When i boot into ubuntu 11.10 it shows only a black screen stating "busybox built in shell (ash)" Enter'help' for list of keyword It was a fresh install,Installed some basic componets such as 'Ubuntu restricted extras' and 'vlc media player' and 'adobe flash' Real problem is I cannot boot into ubuntu instead it boots me up in busybox shell.I have included a screenshot.
closed as off topic by Marco Ceppi♦ Feb 2 '12 at 18:59
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Hi I had similar problems and they depended on my cdrom. Try to login in recovery mode. If you get stuck with some message regarding SATA then CD-Rom is your problem. For me it has been enough to remove it and everything has kept working fine then.