Hard Drive 0 short sell test unsuccessful

Hello,

My windows 8 wont boot, it loads for a while then say that an error was ocurred and the system
reboot again and i got stuck in this cycle, so i ran the diagnostics and got a hard drive failure as
you can see in the attached image that follows. I want help to solve this problem because i do a lot of college work on this notebook, thanks in advance, hope to hear from you guys soon.