On 9/26/07, semi linux <linuxsemi at gmail.com> wrote: > I just finished installing CentOS 5 (again)... and I'm having trouble > with my X config (I _think_). > > If I 'startx' then switch to a console (using CTRL+ALT+F*) and then > back to X (CTRL+ALT+F7), 1/2 the time it comes back, the other half I > get a black screen and I can never recover the session. Under normal circumstances with a CentOS 5 install you should not need to run "startx" because GDM will already be running on console F7. Did you do something to disable GDM? If not, might it be that you have two X11 sessions battling for the same virtual console?