Bonsoir voilà j'ai un gros problème car quand j'étais parti et que je suis revenu l'ordinateur avait redemarré avec un message comme Windows a rencontré un probleme etc voici ce que j'ai sous WhoCrashed:  
 
On Fri 16-11-12 17:14:29 GMT your computer crashed
crash dump file: C:\windows\Minidump\111612-22203-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0xA1326)  
Bugcheck code: 0x9F (0x4, 0x12C, 0xFFFFFA8017FFB040, 0xFFFFF880009F0800)
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 that cannot be identified at this time.  
 
 
 
On Fri 16-11-12 17:14:29 GMT your computer crashed
crash dump file: C:\windows\memory.dmp
This was probably caused by the following module: ntkrnlmp.exe (nt!KeBugCheckEx+0x0)  
Bugcheck code: 0x9F (0x4, 0x12C, 0xFFFFFA8017FFB040, 0xFFFFF880009F0800)
Error: DRIVER_POWER_STATE_FAILURE
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 that cannot be identified at this time.  
 
 
 
On Fri 16-11-12 06:23:54 GMT your computer crashed
crash dump file: C:\windows\Minidump\111612-31812-01.dmp
This was probably caused by the following module: hal.dll (hal+0x16797)  
Bugcheck code: 0x9F (0x3, 0xFFFFFA800897B880, 0xFFFFF8037B7107E0, 0xFFFFFA801ADB09E0)
Error: DRIVER_POWER_STATE_FAILURE
file path: C:\windows\system32\hal.dll
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: Hardware Abstraction Layer DLL
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 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.  
 
 
 
On Sun 11-11-12 16:27:49 GMT your computer crashed
crash dump file: C:\windows\Minidump\111112-35562-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7AD40)  
Bugcheck code: 0x9F (0x3, 0xFFFFFA800899A880, 0xFFFFF88003606B30, 0xFFFFFA8017DF2880)
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 that cannot be identified at this time.  
 
J'ai vraiment besoin d'aide SVP. Merci à ceux qui prendront le temps de m'aider