【系统恢复】How do I RESTORE my system to the original factory setting

方法1 (HP为例)：

• Click Start and enter Recovery in the search field. Select Recovery Manager from the list when it becomes available. Allow the action to continue, if prompted. The HP Recovery Manager opens.
  Alternately, click Start , All Programs , Recovery Manager , and then Recovery Manager . Allow the action to continue, if prompted. The HP Recovery Manager opens.

• Click Advanced options , System recovery , and then click Next . The PC will restart and reopen the recovery manager.
  Alternately, if Advanced options is disabled, click Next , and then System Recovery . The PC will restart.

• When the PC restarts, select the System recovery option and click Next .

• If prompted to use the Microsoft System Restore program, click No , and then click Next .

• When prompted, select the Back up your files first (recommended) option, and then click Next . Follow the on-screen instructions.

• When prompted to Recover without backing up your files , please STOP before clicking Next .

  WARNING:

  This is the final opportunity to change your mind about recovering the PC and deleting all the files and programs. Once you click Next , the restore process cannot be stopped

• If you are satisfied that you want to begin the recover process, click Next . The PC immediately begins formatting the hard drive and destroying all data.
  
  方法2(Dell为例)：
  Remove Everything and Reinstall Windows Steps (RESET PC in Windows 8)
  
  • Open the Charms bar (Press Windows+C) while on the desktop
  • Click on the Settings button
    
  • Open the General section of PC Settings
    
  • Remove everything and reinstall Windows. If you want to recycle your PC or start over completely, you can reset it to its factory settings.

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