Windows 7: many random bsod's 0x0000003b. 0x00000019. 0x0000001a

Hi!

I'm getting many random bsod's on my computer.
system_service_exception and irql_less_or_not_equal is common but also other things.

0x0000003b
0x00000019
0x0000001a
0x00000024

What i got figured out is that is has to do with some driver bug or similar.
i have tested my memory with Windows 7 tool for aboute 50 rounds and no problem was found.

I got so many crash dmp files so i dont know how many i can post so it not will be to many. i send 5 om them to start with

First time im here and i realy need help to solve this because it happens several times a day now more adn it kill's me Please help. Sry 4 my bad english.


Crash dump file: C:\Windows\Minidump\100112-25396-01.dmp
Date/time: 2012-09-30 23:31:41 GMT
Uptime: 00:50:30
Machine:
Bug check name: SYSTEM_SERVICE_EXCEPTION
Bug check code: 0x3B
Bug check parm 1: 0xC0000005
Bug check parm 2: 0xFFFFF800038CD0C5
Bug check parm 3: 0xFFFFF8800CD88FE0
Bug check parm 4: 0x0
Probably caused by: ntoskrnl.exe
Driver description: NT Kernel & System
Driver product: Microsoft® Windows® Operating System
Driver company: Microsoft Corporation
OS build: Built by: 7601.17835.amd64fre.win7sp1_gdr.120503-2030
Architecture: x64 (64 bit)
CPU count: 4
Page size: 4096


Crash dump file: C:\Windows\Minidump\100112-25490-01.dmp
Date/time: 2012-09-30 22:40:02 GMT
Uptime: 00:36:15
Machine:
Bug check name: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
Bug check code: 0x1000007E
Bug check parm 1: 0xFFFFFFFFC0000005
Bug check parm 2: 0xFFFFF8800FD52CEE
Bug check parm 3: 0xFFFFF88005DE3568
Bug check parm 4: 0xFFFFF88005DE2DC0
Probably caused by: dxgmms1.sys
Driver description: DirectX Graphics MMS
Driver product: Microsoft® Windows® Operating System
Driver company: Microsoft Corporation
OS build: Built by: 7601.17835.amd64fre.win7sp1_gdr.120503-2030
Architecture: x64 (64 bit)
CPU count: 4
Page size: 4096


Crash dump file: C:\Windows\Minidump\100112-29749-01.dmp
Date/time: 2012-09-30 22:02:37 GMT
Uptime: 07:35:34
Machine:
Bug check name: BAD_POOL_HEADER
Bug check code: 0x19
Bug check parm 1: 0x20
Bug check parm 2: 0xFFFFFA800CF6C520
Bug check parm 3: 0xFFFFFA800CF6C790
Bug check parm 4: 0x4270001
Probably caused by: ntoskrnl.exe
Driver description: NT Kernel & System
Driver product: Microsoft® Windows® Operating System
Driver company: Microsoft Corporation
OS build: Built by: 7601.17835.amd64fre.win7sp1_gdr.120503-2030
Architecture: x64 (64 bit)
CPU count: 4
Page size: 4096


Crash dump file: C:\Windows\Minidump\100212-20607-01.dmp
Date/time: 2012-10-02 17:14:26 GMT
Uptime: 00:14:35
Machine:
Bug check name: SYSTEM_THREAD_EXCEPTION_NOT_HANDLED_M
Bug check code: 0x1000007E
Bug check parm 1: 0xFFFFFFFFC0000005
Bug check parm 2: 0xFFFFF88006F61CF7
Bug check parm 3: 0xFFFFF880049FC568
Bug check parm 4: 0xFFFFF880049FBDC0
Probably caused by: dxgmms1.sys
Driver description: DirectX Graphics MMS
Driver product: Microsoft® Windows® Operating System
Driver company: Microsoft Corporation
OS build: Built by: 7601.17835.amd64fre.win7sp1_gdr.120503-2030
Architecture: x64 (64 bit)
CPU count: 4
Page size: 4096


Crash dump file: C:\Windows\Minidump\100212-21465-01.dmp
Date/time: 2012-10-02 11:19:08 GMT
Uptime: 00:39:58
Machine:
Bug check name: IRQL_NOT_LESS_OR_EQUAL
Bug check code: 0xA
Bug check parm 1: 0xFFFFF88003411FFF
Bug check parm 2: 0x2
Bug check parm 3: 0x0
Bug check parm 4: 0xFFFFF800038E9484
Probably caused by: ntoskrnl.exe
Driver description: NT Kernel & System
Driver product: Microsoft® Windows® Operating System
Driver company: Microsoft Corporation
OS build: Built by: 7601.17835.amd64fre.win7sp1_gdr.120503-2030
Architecture: x64 (64 bit)
CPU count: 4
Page size: 4096

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