Laptop goes black and doesn't work

Brijesh Ghimire

Honorable
Feb 1, 2014
1
0
10,510
when I open my laptop it says
"SMART failure predicted on Hard Disk 0: ST9500325AS- (S1)
WARNING: Immediately back-up your data and replace your hard disk drive. A failure may be imminent.
Press F1 to continue"
It used to work earlier after pressing F1 but now the windows 8 flag appears and shows loading sign for a long time and nothing comes after ward. However sometimes a black screen appears with only a visible cursor. What is wrong with my laptop?