scan bad sectors

what is the best tool to use to scan for bad sectors on my hard drive

 

The diagnostic tool from manufacturer page either download this cd

http://www.hiren.info/pages/how-to-burn-iso

in which there are many tools to check your hardware also this programme

http://www.hdsentinel.com/download_hard_disk_sentinel.php

which help us to have a view about my hdd health , this is very useful tool !! :wave

 

The easiest method is to use the Chkdsk utility.

Open Explorer or My Computer and right click the drive and select Properties.

Properties > Tools > Error Checking > Check Now
check the box next to:
Scan for and attempt recovery of bad sectors