Win/Ubuntu both installed on my 4th HD - SDD, and after a re-install of Ubuntu 18.04.3 from live cd, I can not get back to Ubuntu.
I use SDA, SDB, SDC as additional hard drives.
I can manually select "Windows" to boot from bios (MSI Mother board) and Win10 boots, however there are 2 other selections there: another Win10 and Ubuntu... both take me to the grub prompt, which I can determine what to do there nor how to fix grub.
Here is my origrinal boot-info report: http://paste.ubuntu.com/p/sFghcwPvtv/ (disregard some of the "old" versions of grub/windows on the other drives, I've swapped hard drives around a bit I guess).
Pertinent parts are below the cut lines.
A few years ago I tried Grub2Win (hence a big part of the mess!), but it seemed to not work after Windows updates so I reverted to the traditional Grub and all was fine.
I then installed boot-repair (I assume it completed the suggestions at the bottom of the initial report) and after it ran, it said there were "Errors": http://paste.ubuntu.com/p/57Hn5BD5cm/ (Pertinent parts are at the bottom)
Is there an easy way to clean all this up (short of nuclear)? or at least get me to a working state?
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=> Grub2 (v2.00) is installed in the MBR of /dev/sdd and looks at sector
1824911768 of the same hard drive for core.img. core.img is at this
location and looks for (,gpt6)/boot/grub. It also embeds following
components:
modules
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fshelp ext2 part_gpt biosdisk
sdd1: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sdd2: __________________________________________________________________________
File system: vfat
Boot sector type: Windows 8/2012: FAT32
Boot sector info: According to the info in the boot sector, sdd2 starts
at sector 923648. But according to the info from
fdisk, sdd2 starts at sector 923656.
Operating System:
Boot files: /EFI/ubuntu/grub.cfg /EFI/Boot/bkpbootx64.efi
/EFI/Boot/bootx64.efi /EFI/Boot/fbx64.efi
/EFI/grub2win/grub2win.boot64.efi
/EFI/grub2win/grub2win.efilevel.124.txt
/EFI/grub2win/grub2win.efirescue.cfg
/EFI/grub2win/grub2win.efisetup.cfg
/EFI/ubuntu/fwupx64.efi /EFI/ubuntu/grubx64.efi
/EFI/ubuntu/mmx64.efi /EFI/ubuntu/shimx64.efi
/EFI/Microsoft/Boot/bootmgfw.efi
/EFI/Microsoft/Boot/bootmgr.efi
/EFI/Microsoft/Boot/memtest.efi
/boot-repair/log/20181204_003552/sdd2/bootx64.efi
sdd3: __________________________________________________________________________
File system:
Boot sector type: -
Boot sector info:
Mounting failed: mount: /mnt/BootInfo/sda1: unknown filesystem type ''.
mount: /mnt/BootInfo/sdd3: unknown filesystem type ''.
sdd4: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: According to the info in the boot sector, sdd4 starts
at sector 1161216. But according to the info from
fdisk, sdd4 starts at sector 1161240.
Operating System:
Boot files: /grub2/grub.cfg /bootmgr /Windows/System32/winload.exe
sdd5: __________________________________________________________________________
File system: ntfs
Boot sector type: Windows 8/2012: NTFS
Boot sector info: No errors found in the Boot Parameter Block.
Operating System:
Boot files:
sdd6: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System: Ubuntu 18.04.3 LTS
Boot files: /boot/grub/grub.cfg /etc/fstab
/boot/grub/i386-pc/core.img
sdd7: __________________________________________________________________________
File system: ext4
Boot sector type: -
Boot sector info:
Operating System:
Boot files:
sdd8: __________________________________________________________________________
File system: swap
Boot sector type: -
Boot sector info:
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An error occurred during the repair.
You can now reboot your computer.
Please do not forget to make your BIOS boot on sdd2/EFI/ubuntu/shimx64.efi file!
If your computer reboots directly into Windows, try to change the boot order in your BIOS.
If your BIOS does not allow to change the boot order, change the default boot entry of the Windows bootloader.
For example you can boot into Windows, then type the following command in an admin command prompt:
bcdedit /set {bootmgr} path \EFI\ubuntu\shimx64.efi
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