How To Fix Hard Drive with built-in Hard Drive Utility
Before you start to fix a hard drive, make sure you have an up-to-date backup. After that, let us do some simple diagnostics and repairs. Both Windows and Mac OS come with built-in hard-drive utility that scans your hard disk for errors and attempts to fix them.
Fix Bad Sectors on a Hard Drive
For Windows
1. Double-click on My Computer to open the My Computer window.
2. Select the Drive that you want to diagnose and repair.
3. Choose Properties from the File menu. You should see the Properties window for the drive that you selected.
4. Choose the Tools tab.
5. Click the Check Now button under Error Checking Status.
