View Full Version : [ubuntu] Correct way to install Ubuntu 12.10 with dual Win 8?

November 22nd, 2012, 09:38 AM
So, I've read hundreds of post and pages and pages of websites on all the issues surrounding the installation of the dual boot with Win 8 and ubuntu 12.10.

What is the correct procedure and or path to take in completing this task?

Secure boot Disable to not? GRUB2 is not affected?
Partitions all primary in UEFI?
Legacy mode go to UEFI?
What type of partition ext4 or ext3
Dual boot and hibernation mode, losing information and or not really shutting down windows.

1. Shrink windows partition with windows disk management, to allow room for ubuntu. Reboot windows several times.

2. Download Ubuntu 12.10 64 bit version and create start up media (either CD, USB etc...)

3. Boot from media ie USB or CD and choose try ubuntu without installing

4. Use Gparted to create two partitions one for mount / and the other for swap
a. The one for mount is the ubuntu partition. Primary, EXT4
b. the swap is for the swap and choose that as an option primary, ext4

5. Now choose install ubuntu

6. choose the something else option instead of along side windows or the other options.

7. On the next screen choose the partition to install ubuntu, the one from step 4a above.

8. You should see the screen and your in ubuntu.

Not sure what to do about secure boot, or some of the other issues. Anyone want to elaborate on the steps above and or change them. I think we need to get some directions and work off of that, instead of searching all the websites and wiki's etc....



November 23rd, 2012, 05:17 AM
I've noticed that there are a few post on this forum related to this and it would be nice if anyone who has experience in this process to add to or adjust the directions, so that we could start with something that is workable.


November 23rd, 2012, 06:26 AM
I have not done it myself, but tried to help and got results from many users. Some highlights.

Windows only boots from gpt partitioning with UEFI. Ubuntu will boot from gpt partitioning with UEFI or BIOS. I use gpt with BIOS, but need a bios_grub partition. With UEFI the first (or maybe second with some Windows installs) must be the efi partition.

UEFI while a standard is implemented differently by each vendor.

All partitions with gpt are in effect primary as there are no extended nor logical partitions.

Only the 64 bit version of Ubuntu works with UEFI. Both Windows & Ubuntu have to be booted from the UEFI menu in UEFI mode to install in UEFI mode. Booting in BIOS mode will cause issues. Both Windows & Ubuntu have to be either BIOS or UEFI. But Boot repair can fix BIOS installs by converting from grub-pc (BIOS) to grub-efi (UEFI).

Some have reported being able to boot both Ubuntu & Windows 8 with secure boot on or off after installing Ubuntu. Again may depend on your UEFI.

WARNING for Windows 8 Dual-Booters
It defaults shutdown to a hybrid hibernation/off state for fast boot
But then files may be corrupted similar to Windows 7 Hibernation:




Ubuntu's default is ext4 and has been for many versions.


Grub2 has with 12.10 the newest grub2 version 2.00 which includes compatibility with secure boot. No other version does. 12.04 will get the grub2 2.00 version with the next point release in Jan.
Grub still has a bug in creating a chain load entry to Windows. It creates a BIOS version which does not work. Boot_Repair can fix that also.

Boot Repair -Also handles LVM, GPT, separate /boot and UEFI dual boot.:

Dual-boot Windows 8 and Ubuntu 12.10 on UEFI hardware

Windows 7 installs with UEFI that worked.
UEFI dual boot two drives
UEFI boot Issue with Alienware X51
UEFI dual boot trouble: Win7x64 - Ubuntu 12.04 LTS amd64

December 4th, 2012, 07:52 PM
Installing Ubuntu along with Windows 8 is almost same as installing Ubuntu with other Windows OS. Only things differ is the GUI rest technical aspect is almost same.

I recommend
Steps to Install Ubuntu 12.10 with screen shots (http://www.fosspedia.com/how-to-install-ubuntu-12-10-alongside-windows/). :)

December 4th, 2012, 11:14 PM
Ok, so how do I roll back to what you suggest.

BTW, this is pretty much what I and many others have done.

How do you handle the Grub2 and Win 8 issues and the directly booting to windows?


December 5th, 2012, 07:21 AM
I thought you went with EasyBCD which does not work with UEFI.


Where are you at, you never posted the BootInfo report from Boot-Repair.

And you should use Boot-Repair to resolve the bug in grub2's os-prober not creating the correct chain load entries.
Wrong style chain boot entry

If you are booting Windows and have Ubuntu correctly installed, you do have to go into the UEFI menu and choose to boot ubuntu.

April 2nd, 2013, 09:01 PM
*I changed secure boot to off

1) Shrink the windows partition using windows disk management.
* allows room for Ubuntu
* Reboot several times

2) Boot from live CD of Ubuntu 12.10
* Choose try without installing

3) Use Gparted to make 2 partitions and an empty space following the partitions
*the first partition is the main partition where you will allocate most of the memory
*choose ext4
*the second partition is the Linux swap drive
*make sure it says swap-drive
*I am using a computer with a Tera-bite hard-drive so I put 9 GB in it
*I would like to know what the minimum is.
*finally leave 100 MB as free/unallocated space at the end of the partition
*it becomes the boot Grub
*must be at the end? Had problems when at the beginning but it may have been a different issue
*exit Gparted
*do not mess with unknown space it is part of win 8

4) Click on “Install Ubuntu”
*choose language
*if you want to read release notes do it now
*click continue

* I always install third party software but I update after installed
*can take a long time to update
*click continue

5) Installation Type
*choose “do something else”

6) locate the first/biggest drive you made in Gparted (the one you want to put Ubuntu on)
*double click it to edit partition
*change “use as” to “ext4 journaling file system”
*click format drive
*select mount point
*i used “ / ”
*exit the partition

7) Locate the second drive (the one you made a swap-drive)
*double click to edit partition
*make sure it says swap area or swap-drive or swap...
*exit partition

8) Locate the 100 MB of unallocated space (the 100MB you saved in step 3)
*double click to edit space
*change the “use as” to “reserved bios boot area”
* do not change any other settings
*exit partition
*wait a minute for the computer

*Only use spaces that you made in Gparted
*do not change any settings in the drop-down menu at the bottom of the screen

9)Click Install
*hope for the best
* I was trying to install the nvidia drivers but kept bricking ubuntu so I ran this process several times

This process worked on my Dell Insperon 7720. I still have to go through the bios and switch between legacy boot for Ubuntu and uefi for win 8, so this is a ugly work around. I'm still hoping for something better.

All tab space gets left out of the post?

Special thanks to Denis who made it possible for me to dual boot my computer and the first part of my instructions.



April 3rd, 2013, 12:51 AM
If you boot Ubuntu installer in UEFI mode (not all systems let you), it will install in UEFI mode and let you dual boot from grub menu. You still need fixes from Boot-Repair for correct chain load entry.

Since you installed in BIOS mode you do have to go into UEFI change to BIOS or vice versa. But you can use Boot-Repair to convert your BIOS/CSM mode install to UEFI. It uninstalls grub-pc(BIOS) and installs grub-efi(UEFI) and modifies a few settings. Then you can dual boot from the grub menu.

Some systems work with secure boot on. Some only work with secure boot off. And some only boot Windows efi file, but Boot-Repair has a work around, renaming files.

How Boot-Repair fixes a Ubuntu with grub-pc with efi Windows

Boot-Repair - Updated Jan 1, 2013 to not rename first time, but rename if first time Windows does not boot. Post 706 and 711
Boot-Repair copied /EFI/ubuntu/grubx64.efi to /EFI/Boot/bootx64.efi (in case the BIOS is hard-coded to boot into /EFI/Boot/bootx64.efi or secure boot signed GRUB file shimx64.efi.

grub2's os-prober creates wrong style (BIOS) chain boot entry
type of entry from Boot-Repair that should work.
'Windows UEFI loader'
Type of entry that does not work:
'Windows ...) (on /dev/sdXY)'
Some info in Post #3 on cleaning up menus, if desired.