Re-initializing X windows

[ghilly]

I use a Belkin switch to move between machines/operating systems (SUSE/Netware) when training or testing. Whenever I do the mouse goes berserk, I can do a Crtl Alt Backspace and login again, but it changes nothing. I have to resort to a restart, which is no big deal, just a big irritation. I can use SSH to get to a Netware Server but the ncurses type screens look and behave badly. I'm sure it can't be a big deal, if some kind soul can point me in the right direction I'd appreciate it.
Thanks in advance

Gordon