Score:0

Unable to boot any of my systems without flash drive

in flag

I installed Kubuntu 21.04 on a HDD but it was only booting with the installation stick still plugged in. So I followed the advice the secound response with 11 upvotes in this thread gave Can't boot without Flash Drive plugged in and used boot repair after disconnecting the flash drive: https://paste.ubuntu.com/p/xzhqTsJHn6/

But now my system still won't boot without the flash drive and whats even worse is that my windows systems won't boot either without the flash drive now, cause boot repair has put grub into the mbr of all my hard drives. What can i do now to fix this? How can i remove grub from the mbrs of the hard drives that shouldn't have it (sda and sdd) and how can i get it working on sdb?

C.S.Cameron avatar
cn flag
Does your system boot in BIOS, (Legacy), mode or in UEFI mode?
Panophobia avatar
in flag
BIOS (Legacy) mode.
C.S.Cameron avatar
cn flag
from a Live USB run `sudo mount /dev/sdxy /mnt` then `sudo grub-install --boot-directory=/mnt/boot /dev/sdx` where sdxy is the Ubuntu partition and sdx is the Ubuntu drive. once Ubuntu is booting run `sudo update-grub to add Windows to the GRUB menu. If you want to boot Ubuntu and Windows on the same drive you must use GRUB.
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