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DRIVER_POWER_STATE_FAILURE 0x0000009f ntkrnlpa.exe
Have been getting these BSOD since the time I bought my laptop 7 months ago. Can't say that there's any particular reason or condition for them to appear. Most cases are when I use the internet ( skype,torrents,just browsing) or leave my computer still, never while playing games.
Had Win7 x64 at first and the Bluescreenviewer didn't show what driver caused the problem. Started troubleshooting and it seems to me that the GT 640M might be the problem, cause I didn't get any BSOD after I deleted the driver for it.
Around a month ago I reinstalled the system,got Win7 x32 and the problem is still here,but now the Bluescreenviewer was able to detect what causes the problem. It always says "NT Kernel and System", but as far as I can understand,it can be connected with any software
P.S: Followed the instructions and attached the info about my sistem in a .zip file