If you are concerned about the performance of your hard drive, or if you want to perform periodic maintenance on your Windows file system, refer to the methods provided below for your version of Windows.
Tip : Close all programs, web browsers, etc. open before performing a disk scan to ensure that its activity is minimal during its analysis.
Windows 7, Vista, XP, 2000
System File Checker (SFC) is a command-line tool that scans corrupted files and resources in your system. Follow these steps to analyze your drive with SFC.
Press the Windows + X keys to open the Tasks menu for the privileged user.
Select Command Prompt (Admin).
A user account control prompt will appear. Click Yes .
At the command prompt, type sfc / scannow and press Enter .
Note : Do not close the Command Prompt window until the scan shows that it is complete. Depending on your system, the scan can take anywhere from 15 minutes to a few hours.
Tip : If you receive the message “Windows Resource Protection was unable to perform the requested operation,” start your computer in safe mode and repeat the steps above.
To scan your hard drive for errors, we recommend that you follow these steps.
-Open a file explorer window by pressing the Windows + E keys on your keyboard.
-In the File Explorer window, click This PC in the left navigation pane.
-Under Peripherals and Drives on the right side of the window, right-click the drive you want to scan and select Properties .
-In the Properties window, click the Tools tab .
-Click the Verify button in the Error Checking section.
-Click Scan Drive . If Windows needs to restart the computer to perform the scan, it will let you know.
Windows 7, Vista, XP and 2000
To run ScanDisk, follow the steps below.
Double-click on My Computer.
Highlight a local hard drive by clicking on it once.
Right-click on the local drive highlighted and select Properties .
Click the Tools tab , and then click Check Now to look for errors on the drive.
The computer must restart to run ScanDisk without interruption.