How to repair hard disk if is show error;

[unicef1]

The hard disc that i put to my dvr show me error how i can fix it;

 

[scout_03]

use the driver maker test tool

 

[swifty_morgan]

start/my computer/right click drive-properties/tools--- error checking....... I think there's a couple of boxes you need to put check marks in....... follow instructions......... it may do it on reboot. I don't remember anymore.