Booting CDs/USB devices after installing Windows 8

Posted by shoyip on Super User See other posts from Super User or by shoyip
Published on 2012-11-06T15:57:30Z Indexed on 2012/11/06 23:05 UTC
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windows-8

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dual-boot

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uefi

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secure-boot

I recently installed Windows 8 on one of my four primary partitions. I had two partitions for Windows 7 (boot and os), one for the Windows System Recovery Environment and the last for Ubuntu. I was often using Ubuntu, but after the installation of Windows 8 Pro I couldn't boot in it because it needed the reinstallation of GRUB2. So I thought to do it by Terminal in a live cd; but when I tried to boot the Live CD, it booted me Windows 8 Pro. This is a problem of UEFI, Secure Boot or my BIOS? It didn't happen never before now. And if it's a problem of Secure Boot, how to disable it? Thanks in advance, Sho.

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