.sys
Timestamp: Thu May 28 04:49:51 2015 (5566824F)
Tente drivers diferentes, verifique se a GPU não está superaquecida. Também atualize o BIOS, você ainda usa o primeiro BIOS a partir de 2013.