Hello, I am running in problem of changing boot mode. My snort script dump packets speedily that I am unable to login as either GUI or CLI I have followed steps Boot Menu options -> pressing e -> kernel /vmlinuz-2.6.32-358.6.1.el6.x86.64 ro root=UUID=ac176b7b-cbbf--> then press e-> <TYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet radeon.modeset=0 when I try to change 0 to 1,3,5 it reverts to 0. What should I do now ?? Need help !! I am trying continuously from 6-7 hours!! Thanks !! -- *Cheers, Mayur*.