3 GB switch causes ATI graphic driver to fail

[Jakeman1086]

Okay, I did the 3 GB switch on my Windows XP machine. It works, except for the fact that while in the 3GB swithched OS, my ATI graphics driver can't be detected. When I boot up in my normal OS, it still works fine. I tried installing the drivers again in both the 3GB switch mode and in normal mode, but neither worked. I still get this error when I boot up in 3GB switch mode:

"No ATI graphics driver is installed, or the ATI driver is not functioning properly. Please install the ATI driver appropriate for your ATI hardware."

Please help!

 

[Gareth]

The 3GB switch, is this because you have 4 or more GB of RAM? Windows XP is pretty much ancient now, and if this is the case, consider upgrading to Windows 7 64-bit.

 

[canivari]

is the (/fastdetect 3GB /USERVA) switch?

 

[tyttebøvs]

Are you using the most recent driver version? And do you actually need the switch (many people misunderstand its purpose)?