What is occuring for you to ask if you need to format
click start control panel administrative tools computer management disk management right click on your drive select properties click tools you should see click check now click start two boxes automatically fix files and scan for and attempt recovery of bad sectors place then a tick in both boxes then select check now start or you might tick one box then return after its finished the first repair then return and tick the second box you should not do anything while the chkdsk utility is in progress any input may damage this drive I found that you get best results by ticking one box then returning after it has finished then tick the other box hope this helps you
Answers & Comments
What is occuring for you to ask if you need to format
click start control panel administrative tools computer management disk management right click on your drive select properties click tools you should see click check now click start two boxes
automatically fix files and scan for and attempt recovery of bad sectors place then a tick in both boxes then select check now start or you might tick one box then return after its finished the first repair then return and tick the second box you should not do anything while the chkdsk utility is in progress any input may damage this drive
I found that you get best results by ticking one box then returning after it has finished then tick the other box
hope this helps you