On Fri, 23 Mar 2007 at 12:18am, Mark Hull-Richter wrote > Here's what I get - no idea what to fix or how - help needed: > > [mhr at mhrichter ~]$ glxinfo > name of display: :0.0 > Xlib: extension "GLX" missing on display ":0.0". *snip* > Running an nVidia geFORCE 7100 GS as NVIDIA Generic with an Envision 19" > en910e as Generic VESA 1280x1024. If you're using the nv driver that comes with centos, then this is expected -- that's a 2D driver only. If you need 3D, you'll need to download and use the binary driver from nvidia. -- Joshua Baker-LePain Department of Biomedical Engineering Duke University