1: Double-click on “My Computer”.

2: Select the disk/partition that you want to diagnose and repair.

3: Right click on the disk/partition you selected and click on “Properties”

4: Choose the “Tools” tab.

5: Click the “Check Now” button under “Error Checking Status”.

6: Depending on your type of Windows, choose “Thorough” or “Scan for and Attempt Recovery of Bad Sectors.”

7: Click Start.