On 06/17/2015 04:49 AM, deoren wrote: > > I'm still puzzled why the laptop appears to lockup when attempting to > login to the desktop environment when using CentOS, but not Ubuntu > 15.04. Any thoughts there? I can't remember the whole thread but it seems you have an nvidia GPU and are using nouveau? If so, try installing nvidia-detect and then the correct nvidia driver for your system (from elrepo), and see if that helps. Could be a nouveau problem. http://elrepo.org/tiki/nvidia-detect