Win10 already on the small white just contact ubuntu, computer system, the startup disk install ubuntu system, forced to shut down, causing no successful installation, restart the computer now, again use of startup disk appeared the following images, but win10 system everything is ok, I see online said the first case of the solution in the boot file:
In the image file that has installed, select the folder EFI/BOOT \, will the grubx64 inside. The EFI mmx64 instead. The EFI, but doing so will be the second image, the ball ball great god told what to do,

CodePudding user response:

May be is grub EFI didn't pack good,

Suggest try to start the u disk into the installation system, under the terminal input
Sudo grub - install, efi - directory=/boot/efi/dev/SDB # SDB is hard disk corresponding equipment


Details please refer to:
https://askubuntu.com/questions/831216/how-can-i-reinstall-grub-to-the-efi-partition

CodePudding user response:

By the way, if the building machine is 64 efi hard disk, in the grub install command - need -- target=x86_64 - efi