Kam Leo: >> Use system-config-display. Barry Yu: > This one won't work, tried before I posted already For future reference: Running it from a command line, with --reconfig as an option, as the root user, starts configuring X from afresh. i.e. system-config-display --reconfig -- (This box runs FC6, my others run FC4 & FC5, in case that's important to the thread.) Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.