1.
First, prepare a backup USB flash drive that can be formatted, and then download a USB flash drive production tool and a ghost system file.
2.
Then use the startup disk making tool to make the U disk into a startup disk and copy the gho system file to the U disk;
3.
Plug in the USB flash drive, restart the computer, press f2 or f 12 to enter the bios, set the USB flash drive as the priority boot, press f 10 to save and exit, and enter the pe system;
4.
Select the one-button restore tool on the desktop, then select the installation partition of the original system and the gho system file in the U disk in turn, and then select OK.