Login as root in console mode
-first to reset your XFree86 config you messed up.
delete the file /etc/X11/XF86Config-4
-reset your X11 config
run /usr/sbin/XFdrake ... and generate a new config file with the GUI
-For your mouse
run /usr/sbin/drakconf and reset your mouse...
if it doesnt work, try the others /usr/sbin/drak* applications in the folder
please message me if it works or dont works at firstname.lastname@example.org