I upgraded my Window 98 SE to Window 2000 but it messed up with my screen resolution (it only allows a lower screen resolution, and I could not change it up to a higher resolution, even if I go to the control panel).

Is there away to change it back to Window 98 SE. I could not find the uninstall feature anywhere. Do I have to format my whole computer in order to get back to my Window 98?

Have you tried downloading the latest video drivers for your video card first? You may want to try that because drivers that worked fine in 98 may not work at all in 2000. Also, I have not had good success with upgrading from one version of a Microsoft OS to another. I usually do a reinstall if I want to change OS versions. I've never tried the uninstall feature.

Don't uninstall.
Just go to microsoft and get the right driver (ChipSetup).

I agree just get the correct driver you need.