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Discussion Starter · #1 ·
My PC has developed a graphics fault this morning.

I have uploaded some screenshots from a digital camera that show the problem better than I can explain it.

http://www.briank.plus.com/brian/BIOS_800.jpg
http://www.briank.plus.com/brian/StartMenu_800.jpg
http://www.briank.plus.com/brian/Windows_800.jpg

The fault is only apparent on certain icons and graphics. :confused:
I also see the problem in the graphics on the BIOS settings pages.

The Graphics adapter is as follows:-

Name RADEON 9600 SERIES
PNP Device ID PCI\VEN_1002&DEV_4150&SUBSYS_2070148C&REV_00\4&299CCBFA&0&0008
Adapter Type ATI RADEON 9600 Series AGP (0x4150), ATI Technologies Inc. compatible
Adapter Description RADEON 9600 SERIES
Adapter RAM 256.00 MB (268,435,456 bytes)
Installed Drivers ati2dvag.dll
Driver Version 6.14.10.6666
INF File oem1.inf (ati2mtag_RV350 section)
Color Planes 1
Color Table Entries 4294967296
Resolution 1024 x 768 x 85 hertz
Bits/Pixel 32
Memory Address 0xC0000000-0xCFFFFFFF
I/O Port 0x0000A800-0x0000A8FF
Memory Address 0xFFCF0000-0xFFCFFFFF
IRQ Channel IRQ 16
I/O Port 0x000003B0-0x000003BB
I/O Port 0x000003C0-0x000003DF
Memory Address 0xA0000-0xBFFFF
Driver c:\windows\system32\drivers\ati2mtag.sys (6.14.10.6666, 1.88 MB (1,975,296 bytes), 22/03/2004 21:59)

Name RADEON 9600 SERIES - Secondary
PNP Device ID PCI\VEN_1002&DEV_4170&SUBSYS_2071148C&REV_00\4&299CCBFA&0&0108
Adapter Type ATI RADEON 9600 Series Secondary AGP (0x4170), ATI Technologies Inc. compatible
Adapter Description RADEON 9600 SERIES - Secondary
Adapter RAM 256.00 MB (268,435,456 bytes)
Installed Drivers ati2dvag.dll
Driver Version 6.14.10.6666
INF File oem1.inf (ati2mtag_RV350 section)
Color Planes Not Available
Color Table Entries Not Available
Resolution Not Available
Bits/Pixel Not Available
Memory Address 0xB0000000-0xBFFFFFFF
Memory Address 0xFFCE0000-0xFFCEFFFF
Driver c:\windows\system32\drivers\ati2mtag.sys (6.14.10.6666, 1.88 MB (1,975,296 bytes), 22/03/2004 21:59)

Any suggestions welcome.

Brian.
 

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Discussion Starter · #2 ·
Some further info...

I have just discovered that if I reduce the hardware acceleration by 'two notches' using the slider control on the Radeon 9600 'properties' window, then the fault is no longer apparent.
The 'Full hardware acceleration' setting has always worked fine in the past.
 

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Discussion Starter · #3 ·
Hmmm - The fault is now not quite as bad as it was, but is still visible on certain icons.

Suggests I may have an intermittent hardware fault - poor connection / dry joint / supply voltage / temperature related problem etc.

I did try re-seating the Radeon graphics card earlier but it made no difference.

I have a freezer aerosol but where should I use it?
 

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By the looks of it your video card is on its way out. Now a freezer aerosol sounds like a can of compressed air if im not mistaken. So what you can do is just spray the video card with it on the fan & heatsink. Make sure not to shake it or anything you dont want water to come out onto your card.

So unless your video card is very dirty and overheating cleaning it probably wont make much of a difference but its worth a try. But in the end you will probably have to buy a new video card.

Also before I forget you can try going to the ati website and downloading the latest drivers to see if there is any improvement.
 

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Discussion Starter · #5 ·
Well in my experience, trying things like updating drivers for a card when it has been working perfectly for some time is asking for trouble. It just introduces a new unknown.

I don't understand what is meant by 'on it's way out'. Computer hardware does not 'wear out'. Semiconductors and passive components are usually pretty reliable. Electrolytic caps do eventually dry out after many years but most intermittent faults I have come across are down to solder joints, contacts or thermal issues.

Something I have noticed is that, unlike some of the 9600 cards for sale on eBay, there is no fan attached to the heatsink on my version. Is this something that was added to later versions because of overheating problems?
The card in my PC is mounted such that the heatsink is on the underside. This does not seem a particularly good idea in assisting convection cooling!
However it has always been that way and has been working without any problems foy years. The temperature today was not especially warm.
I've used some compressed air to blow the dust off the heatsink, but there wasn't much there to start with.
 
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