J'ai refais une analyse avec whocrashed après que mon ordi ait redémarre tout seul et sa ma donné sa :
Crash Dump Analysis
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Crash dump directory: C:\Windows\Minidump
Crash dumps are enabled on your computer.
On Sun 17/06/2012 00:38:19 GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: dxgkrnl.sys (dxgkrnl!TdrCreateRecoveryContext+0x1F2)
Bugcheck code: 0x116 (0xFFFFFFFF862DC510, 0xFFFFFFFF9302245A, 0xFFFFFFFFC000009A, 0x4)
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.
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Conclusion
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1 crash dumps have been found and analyzed.
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.
Encore merci
Ps : Sa redémarre environ après 3 min le lancement du jeux