I've asked this on many tech sites now and still do not have an answer. This is my last hope.
I am suffering terrible blinking black or grey squares on the ground textures in all of my games, including Blockland.
Specs: HP Entertainment Series Desktop Laptop (Very large laptop) Pavillion HDX9000 PC
Windows Vista Home Premium
Intel Core 2 Duo CPU T7700 @ 2.40 GHz (2 CPUs)
3070MB RAM
ATI Mobility Radeon XT 2600 HD
Here is an example on slopes map:

Other examples:
http://www.youtube.com/watch?v=MtW356l1zBs&On slopes, it goes away when I reduce texture quality. On other maps, such as slate desert, it doesn't. This only happens on maps with ground textures, such as slate desert, but not maps such as just slate.
My card temperature is cool, I never overclock and it's a laptop so I cannot bake my card. My drivers are fully updated.
Help would be appreciated.