BSOD ntkrnlpa + laptop can't shutdown

Hi,

Please can someone help me with my bsod.

My machine can't shutdown. I used blue screen viewer and found that the following files were causing it. I'm having trouble doing a bugcheck and finding out which drivers are causing this problem.


halmacpi.dll halmacpi.dll+5b48 0x83802000 0x83839000 0x00037000 0x4ce788d2 2010/11/20 10:37:38 Microsoft® Windows® Operating System Hardware Abstraction Layer DLL 6.1.7601.17514 (win7sp1_rtm.101119-1850) Microsoft Corporation C:\Windows\system32\halmacpi.dll
ntkrnlpa.exe ntkrnlpa.exe+77766 0x83839000 0x83c4b000 0x00412000 0x4e02a389 2011/06/23 04:23:05 Microsoft® Windows® Operating System NT Kernel & System 6.1.7601.17640 (win7sp1_gdr.110622-1506) Microsoft Corporation C:\Windows\system32\ntkrnlpa.exe


Please can someone help me as this is really frustrating.
 
Usually no shutdown is caused by a corrupt video driver. What are this computers make and model numbers?
 
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