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I have been trying for days now to get Ubuntu to dual boot with Windows 10, I have it installed but won't show at all looks like it's invisible.

Brandon Johnson
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1 Answers1

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Depends a lot how your windows is set up to boot, and whether you are using windows' boot loader or GRUB bootloader in MBR.

Here's one way to do dualboot, (even) if Windows is running on a bitlocker-encrypted drive: https://confluence.csc.fi/display/ATUKI/2016/08/05/Dual-booting+Bitlocker+Windows+7+and+Ubuntu+16.04+with+NeoGRUB+and+EasyBCD

Steps to create the dualboot:

  1. Shrink the existing NTFS partition to make room for the Ubuntu installation. Rightclick Computer - Manage - Disk Management - rightclick partition - Shrink Volume. About 20-30GB should do.
  2. Pause bitlocker while the configuration is being updated. Control panel - Bitlocker Drive Encryption - Suspend Protection
  3. Create a Live-USB of the Ubuntu or whatever Linux you're about to install. Used LiLi myself.
  4. Boot the computer with the Live USB stick, Install Ubuntu with advanced settings.
  5. Add two logical partitions to the empty space: a swap partition the same size as the machines RAM, and an ext4 partition with mountpoint / (root) Make sure to set the bootloader to the logical partition, not MBR. Example: /dev/sda6 instead of /dev/sda
  6. After Ubuntu has finished installing, boot to windows and download EasyBCD
  7. Reveal the unencrypted windows partition from Computer - Manage - Disk Management - rightclick system partition - Change drive letter and paths. I assigned the letter Q: for the system drive.
  8. Using EasyBCD, Add a new entry to the bootmenu from the NeoGRUB tab (install)
  9. Click configure on the NeoGRUB tab and write this entry, referencing /dev/sda6: 
    title Ubuntu
root (hd0,5)
chainloader (hd0,5)+1
  10. Save changes from the Edit boot menu -tab
  11. Boot, verify that both Windows and Ubuntu start, resume bitlocker protection
Joni Nevalainen
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