Linux Mint Dual Boot

It’s not supposed to be this painful.

I finally (9 months after first attempt) got a UEFI dual boot working.

TL;DR Follow one of these:

  1. http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/
  2. http://www.tweaking4all.com/os-tips-and-tricks/uefi-dual-boot-windows81-ubuntu/

I’m calling Linux Mint my lucky charm as that was the first one I got working as a Vagrant desktop and it’s worked perfectly now that I’ve sorted out the other issues.

Having read and re-read so many articles – there were three final things I had problems with/didn’t understand:

  1. Unetbootin was creating blank USB drives fixed by using universal-usb-installer as recommended by both articles above
  2. UEFI bootable USB stick Universal USB works fine (you can create a UEFI only one by simply extracting an ISO using 7-zip and just copying the files, which ignores the extra step that also installs a MBR file (I think))
  3. Booting to USB when the BIOS is set to UEFI In Windows hold shift and click ‘Restart’ (fucking magic) – this point is buried as almost an aside in the main itsfoss.com article above:

To boot from USB, will have to choose boot from USB option from within Windows itself. Either with PC Setting (like for UEFI) or pressing shift key while clicking on Restart.

Point 3 is also in the wonderfully in-depth tweaking4all.com article.

The rest seemed quite ok as I had the rest of the BIOS settings / fast boot options correct.

Once I got the USB stick working, I ran the check disk once and then went into the live Linux Mint. The first happy thing was that the Wifi was working straight off – which wasn’t before with Ubuntu. I then followed the tweaking4all guide to create:

  • first a root (/) /ext4 logical partition
  • leaving 8GB (8191MB, to equal the RAM size) of space for the swap logical partition.

After Linux Mint installed – basically everything was perfect. Where as the tweaking4all guide talks about running the ‘Boot Repair’ program from Mint before restarting. However I took a gamble based on the itsfoss article that a reboot should work. And it did.

The GRUB bootloader was happily installed into the EFI ‘partition’ (not sure if that’s the right word) so that now starting the computer shows the dual-boot screen.

Then booting Linux Mint works perfectly fine – and again the Wifi was working. As was the other major obvious one of the power button working.

As a minor anecdotal point – the booting times (Lenovo Yoga 13, Core i7, 8GB RAM, SSD) for Mint vs Windows was 20s for both to get to the desktop after logging in. There goes my theory of how gloriously fast Linux is to load. I guess that just isn’t the case with Ubuntu based systems.

Now to blat Mint and see if Fedora is any faster.

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