📎 AI Summary:
The thread discusses setting up a dual-boot system on an Asus P8Z77-V PRO/THUNDERBOLT motherboard, focusing on creating a rescue OS using Lubuntu on a new NTFS partition. The user initially doubts whether the new partition will appear in BIOS boot options, but is advised that BIOS recognizes only drives, not partitions, and that installing Linux with a boot loader like GRUB will enable OS selection. They successfully installed Lubuntu and now seek to configure boot options to boot Windows by default, considering tools like uefiedit, ultimately preferring simple OS selection without delaying the boot process. Overall, the user finds the advice practical and discusses how to streamline dual-boot management.
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ztplru

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Thread Author #1
Hi,

Have an Asus P8Z77-V PRO/THUNDERBOLT.

I created another ntfs partition on my ssd C: drive. It is is to install Linux Lubuntu.

My idea for a 2nd OS is purely for rescue purposes so i can access internet from lubuntu and try to fix windows or reinstall it without having a dedicated usb with it for this purpose.

But when i go to BIOS boot options the partition doesn't show up. Tried a few things with no success.

As i don't want to screw things up; is this what i need?
How to Create a Bootable Partition with DiskPart (Windows Embedded CE 6.0)
 

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Solution
Neemobeer
When you select a hard drive the boot process get's handed off to the boot loader on the hard drive. When you install a Linux distro it will install the grub boot loader which will allow you to select either Windows or Linux to boot up
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Neemobeer

Neemobeer

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#2
Which Linux distro are you going to install? Linux doesn't use ntfs. You'll want to delete the extra partition and just leave it empty. Boot into your Linux installer and there should be an "Install along side Windows" option. Then select the empty space and it should handle the rest.
 

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ztplru

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Thread Author #3
Neemobeer said:
Which Linux distro are you going to install? Linux doesn't use ntfs. You'll want to delete the extra partition and just leave it empty. Boot into your Linux installer and there should be an "Install along side Windows" option. Then select the empty space and it should handle the rest.
Click to expand...

Updated the OP not to mislead and waste time to other readers.

I'l try what you said! But doing it will make the partition show at the Bios option?
Check image!
View media item 715
 

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ztplru

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Thread Author #5
Neemobeer said:
No, BIOS doesn't recognize partitions
Click to expand...

Duhhhhhh! Sorry but how will i choose Lubuntu instead of windows?
My desktop has a button that switches to another OS.

Will check if it works after your reply and after i do the setup.
 

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Neemobeer

Neemobeer

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#6
When you select a hard drive the boot process get's handed off to the boot loader on the hard drive. When you install a Linux distro it will install the grub boot loader which will allow you to select either Windows or Linux to boot up
 

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Solution
nmsuk

nmsuk

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#7
It can be added using uefiedit. Which is relatively trivial
 

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ztplru

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Thread Author #8
Neemobeer said:
When you select a hard drive the boot process get's handed off to the boot loader on the hard drive. When you install a Linux distro it will install the grub boot loader which will allow you to select either Windows or Linux to boot up
Click to expand...

Thanks for giving me a solution!
It worked after i shrinked 10GB. With 5GB lubuntu was pointing to my D: drive.

The 2nd OS is purely for rescue purposes so i can access internet from lubuntu and try to fix windows or reinstall it without having a dedicated usb with lubuntu for this purpose.

Any idea why i CAN boot windows on both /sda1 & /sda2 ? Why do i have 2?

An image from '2nd partition not showing in BIOS boot selection.'. GNU GRUB boot menu showing options to boot Ubuntu or Windows 7 on a Dell monitor.
 

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ztplru

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Thread Author #9
nmsuk said:
It can be added using uefiedit. Which is relatively trivial
Click to expand...

Although GNU Grub does the job i would prefer to select the partition whenever i need it and leave the rest as it always has been; booting windows 7 by default without waiting!

I'l look into uefiedit, thanks! :)
 

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