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So I messed up. Like really.

But let's start from the start.

A few hours ago I decided I need Ubuntu in my life, as my work laptop was being purged for the new owner. As I am a man of my words I installed the latest version of Ubuntu.

My thought process was as follow:

  1. I have my SSD for Windows 10 and games
  2. I will use HDD for Ubuntu and work

Sounds simple, right? As I thought I did. I have formatted the HDD, created a 100GB partition and was happy to configure Ubuntu. But wait.

Why I see no GRUB!? So here goes moment 1.

Fast googling, ha! there is a solution: https://www.howtogeek.com/114884/how-to-repair-grub2-when-ubuntu-wont-boot/

I did it, once, twice, three times... No results. I tried - I hope every configuration. below one of many versions of outputs:

http://paste.ubuntu.com/p/wmHwNH8YF3/

OK - I did more research on the booting options. This is a Windows issue - no problem. I have created the win 10 booting USB and begun the fun time of fixing it - nothing worked. UNTIL. Until I figured out I will purge all of the partition except the one that is with windows and games - because... I have no clue why. Honestly, I just don't.

As I said - I am a man of my words - so I removed it all.

And now I am in a puzzle as I do not have a clue what to do next.

And I will not reinstall windows. I have there too many GB to download I just started Divinity Original Sin 2 and I loved it!

Help me out guys - as I am empty and I have no clue what to do next.

Kristopher Ives
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tzim
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2 Answers2

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Because your Windows drive is MBR, your Windows install is in BIOS boot mode. And since you have two drives, you should always use Something Else install option and install grub2's boot loader to Ubuntu drive. Default is normally first drive and most often sda/Window drive. But you want to keep Windows boot loader in MBR of Windows drive.

When you installed Windows was BIOS set to default boot from HDD? Windows 7 or later normally uses a separate Boot partition with two boot files, bootmgr & /boot/BCD. But you are totally missing those files. They can be in same partition as main install or c:, but normally are not. You must use Windows repair/recovery disk to fully repair Windows. Make sure BIOS is set to boot Windows drive. Only after Windows boots, then set BIOS to boot HDD and use grub to dual boot.

Also with multiple drives do not run Boot-Repair's auto-fix. That installs grub to every drive's MBR, so no matter what settings you have in BIOS, it will boot grub. You actually want BIOS set to boot Ubuntu drive, but have Windows boot loader in Windows drive. Grub only boots working Windows or Windows that is not hibernated/fast boot on. And Windows with updates will turn fast start up back on.

http://askubuntu.com/questions/843153/ubuntu-16-showing-windows-10-partitions

oldfred
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I was not able to find a solution that would allow me to have Windows working. I was able to have the Ubuntu working fine.

In a long run, I did a format and ran a clean installation of Windows.

tzim
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