Three out of four of your most recent dumps (2011) were caused by a driver (NtiEnc.sys). A quick google of this driver says it belongs to a program called NTI Ninja. There were also lots of posts on how this driver, which doesn't get deleted when uninstalling the software, causes problems with USB devices. Do you have this program installed? If you do, uninstall it. Then I would like for you to delete this driver. Please go to C:\Windows\System32\Drivers and find
ntienc.sys and delete it. Shut down your computer, plug in your USB devices, and boot up. Did this fix the issue?
Let me know the results. If the BSOD continues, I will start having you do other tests
Summary of dumps Code:
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sat Feb 6 07:57:23.120 2010 (UTC - 4:00)
System Uptime: 1 days 17:16:32.775
Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+460da )
DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT
BUGCHECK_STR: 0x1E_c0000005
PROCESS_NAME: PowerDVD.exe
FAILURE_BUCKET_ID: X64_0x1E_c0000005_nt!_??_::FNODOBFM::_string_+460da
BaseBoardManufacturer = Dell Inc.
BaseBoardProduct = 0G848F
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Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Mon Mar 28 22:24:36.682 2011 (UTC - 4:00)
System Uptime: 0 days 0:10:30.461
Unable to load image \SystemRoot\System32\Drivers\NtiEnc.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for NtiEnc.sys
*** ERROR: Module load completed but symbols could not be loaded for NtiEnc.sys
Probably caused by : NtiEnc.sys ( NtiEnc+1a5de )
DEFAULT_BUCKET_ID: GS_FALSE_POSITIVE_MISSING_GSFRAME
BUGCHECK_STR: 0xF7
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xF7_MISSING_GSFRAME_NtiEnc+1a5de
BaseBoardManufacturer = Dell Inc.
BaseBoardProduct = 0G848F
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Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sun Apr 3 23:41:48.458 2011 (UTC - 4:00)
System Uptime: 0 days 0:04:46.238
Unable to load image \SystemRoot\System32\Drivers\NtiEnc.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for NtiEnc.sys
*** ERROR: Module load completed but symbols could not be loaded for NtiEnc.sys
Probably caused by : NtiEnc.sys ( NtiEnc+1a5de )
DEFAULT_BUCKET_ID: GS_FALSE_POSITIVE_MISSING_GSFRAME
BUGCHECK_STR: 0xF7
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xF7_MISSING_GSFRAME_NtiEnc+1a5de
BaseBoardManufacturer = Dell Inc.
BaseBoardProduct = 0G848F
ииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииииии
Built by: 7600.16385.amd64fre.win7_rtm.090713-1255
Debug session time: Sun Apr 3 23:36:33.458 2011 (UTC - 4:00)
System Uptime: 0 days 7:22:28.238
Unable to load image \SystemRoot\System32\Drivers\NtiEnc.sys, Win32 error 0n2
*** WARNING: Unable to verify timestamp for NtiEnc.sys
*** ERROR: Module load completed but symbols could not be loaded for NtiEnc.sys
Probably caused by : NtiEnc.sys ( NtiEnc+1a5de )
DEFAULT_BUCKET_ID: GS_FALSE_POSITIVE_MISSING_GSFRAME
BUGCHECK_STR: 0xF7
PROCESS_NAME: System
FAILURE_BUCKET_ID: X64_0xF7_MISSING_GSFRAME_NtiEnc+1a5de
BaseBoardManufacturer = Dell Inc.
BaseBoardProduct = 0G848F