I'm not sure (sorry), as far as I know, though, no. That'd mean that your
GPU's doing nothing (or not doing everything it is capable of), though (I
think). To be honest my post was a wee bit of a guess (hence the question
mark).
All I can say is that it's best to reinstall the package, then remove it,
then reboot.
If anything goes wrong (and i.e. X wouldn't start), go to the command prompt
and do a 'sudo apt-get install xserver-xorg-video-nouveau' and if the
Internet isn't working you wouldn't need the Internet anyway.
