Odd graphic errors

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First, I realize this may not be the best place to ask about this, since this is likely not a tech forum. :p

Second, if you have nothing constructive to say, don't say anything and the thread will die by itself and fall off the main page, alright?

Tertio, here are my specs :

"------------------
System Information
------------------
Time of this report: 8/9/2011, 14:06:24
Machine name: FAMILLE-JNRI2I3
Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 3 (2600.xpsp_sp3_gdr.101209-1647)
Language: French (Regional Setting: French)
System Manufacturer: INTEL_
System Model: D865GLC_
BIOS: BIOS Date: 08/04/05 00:31:45 Ver: 08.00.10
Processor: Intel(R) Pentium(R) 4 CPU 2.40GHz
Memory: 2046MB RAM
Page File: 745MB used, 3196MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.5512 32bit Unicode

[...]

---------------
Display Devices
---------------
Card name: NVIDIA GeForce 6600 GT
Manufacturer: NVIDIA
Chip type: GeForce 6600 GT
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_00F1&SUBSYS_00000000&REV_A2
Display Memory: 128.0 MB
Current Mode: 1280 x 1024 (32 bit) (60Hz)
Monitor: ViewSonic VA903 Series
Monitor Max Res: 1280,1024
Driver Name: nv4_disp.dll
Driver Version: 6.14.0012.7533 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 5/25/2011 02:09:20, 4198272 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: n/a
VDD: n/a
Mini VDD: nv4_mini.sys
Mini VDD Date: 5/25/2011 02:09:20, 12753664 bytes
Device Identifier: {D7B71E3E-43B1-11CF-DD7E-0C2003C2CB35}
Vendor ID: 0x10DE
Device ID: 0x00F1
SubSys ID: 0x00000000
Revision ID: 0x00A2
Revision ID: 0x00A2
Video Accel: ModeMPEG2_C ModeMPEG2_D ModeWMV9_B ModeWMV9_A
Deinterlace Caps: {6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) 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
{6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(UYVY,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
{6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)=(YV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
{6CB69578-7617-4637-91E5-1C02DB810285}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) 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
Registry: OK
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
DDraw Test Result: Not run
D3D7 Test Result: Not run
D3D8 Test Result: Not run
D3D9 Test Result: Not run"

Running with a 300W PSU, 2 hard drives (one master and 1 slave), 1 dvd-rom driver. Using a Viewsonic VA903b LCD screen. Also, the Graphic card's fan died recently, so I changed it for a Zalman Tech VF700-Cu which I installed myself. It is currently on the 5V mode. If there is any more information needed, i can post it here. Oh yes, this is a computer that was bought used for the most part then added in some used parts.

Now, the problem is that approximately 1 week after installing the new fan, I've begun to witness artifacts in WoW (which I admittedly play a lot), and I've almost witnessed what I think are dead pixels outside of the game (although they never stick to the same place, oddly enough).

Can anyone help? I'm at wits end here, and thinking of taking the card to check if it's dead or dying.

What temperature is the GPU running at, after a good workout?

Welll, Core temperature, as told by Rivatuner, seems to be stable at 54.48 degrees Celsius when not working out... I'll try to make it work a bit and see what i get, provided it doesn't crash.

GPU's probably overheating.
Check the temp during load like Cornflake said

_________________

55c idle sounds like a lot for the 6600, the errors also sound like gpu overheating, though in a minor way if it is only a few pixels at a time.
check core temp and if too high reseat the heatsink using the tape and razor method,

My 7600GS runs at around 50-53C with the stock heatsink and weedy little fan, but it never gets a real workout.
I think Oodain is correct about the minor overheating, and reseating the heatsink should fix it.

Small update, tonight as I was playing a SNES emu (which didn't really change the core temp btw), i experienced some vertical lines after coming back from dinner. I proceeded to reseat the heatsink (i do not know about the tape and razor method, sorry ), but it changed very little. ._.

I might just take it to the closest electronics store and see if it's not just dead. =(

the tape and razor method consists of using a layer of masking tape to set the thickness of the paste, making sure there is not too much r too little.

does it show in dos?

I reckon it did. For the moment I'm just using a replacement graphics card that's unable to process 3D graphics as well as that card did. =( (ATI Radeon 7000 series)

Since I have very little money due to not having a job... ._.

if the graphical errors showed in dos you should take it to maintenance.

Edit

Ah the problem is that you are using windows xD

Windows is just a friend of convenience!

Seriously don't know what's wrong :O