Fix grub2 boot UEFI after Ubuntu dual system reinstall Windows
If you have installed Ubuntu and Windows dual system, then reinstall Windows system. Then the Grub boot item will most likely be overwritten by Windows Boot Manager, and you will not be able to enter Ubuntu at this time. But don't panic, follow the steps below to fix grub2 booting without installing additional software. Making Ubuntu's U Disk Boot Disk In order to repair the boot entry, we need to use the software tools provided by the Ubuntu system. Although we are temporarily unable to access the original Ubuntu system, we can use the image written on the Ubuntu USB stick to get a working basic Ubuntu environment. Download the mirror file h… Read more