On Mar 31, 2005 10:02 PM, David Curry <dsccable@xxxxxxxxxxx> wrote: > Claude Jones wrote: > > > For no explainable reason, my graphic interface has gone crazy. It > > flashes to black for a moment everal several seconds. Nothing else > > seems to be affected. If I'm typing, words keep getting put in the > > doc. Downloads continue, etc... I loaded some of the latest > > patches/updates last night. Apart from that this machine was idle all > > day. It's up on the net with Firestarter providing pretty strict > > rules. I just tried downloading/installing the latest ATI Radeon 9200 > > video driver from ATI. I searched the list for similar behavior, but > > couldn't find anything. What could have changed in my absence??? Have > > I been hacked by someone? > > > Claude, have you tried switching to a console window to see if the > periodic flash to black occurs there as well? Try ALT-F2 to see if the > blackout continues and then ALT-F& to switch back to your X window. > > Have you recently applied X.org updates to your system? > Is this happening when you are typing in a terminal window? If so, it is the bell setting for your terminal session. Just click on Settings -> Bell and select another value.