m.roth at 5-cent.us writes: > Dell OptiPlex 980, Radeon HD 4550 xorg figures it should use the r500 driver. > > I start with no /etc/X11/xorg.conf. It comes up, mirroring. I use the > gnome applet - the same thing, btw, with system-config-display - tell it > to use dual head, and spanning desktops. Exit X. > > Restart, and the second monitor goes into powersave mode. Try to exit X, > either via logout, or <ctrl><alt><bkspace>, and it goes, and comes back > with a bluish screen... and that's all she wrote. It's hung so hard I > can't log in via ssh, and have to power cycle it. > > Any clues? > None other than the obvious - use the proprietary drivers. Catalyst works well with latest Centos and Fedora. -- Nux! www.nux.ro