Thursday, June 29, 2017

installation - Dual booting Ubuntu 12.04: UEFI and Legacy

I'm trying to dual boot Ubuntu 12.04 (or 12.10) with Windows 8 on a new Sony Vaio, but have run into some problems :)



Specifically, my problems seem to come from choosing UEFI or Legacy as the Bootmode in the BIOS.



Here is what I have found so far:




  • Windows 8 needs to boot using UEFI, and doesn't work in Legacy mode


  • Ubuntu (both 12.04 and 12.10) needs to boot using Legacy, and won't boot (at least from the live disk) in UEFI mode



I have been able to boot Ubuntu using a live USB disc, provided that I change the Bootmode to Legacy. I haven't committed to installing it yet, because I don't really understand the consequences.



My main concerns are that instead of simply selecting Windows or Ubuntu in Grub, I would also have to change my Bootmode every single time, which seems like a lot more trouble than it should be.



So, the question: how can I install Ubuntu 12.04 or 12.10 in UEFI boot mode?

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