i have dell inspiron m101z which i was running with ubuntu 11.04 .
Tomorrow i upgraded it to ubuntu 11.10 , unfortunately its not booting up
lightdm display manager is not loading and boot halts after "checking battery status ..."

i left some my important data in my home folder which i want to copy to my external
but as system is not booting up so i login to diff tty and attach my extrnal drive but the drive is not being shown under media folder so i am unable to copy it ... is there any method to recover data in my case
!!!

aftr that i want to do a clean install