start system restore using command prompt

Note - you must have a administrator privilege to perform this task.

To start System Restore using the Command prompt, follow these steps

• start your computer, and then press and hold F8 during the initial startup.
• in the menu, select safe mode with a Command prompt.
• If you prompted to select an operating system, use the arrow keys to select the appropriate operating system and press enter.
• log on as an administrator or with an account that has administrator privilege.
  
• at the command prompt, type %systemroot%\system32\restore\rstrui.exe, and then press ENTER
• now follow the instruction in screen to restore your computer to a functional state.

important - If you have not previously set a restore point in System Restore, you cannot restore your computer to a previous state