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Possible Duplicate:
Installing Ubuntu on a Pre-Installed Windows 8 system

I have been having a tough time getting a new computer (Lenovo h430) that came with windows 8 to dual boot with ubuntu linux. I can get ubuntu to install from a usb drive and can use the live system (ubuntu 12.10) but dual booting has not worked. I have cruised the internet and tried a number of solutions such as easybcd 2.2 and boot repair under linux. I have also gone into the setup screen to try and fix it but the lenovo acromyms in the setup are not illuminating for me. Does anyone know of a clear set of instructions for installing ubuntu on a machine delivered with windows 8 ?

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marked as duplicate by Jorge Castro, Eliah Kagan, fossfreedom Dec 19 '12 at 9:26

This question was marked as an exact duplicate of an existing question.

The most likely reason is that the new machine has an EFI firmware, a drive with a GUID partition table (GPT), or both.

If you enter firmware setup there may be a legacy BIOS mode that you can use. You should also check the Community Documentation for methods of dealing with EFI firmware. The most simple suggestion from that page appears to be to use Boot Repair to fix the issue.

Since boot repair has not worked for you so far, make sure that you are trying to install the 64bit release of Ubuntu Desktop.

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I had a lot of problems installing Ubuntu 12.10 alongside Windows 8 but this tutorial helped me a lot.

Maybe it will help you as it clearly explains how to install Ubuntu 12.10 using easyBCD in Windows 8:

Dual-boot Windows 8 and Ubuntu 12.10 on UEFI hardware

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