help

[Eric Dong]

hi, i am a new comer of redhat linux. just now my linux(7.2) down for power failure, and when i reboot it, i can not find the kiker bar(i don't the exact name of it, just like start menu on the desktop), so i can not open shell and run program. who can rell me how can i deal with it. thks a lot.   Eric Dong