CodePudding user response:
Take an empty 8 g U disk, to the Microsoft website to download system, download it is time to have a prompt, select installation disk production system, when the download is complete, the need to reinstall the computer, boot up, enter the BIOS, choose U disk boot, preservation, restart, waiting for...CodePudding user response:
Bring their own tools to restore the factory with machines, specific methods directly ask lenovo after-sales. 400-990-8888