PC reiniciando sozinho e tela azul

[jppp]

Olá, meu computador começou a reiniciar sozinho hoje e logo após aparece rapidamente uma tela azul na qual começa dizendo "A problem has been detected and Windows has been shut down to prevent damage to your computer...."

Me indicaram o programa WhoCrashed para identificar o problema e apareceu isso:

Crash Dump Analysis

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Crash dump directory: C:\Windows\Minidump

Crash dumps are enabled on your computer.

On Sun 01/04/2012 23:47:13 GMT your computer crashed

crash dump file: C:\Windows\Minidump\Mini040112-01.dmp

This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x7A9F8)

Bugcheck code: 0x116 (0xFFFFFFFF86C09510, 0xFFFFFFFF8E1BFBA0, 0xFFFFFFFFC00000B5, 0xA)

Error: VIDEO_TDR_ERROR

file path: C:\Windows\system32\drivers\dxgkrnl.sys

product: Microsoft® Windows® Operating System

company: Microsoft Corporation

description: DirectX Graphics Kernel

Bug check description: This indicates that an attempt to reset the display driver and recover from a timeout failed.

The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

Google query: Microsoft Corporation VIDEO_TDR_ERROR

On Sun 01/04/2012 23:47:13 GMT your computer crashed

crash dump file: C:\Windows\memory.dmp

This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x7A9F8)

Bugcheck code: 0x116 (0xFFFFFFFF86C09510, 0xFFFFFFFF8E1BFBA0, 0xFFFFFFFFC00000B5, 0xA)

Error: VIDEO_TDR_ERROR

file path: C:\Windows\system32\drivers\dxgkrnl.sys

product: Microsoft® Windows® Operating System

company: Microsoft Corporation

description: DirectX Graphics Kernel

Bug check description: This indicates that an attempt to reset the display driver and recover from a timeout failed.

The crash took place in a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system that cannot be identified at this time.

Google query: Microsoft Corporation VIDEO_TDR_ERROR

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Conclusion

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2 crash dumps have been found and analyzed. A third party driver has been identified to be causing system crashes on your computer. It is strongly suggested that you check for updates for these drivers on their company websites. Click on the links below to search with Google for updates for these drivers:

dxgkrnl.sys (DirectX Graphics Kernel, Microsoft Corporation)

If no updates for these drivers are available, try searching with Google on the names of these drivers in combination the errors that have been reported for these drivers and include the brand and model name of your computer as well in the query. This often yields interesting results from discussions from users who have been experiencing similar problems.

Read the topic general suggestions for troubleshooting system crashes for more information.

Note that it's not always possible to state with certainty whether a reported driver is actually responsible for crashing your system or that the root cause is in another module. Nonetheless it's suggested you look for updates for the products that these drivers belong to and regularly visit Windows update or enable automatic updates for Windows. In case a piece of malfunctioning hardware is causing trouble, a search with Google on the bug check errors together with the model name and brand of your computer may help you investigate this further.

informações sobre o computador:

System Information (local)

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computer name: PC

windows version: Windows Vista , 6.0, build: 6000

windows dir: C:\Windows

Hardware: P17G, PCCHIPS

CPU: GenuineIntel Intel® Celeron® CPU 430 @ 1.80GHz Intel586, level: 6

1 logical processors, active mask: 1

RAM: 2137718784 total

VM: 2147352576, free: 2054471680

Estive procurando respostas para o problema a mais de 5 horas e nada e como não entendo muito bem de computador estou pedindo ajuda. Posso não ter procurado em tudo mas se for possível, quero resolver o mais rápido que der e me desculpem se eu estiver quebrando alguma regra, essa não é a minha intenção.