On Wed, Jan 23, 2013 at 12:26 AM, Jameson <imntreal@xxxxxxxxx> wrote: > On Jan 22, 2013 9:40 PM, "arnaud gaboury" <arnaud.gaboury@xxxxxxxxx> > wrote: > > > > Thank you for help as my box is my working tool > > O_o You should'n do that, you know... As Jameson said, what are the logs? I didn't fully understand if you can or you cannot access your system after downgrading. If so please check your journal's log: # journalctl Also a dmesg could be useful.