I believe I may have found a fix for my computer (closing the lid doesn't crash any more, and I haven't had any X crashes since doing this):
`sudo add-apt-repository ppa:ubuntu-x-swat/x-updates sudo apt-get update sudo apt-get upgrade`
I believe I may have found a fix for my computer (closing the lid doesn't crash any more, and I haven't had any X crashes since doing this):
`sudo add-apt-repository ppa:ubuntu- x-swat/ x-updates
sudo apt-get update
sudo apt-get upgrade`