Sorry for this. Everytime I validate I get: Internal Server Error The server encountered an internal error or misconfiguration and was unable to complete your request. Please contact the server administrator, bugzilla and inform them of the time the error occurred, and anything you might have done that may have caused the error. More information about this error may be available in the server error log. Apache/2.0.46 (Red Hat) Server at bugzilla.redhat.com Port 443 From page: https://bugzilla.redhat.com/bugzilla/post_bug.cgi?product=Fedora+Core&component=system-config-display&rep_platform=x86_64&version=fc4&priority=normal&bug_severity=normal&bug_file_loc=&short_desc=System+config+display+won%27t+remember+settings&comment=From+Bugzilla+Helper%3A%0D%0AUser-Agent%3A+Mozilla%2F5.0+%28X11%3B+U%3B+Linux+i686+%28x86_64%29%3B+fr%3B+rv%3A1.7.12%29+Gecko%2F20050922+Fedora%2F1.0.7-1.1.fc4+Firefox%2F1.0.7%0D%0A%0D%0ADescription+of+problem%3A%0D%0ASystem+config+display+won%27t+remember+settings%0D%0A%0D%0AVersion-Release+number+of+selected+component+%28if+applicable%29%3A%0D%0Asystem-config-display-1.0.29-1%0D%0A%0D%0AHow+reproducible%3A%0D%0AAlways%0D%0A%0D%0ASteps+to+Reproduce%3A%0D%0A1.+open+system-config-display%0D%0A2.+set+screen+and+video+card%0D%0A3.+validate%0D%0A4.+quit%0D%0A5.+re-open+system-config-display%0D%0A++%0D%0A%0D%0AActual+Results%3A++screen+and+video+card+back+to+Uknown%0D%0A%0D%0AExpected+Results%3A++previous+screen+and+video+card+kept%0D%0A%0D%0AAdditional+info%3A%0D%0A%0D%0Aconsole+output%3A%0D%0A%0D%0Aroot%40puitepee+%7E%5D%23+%2Fusr%2Fbin%2Fsystem-config-display%0D%0A%2Fusr%2Fshare%2Fsystem-config-display%2FxConfigDialog.py%3A436%3A+GtkWarning%3A+Impossible+de+trouver+le+moteur+de+th%C3%9Ame+dans+module_path%C2+%3A+%C2%AB%C2+clearlooks%C2+%C2%BB%0D%0A++xml+%3D+gtk.glade.XML%28%22%2Fusr%2Fshare%2Fsystem-config-display%2Fdisplay.glade%22%2C+domain%3D%22system-config-display%22%29%0D%0ATraceback+%28most+recent+call+last%29%3A%0D%0A++File+%22%2Fusr%2Fshare%2Fsystem-config-display%2Fxconf.py%22%2C+line+390%2C+in+%3F%0D%0A++++hardware_state.merge_into%28xconfig%29%0D%0A++File+%22%2Fusr%2Flib64%2Fpython2.4%2Fsite-packages%2Frhpl%2Fxhwstate.py%22%2C+line+363%2C+in+merge_into%0D%0A++++device+%3D+xf86config.lookupDevice%28xconfig%2C+screen.device%29%0D%0A++File+%22%2Fusr%2Flib64%2Fpython2.4%2Fsite-packages%2Fxf86config.py%22%2C+line+128%2C+in+lookupDevice%0D%0A++++raise+XF86SectionMissing%28%22No+device+found+with+the+identifier%22+%2B+device_id%29%0D%0Axf86config.XF86SectionMissing%5Broot%40puitepee+%7E%5D%23&op_sys=Linux *** This bug has been marked as a duplicate of 176592 ***