bonjour à tous,
depuis quelques temps l'ordi plante de façon aléatoire. plus rien à l'écran et parfois un écran bleu. j'ai collecté avec WhoCrashed les infos ci-dessous:
Crash Dump Analysis  
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Crash dump directory: C:\Windows\Minidump
 
Crash dumps are enabled on your computer.
 
On Sat 08/12/2012 22:00:15 GMT your computer crashed
crash dump file: C:\Windows\memory.dmp
This was probably caused by the following module: Unknown (0xFFFFF96000265C7E)  
Bugcheck code: 0x3B (0xC0000005, 0xFFFFF96000265C7E, 0xFFFFF88008A64980, 0x0)
Error: SYSTEM_SERVICE_EXCEPTION
Bug check description: This indicates that an exception happened while executing a routine that transitions from non-privileged code to privileged code.  
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem.  
A third party driver was identified as the probable root cause of this system error.  
Google query: SYSTEM_SERVICE_EXCEPTION
 
 
 
On Fri 07/12/2012 13:29:40 GMT your computer crashed
crash dump file: C:\Windows\Minidump\120712-17659-01.dmp
This was probably caused by the following module: atipmdag.sys (atipmdag+0x1E4EC)  
Bugcheck code: 0x19 (0x3, 0xFFFFFA8007477420, 0xFFFFFA8007477420, 0xFFFFFA8007477490)
Error: BAD_POOL_HEADER
file path: C:\Windows\system32\drivers\atipmdag.sys
product: ATI Radeon Family
company: ATI Technologies Inc.
description: ATI Radeon Kernel Mode Driver
Bug check description: This indicates that a pool header is corrupt.
This appears to be a typical software driver bug and is not likely to be caused by a hardware problem. This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules.  
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: atipmdag.sys (ATI Radeon Kernel Mode Driver, ATI Technologies Inc.).  
Google query: ATI Technologies Inc. BAD_POOL_HEADER
 
 
 
On Tue 04/12/2012 17:52:12 GMT your computer crashed
crash dump file: C:\Windows\Minidump\120412-18111-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x7EFC0)  
Bugcheck code: 0x1A (0x5003, 0xFFFFF70001080000, 0xACDF, 0x8EAC00015909)
Error: MEMORY_MANAGEMENT
file path: C:\Windows\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: This indicates that a severe memory management error occurred.
This might be a case of memory corruption. More often memory corruption happens because of software errors in buggy drivers, not because of faulty RAM modules.  
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.  
 
 
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Conclusion  
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3 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:  
 
atipmdag.sys (ATI Radeon Kernel Mode Driver, ATI Technologies Inc.)
 
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.
 
est-ce qu'il faut que j'installe des drivers ATI ou le problème est tout autre ? comment faire et merci je suis un novice.