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Previous situation was a working dual boot Ubuntu/Windows 10.

I decided to install Kali Linux instead of Ubuntu, so during the installation process, I removed and overwrote both ext4 partitions that contained Ubuntu.

During the installation, Kali told me it was unable to install grub.

Rebooting results in a grub prompt. I am only able to get into Windows by pressing F12 when the Dell logo is visible on screen.

I've tried to fix it by running the boot-repair-disk from here. This doesn't work, but provides a boot info summary, which can be found here.

Does anyone know how to fix grubso that I can boot into Windows and Kali?


Update I'm currently booted into Kali by using SuperGRUB2 Disk. When I tried to run grub-install, I got bash: grub-install: command not found.

I fixed that by removing and reinstalling grub. After that:

#sudo fdisk -lu
Disk /dev/nvme0n1: 477 GiB, 512110190592 bytes, 1000215216 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: 0F7188DF-BE33-491B-AE57-6E2E6841C9F0

Device             Start        End   Sectors   Size Type
/dev/nvme0n1p1      2048    1026047   1024000   500M EFI System
/dev/nvme0n1p2   1026048    1288191    262144   128M Microsoft reserved
/dev/nvme0n1p3   1288192  488976383 487688192 232.6G Microsoft basic data
/dev/nvme0n1p4 488976384  968964095 479987712 228.9G Linux filesystem
/dev/nvme0n1p5 968964096 1000214527  31250432  14.9G Linux swap

#grub-install /dev/nvme0n1
grub-install: error: /usr/local/lib/grub/x86_64-efi/modinfo.sh doesn't exist. Please specify --target or --directory.
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  • Please be aware that Kali isn't really intended for daily use (it simply isn't. It's possible to make it work by creating a non-root user and stuff, but again, the OS isn't intended for this). I'd advise installing it to a flash drive and booting as necessary, and using a proper OS meanwhile (Ubuntu, Arch, Windows etc). If you really want to use pentesting tools in your daily OS, I'd look at something like ArchStrike.
    – ave
    Aug 20, 2017 at 8:17
  • Thanks for the advice. I use Windows as my daily OS, and found that installing Kali makes it work faster than from my USB. Aug 20, 2017 at 8:29

2 Answers 2

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From your terminal, run the following commands:

$ sudo add-apt-repository ppa:yannubuntu/boot-repair  

$ sudo apt-get update

$ sudo apt-get install boot-repair

$ boot-repair

I hope this help fix your GRUB issue

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The problem was that I had not installed Kali as EFI. After I recreated the USB drive (using Rufus), the reinstall went smoothly.

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  • Okay, so everything now works fine right?
    – antzshrek
    Aug 20, 2017 at 11:10

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