On Sat, 2015-02-07 at 23:06 -0500, Mark LaPierre wrote: > Hey all, > > On my X86-64 CentOS 6.6 machine I just ran yum update. In the update > was an upgrade from the 340.XX Nvidia package to the 346.XX package. > Hrmmm? I'm thinking this is not a good idea but, since this is just a > test system any way, I let it run. Sure enough I was right. Dmesg says > that my video is supported by the 340.XX driver, not the 346.XX driver. > It's not happy cause it can't find a supported GPU. > > 1. So, having only a command line interface, how do I tell yum to rip > out the 346.XX package and reinstall the 340.XX package? > > 2. How do I tell yum not to do such stupid stuff again? Assuming you mean that you just updated the kmod-nvidia package, then follow the instructions at the top of this page. http://elrepo.org/tiki/kmod-nvidia It happened to me, too. Easy fix. :-) Steve