I know that there has been post about this situation before and i have looked over it but i have questions of my own and i'm not sure if my situation is that similar to the other threads. here's my situation: I was scanning for some viruses on my brother's computer when it started lagging really bad. I decided to restart the computer but it ended up freezing. I've tried the alt+ctrl+ del method but that didn't work either so i manually closed it. When i booted up the computer a screen appeared and said: Intel (r) Celeron (r) processor, 2.80 GHz 504 MB system RAM Legacy keyboard....Detected Legacy mouse........Detected USB Legacy...........Enable Auto-detecting USB Mass Storage devices.. 00 USB mass storage devices found and configured Fixed Disk 0: PM-HDS722580VLAT20 (Ultra DMA Mode ATA/1000 ATAPI CD-ROM SM SAMSUNG DVD ROM SD-816B ATAPI CD-ROM SS-SAMSUNG CD-R/RW SW-248F Pri Master Hard disk: S.M.A.R.T Status BAD, Backup and Replace Press <f4> to Resume when i press <f4> it went to a screen that said a disk read error occurred Press Ctrl + Alt + Del to restart When i press ctrl + alt + del it restarted and ended up going to the skreen above and it wont load the window os. I've heard that you can continue to use the computer if i disable the S.M.A.R.T function but how do you do that? Don't you need to go on dos or something? I'm so computer illerate. I need to backup my brother's files and send it back to the manufacturer or if there's an easier way to solve this problem. My brother and my father is definitely going to kill me. We just got this computer. Thank you very much and i'm sorry for being a nuisance if the answer is the same as the one in the other thread.