Reset your PC feature to permanently remove all personal files, software you have installed, and to return the computer to factory settings.

Use the Reset your PC feature to permanently remove all personal files, software you have
installed, and to return the computer to factory settings.
Use the following steps to reset your computer from the Start screen:
1. From the Start screen, type reset to open the Search charm, and then select Remove
everything and reinstall Windows from the search results.
 : Search for reset

The Update and recovery window opens.
2. Under Remove everything and reinstall Windows, click Get started.
 : Update and Recovery

3. On the Reset your PC screen, click Next.
 : Reset your PC

4. If prompted, insert your Windows 8 installation disc or recovery media.
5. If your computer has more than one drive installed, you must select whether you want
to reset only the drive where Windows is installed, or reset all drives. Make your
selection, and then click Next.
6. Next you will be asked if you want to fully clean your drive. When you remove your
files, you can also clean the drive so that the files cannot be easily recovered. Select
either Just remove my files or Fully clean the drive. Then click Next.
 : Choosing the cleaning level

7. On the Ready to reset your PC screen, click Reset.
caution:
Your personal files and settings will be destroyed by performing this step.
Make sure you have backed up all your important files on another drive before
performing a reset. If you need help backing up your files, you might want to
contact a professional data recovery service. 
 : Ready to reset your PC

8. Wait while Windows resets your computer. This might take awhile, and your
computer will restart.
 : Resetting your computer

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Reset your PC If Windows cannot open to the Start screen

If Windows cannot open to the Start screen, you can still use Reset your PC to permanently remove all personal files, software you have installed, and to return the computer to factory settings. To do this, you need to open the Choose an option screen.

Complete the following steps to reset your computer using the Reset your PC option:

1. Start your computer and press the F11 key repeatedly.
The Choose an option screen opens.
2. On the Choose an option screen, click Troubleshoot.
Figure : Choose an option

3. Click Reset your PC.
Figure : Reset your PC

4. On the Reset your PC screen, click Next.
caution:
Your personal files and settings will be destroyed by performing this step. Make sure you have backed up all your important files on another drive before performing a reset. If you need help backing up your files, you might want to contact a professional data recovery service.

Figure : Reset your PC

5. Read and respond to any screens that open.
6. Wait while Windows resets your computer. This might take awhile, and your computer will restart.



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