> If I try: > /usr/bin/startx -- -dpi 100 :1 > > then I just get the gray X screen and no window manager running. I had them in the wrong order. This works: /usr/bin/startx -- :0 -dpi 100 for one user and /usr/bin/startx -- :1 -dpi 100 for the other user. Now it works and it doesn't matter which user starts X first. The problem is solved. However, I wonder why the dpi gets reset if you don't specify it. Doug.