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So I've been trying to get a dual boot set up. The problem is that Ubuntu doesn't detect Windows 8 during installation making my only options erase the whole drive or partition manually.

I sectioned off about half the drive (350gb), but whenever I tell it to use that portion it tells me it has no root driver.

So my issue could probably be fixed two ways: 1) help me get Ubuntu to recognize that the system already has an OS. or 2) help me figure out why it isn't using the 350gb to partition.

thanks!

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2 Answers

while installing ubuntu you have to mount the partition you want it to install on as / (root drive). you can have more partitions for /home, /usr, /var and any other folders / subfolders you would want to keep if you reinstall / change linux distribution.

hope this helps

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Try install boot-repair

sudo apt-repository ppa:yannubuntu/boot-repair
sudo apt-get update
sudo apt-get install -y boot-repair

then ,run the boot-repair GUI and choose repair boot loader

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