6950 memory artifacts

Hi, I have a MSI twinfrozer III 6950 OC ( Factory settings 850/1300) that is about half a year old. When I got it, it had no problems, I even tried to unlock it but it failed and I was able to flash back to factory settings.

Recently however my card started artifacting randomly in games that I have been playing with absolutely no problems since I got the card. I played Skyrim on ultra settings with no problems but after restarting to play again I found that I could not even get past character creation without some memory artifacts popping up and forcing me to shut the game down.

Today during the GW2 stress test, I played GW2 for the first time and found that on any settings but the lowest, my screen would freeze but sound would continue to play and after a few seconds it would unfreeze and I resume playing until it occurs again. One time I got a memory artifact that looked like this and another time I got a windows message saying my display driver failed.


In order to try to fix it I I've declocked my cpu and gpu and my system at default now at:
i5 2500k @3.3ghz
8gb ddr3 ram
Radeon HD 6950 twin frozr III OC edition (factory settings at 850/1300)
600w PSU


Some tests/solutions I've ran:
I've ran a memtest for my ram with no errors so it is unlikely the cause.
I've declocked my CPU from 4.1ghz to the default 3.3ghz and problem persisted through both cases. And i've checked the temperatures and usage and were well within the norms so it is also unlikely it's my CPU fault.
I've tried running in lower power usage mode and im also using a radeon card so I don't think power is the issue either.

That only leads to my GPU which I suspect is the main problem but I can't figure exactly why.
I've updated drivers and rollbacked to previous drivers with no avail.
I've underclocked below factory overclock settings with no avail.
I've increased core voltage by up to 30mvs and it hasn't done anything so I don't think it's the power.
I tried cleaning all the fans inside my comp with every way possible except an electric air compressor because I didn't have one (I even had my roommate furiously pump a bicycle manual pump while i tried to use it to blow out dust) and even after that did not fix the problem.
I've done almost everything but I still suspect it to be the case because one time after a freeze it said my display driver failed and sometimes instead of a complete screen freeze, i get a memory artifact.
Temperature also does not seem to be the issue as the highest it will go is around mid 70C.
Also I'm wondering is it possible that my dx9 is corrupt and that might be the problem? I play every other games on dx10 or dx11 and I don't get any problems with them.
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More about 6950 memory artifacts
  1. ------------------
    System Information
    ------------------
    Time of this report: 8/2/2012, 20:29:10
    Machine name: DAVID-PC
    Operating System: Windows 7 Home Premium 64-bit (6.1, Build 7601) Service Pack 1 (7601.win7sp1_gdr.120503-2030)
    Language: English (Regional Setting: English)
    System Manufacturer: Gigabyte Technology Co., Ltd.
    System Model: Z68AP-D3
    BIOS: Award Modular BIOS v6.00PG
    Processor: Intel(R) Core(TM) i5-2500K CPU @ 3.30GHz (4 CPUs), ~3.6GHz
    Memory: 8192MB RAM
    Available OS Memory: 8176MB RAM
    Page File: 4705MB used, 11642MB available
    Windows Dir: C:\Windows
    DirectX Version: DirectX 11
    DX Setup Parameters: Not found
    User DPI Setting: 120 DPI (125 percent)
    System DPI Setting: 96 DPI (100 percent)
    DWM DPI Scaling: Disabled
    DxDiag Version: 6.01.7601.17514 64bit Unicode
    DxDiag Previously: Crashed in DirectInput (stage 1). Re-running DxDiag with "dontskip" command line parameter or choosing not to bypass information gathering when prompted might result in DxDiag successfully obtaining this information

    ---------------
    Display Devices
    ---------------
    Card name: AMD Radeon HD 6900 Series
    Manufacturer: Advanced Micro Devices, Inc.
    Chip type: AMD Radeon Graphics Processor (0x6719)
    DAC type: Internal DAC(400MHz)
    Device Key: Enum\PCI\VEN_1002&DEV_6719&SUBSYS_24611462&REV_00
    Display Memory: 1766 MB
    Dedicated Memory: 2030 MB
    Shared Memory: 3831 MB
    Current Mode: 1920 x 1200 (32 bit) (60Hz)
    Monitor Name: Generic PnP Monitor
    Monitor Model: HSG1075
    Monitor Id: HSP001C
    Native Mode: 1920 x 1200(p) (59.950Hz)
    Output Type: HDMI
    Driver Name: aticfx64.dll,aticfx64.dll,aticfx64.dll,aticfx32,aticfx32,aticfx32,atiumd64.dll,atidxx64.dll,atidxx64.dll,atiumdag,atidxx32,atidxx32,atiumdva,atiumd6a.cap,atitmm64.dll
    Driver File Version: 8.17.0010.1132 (English)
    Driver Version: 8.980.0.0
    DDI Version: 11
    Driver Model: WDDM 1.1
    Driver Attributes: Final Retail
    Driver Date/Size: 6/11/2012 13:23:12, 1090560 bytes
    WHQL Logo'd: Yes
    WHQL Date Stamp:
    Device Identifier: {D7B71EE2-2459-11CF-BE73-6B04BEC2C535}
    Vendor ID: 0x1002
    Device ID: 0x6719
    SubSys ID: 0x24611462
    Revision ID: 0x0000
    Driver Strong Name: oem47.inf:ATI.Mfg.NTamd64.6.1:ati2mtag_NICayman:8.980.0.0:pci\ven_1002&dev_6719
    Rank Of Driver: 00E62001
    Video Accel: ModeMPEG2_A ModeMPEG2_C
    Deinterlace Caps: {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
    {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(UYVY,UYVY) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(UYVY,UYVY) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(UYVY,UYVY) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(YV12,0x32315659) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    {3C5323C1-6FB7-44F5-9081-056BF2EE449D}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
    {552C0DAD-CCBC-420B-83C8-74943CF9F1A6}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
    {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
    {335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC1,UNKNOWN) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC2,UNKNOWN) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC3,UNKNOWN) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(IMC4,UNKNOWN) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(S340,UNKNOWN) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    {5A54A0C9-C7EC-4BD9-8EDE-F3C75DC4393B}: Format(In/Out)=(S342,UNKNOWN) Frames(Prev/Fwd/Back)=(0,0,0) Caps=
    D3D9 Overlay: Not Supported
    DXVA-HD: Not Supported
    DDraw Status: Enabled
    D3D Status: Enabled
    AGP Status: Enabled


    ---------------
    EVR Power Information
    ---------------
    Current Setting: {5C67A112-A4C9-483F-B4A7-1D473BECAFDC} (Quality)
    Quality Flags: 2576
    Enabled:
    Force throttling
    Allow half deinterlace
    Allow scaling
    Decode Power Usage: 100
    Balanced Flags: 1424
    Enabled:
    Force throttling
    Allow batching
    Force half deinterlace
    Force scaling
    Decode Power Usage: 50
    PowerFlags: 1424
    Enabled:
    Force throttling
    Allow batching
    Force half deinterlace
    Force scaling
    Decode Power Usage: 0
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