Fix grub2 boot UEFI after Ubuntu dual system reinstallation of Windows
If you have installed Ubuntu and Windows and then reinstalled Windows. Then the Grub boot entry will most likely be overwritten by Windows Boot Manager and you won’t be able to enter Ubuntu at that time. But don’t panic, follow the steps below to fix grub2 boot without installing additional software. Creating a USB boot disk for Ubuntu In order to repair the boot entries, we need to use the software tools provided with the Ubuntu system. Although we can’t get into the original Ubuntu system for now, we can use the image written on the Ubuntu USB stick to get a working basic Ubuntu environment. Download the image file from the Ubuntu website. You can use rufus to quickly create a USB boot disk, taking care to … Read more