How To Remove a Bad Sector

The only thing to do really is let Windows try fix the bad sector. If it can’t you may be looking at replacing the hard drive.
You can try a windows fix by following the instructions below:

• Double-click My Computer (located on the desktop)
• Right-click on the C: drive
• Click on the Tools tab
• Click on the Check Now button
• Check “Automatically fix file system errors”
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• Check “Scan for and attempt recovery of bad sectors”
• Click Start
• Restart you computer when prompted and the utility will start automatically.