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I can't make my Windows 8 boot loader to run Ubuntu or even ask me which OS to run as dual boot!

rated 0 times [ 2] [ 0] / answers: 1 / hits: 6700 / 3 Years ago, sun, september 19, 2021, 9:38:47

I've been trying to install Ubuntu 12.04 as secondary OS on my laptop. The primary OS I have is Windows 8.

So I have partitioned drive where NTFS is for Windows 8 and other partition is EXT4 for Ubuntu.

When I installed Ubuntu I picked the EXT4 partition and picked 3 boot loader options so far:

/dev/sta ATA HITACHI (750 GB) <-= this...

/dev/sta1 Windows 8 (loader) <-= and this...

/dev/sta2

/dev/sta5

/dev/sta6 Ubuntu 12.04 (12.04) <-= and this...

/dev/stb

After like 3 installations I still can't boot Ubuntu, nor can even see any boot loader... It goes straight to Windows 8 booting...

Please help! This has been very frustrating day and a half... And I don't think it should take that long to figure out =[

ANSWER: I could not find a proper solution for my problem. I'm not sure if I encountered some drive corruption, or program glitch, the only solution that fixed my problem was to make drive back-up and completely re-partition my hard-drive. Please post if anyone encounter similar problem. As I really would like to know why my drive failed to install Ubuntu on my drive.

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laiuct

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3 Years ago

answered 3 Years ago jectedrin · Accepted Answer

How about you use /dev/sta6 for the grub bootloader. Next steps:

Run update-grub to write the ubuntu bootsector

Copy the ubuntu bootsector into a file: dd if=/dev/sta6 of=boot.lnx bs=512 count=1

Transfer the file to the windows loader partition /dev/sta1, either by copying or via USB stick and booting to windows.

Then use these commands in windows shell to add a Linux selection to the windows loader:

bcdedit /create /d “Linux” /application BOOTSECTOR

BCDEdit will return an alphanumeric identifier for this entry that I will refer to as {ID} in the remaining steps. You’ll need to replace {ID} by the actual returned identifier. An example of {ID} is {d7294d4e-9837-11de-99ac-f3f3a79e3e93}. Next, let’s specify which partition hosts a copy of the boot.lnx file:

bcdedit /set {ID} device partition=c:

bcdedit /set {ID}  path oot.lnx

bcdedit /displayorder {ID} /addlast

bcdedit /timeout 30

http://www.iceflatline.com/2009/09/how-to-dual-boot-windows-7-and-linux-using-bcdedit/