Interpretation blue screen

Bonjour,

Cela fait plusieurs fois que mon PC reboot sans raison en m'annonçant un blue screen au redémarrage. Je l'ai analysé avec "Whocrashed" mais je comprend rien au rapport. Tous mes drivers sont a jour, peut être pourriez vous m'aider?

Crash Dump Analysis
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Crash dump directory: C:\Windows\Minidump

Crash dumps are enabled on your computer.

On Wed 04/05/2011 17:58:12 GMT your computer crashed
crash dump file: C:\Windows\Minidump\050411-38220-01.dmp
This was probably caused by the following module: atikmpag.sys (atikmpag+0x7408)
Bugcheck code: 0x116 (0xFFFFFA80029304E0, 0xFFFFF88003F28408, 0xFFFFFFFFC00000B5, 0xA)
Error: VIDEO_TDR_ERROR
file path: C:\Windows\system32\drivers\atikmpag.sys
product: AMD driver
company: Advanced Micro Devices, Inc.
description: AMD multi-vendor Miniport Driver
Bug check description: This indicates that an attempt to reset the display driver and recover from a timeout failed.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: atikmpag.sys (AMD multi-vendor Miniport Driver, Advanced Micro Devices, Inc.).
Google query: atikmpag.sys Advanced Micro Devices, Inc. VIDEO_TDR_ERROR

On Wed 04/05/2011 17:58:12 GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl!TdrResetFromTimeout+0x214)
Bugcheck code: 0x116 (0xFFFFFA80029304E0, 0xFFFFF88003F28408, 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 which cannot be identified at this time.

On Wed 27/04/2011 23:23:55 GMT your computer crashed
crash dump file: C:\Windows\Minidump\042711-20841-01.dmp
This was probably caused by the following module: atikmpag.sys (atikmpag+0x740C)
Bugcheck code: 0x116 (0xFFFFFA800296F4E0, 0xFFFFF88003F0240C, 0xFFFFFFFFC00000B5, 0xA)
Error: VIDEO_TDR_ERROR
file path: C:\Windows\system32\drivers\atikmpag.sys
product: AMD driver
company: Advanced Micro Devices, Inc.
description: AMD multi-vendor Miniport Driver
Bug check description: This indicates that an attempt to reset the display driver and recover from a timeout failed.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: atikmpag.sys (AMD multi-vendor Miniport Driver, Advanced Micro Devices, Inc.).
Google query: atikmpag.sys Advanced Micro Devices, Inc. VIDEO_TDR_ERROR

On Wed 27/04/2011 22:22:39 GMT your computer crashed
crash dump file: C:\Windows\Minidump\042711-20420-01.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x6F63)
Bugcheck code: 0x100000EA (0xFFFFFA800464C8C0, 0x0, 0x0, 0x0)
Error: THREAD_STUCK_IN_DEVICE_DRIVER_M
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 a thread in a device driver is endlessly spinning.
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 a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system which cannot be identified at this time.

On Wed 27/04/2011 22:09:37 GMT your computer crashed
crash dump file: C:\Windows\Minidump\042711-21340-01.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x6F63)
Bugcheck code: 0x100000EA (0xFFFFFA800474A8C0, 0x0, 0x0, 0x0)
Error: THREAD_STUCK_IN_DEVICE_DRIVER_M
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 a thread in a device driver is endlessly spinning.
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 a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system which cannot be identified at this time.

On Wed 27/04/2011 21:58:15 GMT your computer crashed
crash dump file: C:\Windows\Minidump\042711-27268-01.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x6F63)
Bugcheck code: 0x100000EA (0xFFFFFA800461F060, 0x0, 0x0, 0x0)
Error: THREAD_STUCK_IN_DEVICE_DRIVER_M
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 a thread in a device driver is endlessly spinning.
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 a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system which cannot be identified at this time.

On Wed 27/04/2011 21:31:54 GMT your computer crashed
crash dump file: C:\Windows\Minidump\042711-26239-01.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl+0x6F63)
Bugcheck code: 0x100000EA (0xFFFFFA80024BFB60, 0x0, 0x0, 0x0)
Error: THREAD_STUCK_IN_DEVICE_DRIVER_M
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 a thread in a device driver is endlessly spinning.
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 a standard Microsoft module. Your system configuration may be incorrect. Possibly this problem is caused by another driver on your system which cannot be identified at this time.

The following dump files were found but could not be read. These files may be corrupt:
C:\Windows\Minidump\050311-18314-01.dmp

Mon Pc a été formaté mercredi dernier en pensant que ça résoudrai le problème mais en vain.

Je vous remercie par avance de vos réponse