GLSL shader not working!

[Thomas]

The X-series are really tricky with the drivers and I am not sure it is possible to solve. Right now your main problem that you are missing several important OpenGL features.

First thing: Try and find newer drivers. Or just try other drivers. See if that works.

If you still have problems, this might be of help:
The forum user "yhancik" solved it like this:

But to make it short
- installed older SiS GART drivers - not the most recent ones
(it activated AGP Write)

- uninstalled the ATI drivers
- used a drivers cleaner in safe mode (not sure if it's necessary)
- reboot
- switched my AGP speed from x8 to x4 (in the BIOS)
- reinstalled ATI drivers

Et voilà, AGP Read & Write, AGP Texture Acceleration (in dxdiag), all supported OpenGL extension activated and the Renderer test working

Obviously the key is to install the graphic card drivers in the *right AGP conditions*, that is
- right GART drivers
- right AGP speed

For example, when I installed my drivers in AGP x8, I could run in x8 without problems (well except those mentioned earlier ;p). Switching to x4 never fixed anything.
But installed the drivers in x4 make it work. And if I try to switch to x8 afterward, I get a BSOD at startup !

Note that he had a newer card in the X-series though!

Perhaps that is of any help! I am not sure if all steps are really needed (like changing speed in bios)