Started having some graphics problems since I started playing the newly released Starcraft 2. Being aware of the problems people have had with overheating, I'm hoping that's not the issue here.
Games I've identified which have the problem are
Starcraft 2: Effect corruption
*image of bright lines on SC2 screen removed*
Effect is worse in real time, quite annoying but at least I can play the game.
Supreme Commander 2: Screen corruption

Looks like the vertices are distorted and splashed everywhere?
GRID: Total Screen corruption
Menu -

In game -

This is the worst case yet.
Crysis:
Now here's the interesting one.
Here's Crysis running in Directx 9 mode:


And now those same locations running in Directx 10:


Notice that Directx 10 renders perfectly, but Directx 9 causes total corruption! I get exactly the same result with Crysis: Warhead.
To try to verify this 'Directx 9 fails' problem, I tried running 3DMark 06 and Vantage (each using 9 and 10 respectively i believe). But to no avail, 3DMark 06 ran perfectly, as did Vantage.
I've also confirmed that these other games appear to work without faults:
Fuel
Fallout 3
Counterstrike Source
HL:Lost Coast.
All of this has been tested using catalyst 10.5, 10.6, 10.7, and i'm now very confused. So any help from the great gurus of the graphics card forum would be very much appreciated.
Thanks
EDIT: Oh, system spec!
Core 2 Duo E6550
4GB RAM
HIS HD4670 1GB
Creative X-FI Xtreme Audio (i think)
Windows 7 Ultimate 64-bit
Games I've identified which have the problem are
Starcraft 2: Effect corruption
*image of bright lines on SC2 screen removed*
Effect is worse in real time, quite annoying but at least I can play the game.
Supreme Commander 2: Screen corruption

Looks like the vertices are distorted and splashed everywhere?
GRID: Total Screen corruption
Menu -

In game -

This is the worst case yet.
Crysis:
Now here's the interesting one.
Here's Crysis running in Directx 9 mode:


And now those same locations running in Directx 10:


Notice that Directx 10 renders perfectly, but Directx 9 causes total corruption! I get exactly the same result with Crysis: Warhead.
To try to verify this 'Directx 9 fails' problem, I tried running 3DMark 06 and Vantage (each using 9 and 10 respectively i believe). But to no avail, 3DMark 06 ran perfectly, as did Vantage.
I've also confirmed that these other games appear to work without faults:
Fuel
Fallout 3
Counterstrike Source
HL:Lost Coast.
All of this has been tested using catalyst 10.5, 10.6, 10.7, and i'm now very confused. So any help from the great gurus of the graphics card forum would be very much appreciated.
Thanks

EDIT: Oh, system spec!
Core 2 Duo E6550
4GB RAM
HIS HD4670 1GB
Creative X-FI Xtreme Audio (i think)
Windows 7 Ultimate 64-bit
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