>> > >I have a CentOS 3.6 and 4.3 box sharing a kvm switch. Switching >> > >from the >> > 4.3 box to the 3.6 and back again, the mouse stops responding. >The >> > keyboard works just fine, and I can ssh into the box. >> > >I have tried <ctl><alt><bksp> and while it does restart the x >> > >server, it >> > doesn't seem to affect the mouse. >> > >> > >Is there something I can run to get the mouse recognized again >> > >short of >> > restarting the computer? >> > >> > Try adding "psmouse.proto=bare" to the kernel line in >> > /etc/grub.conf. There are some other protocols you could try if this one is unsuitable. >> > >> >> Also, with my kvm switch I need to set the driver in >> /etc/X11/xorg.conf to for the mouse to: >> >> Option "Protocol" "ExplorerPS/2" >> >> instead of IMPS/2 or PS/2 >Thank you for the suggestion. I have made this modification to the xorg.conf file, and restarted X. I still am not getting any response >from the mouse. Is there a service I can restart, or a program I can run to try and re-enable the mouse, or will I have to reboot the >computer? Did you add "psmouse.proto=bare" to the kernel line in grub.conf and reboot? I guess not from your response. You will need to do this. Daveh