Hint: it's in poor taste to use words like "urgent" or "help" in titles. By posting a question everyone already knows you need help, and urgency on your part does not constitute an emergency on others' parts. Folks here usually respond as soon as they come across threads, so. . .
Check out smartmontools - start smartd, then use smartctl to query your drive's S.M.A.R.T. routine and find out if the hard drive is in danger of imminent failure.