RE: Acer V5-171 Windows 8 + Ubuntu help

[Ryan Gauger]

I don’t quite understand the question, but I’ll try to answer it. Canonical and Ubuntu developers have created a signed key, so when Ubuntu is installed and Secure Boot is enabled, Ubuntu is able to boot correctly without having key errors. If I didn’t answer the question, I apologize. Have a great rest of the week!



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From: Artifex Maximus
Sent: ‎January‎ ‎18‎, ‎2013 ‎10‎:‎32‎ ‎AM
To: Ubuntu user technical support, not for general discussions
Subject: Acer V5-171 Windows 8 + Ubuntu help





Hello!


I have an Acer V5-171 laptop with Windows 8 preinstalled. I resize my partition and left around 32 GB to Ubuntu 13.04 64bit. I would like a dual boot system.

My system is Secure Boot enabled by default. If I set password for BIOS I am able to disable Secure Boot which I do not really want at the moment or add new entries to allowed .efi applications. The BIOS add function only detect FAT32 formatted drive therefore install CD/DVD is not working.

I format my pendrive to FAT32 and copy all the files from install disk to USB then I am able to add Ubuntu boot (bootx64.efi) to allowed applications. On boot when select my new Ubuntu entry, which loads bootx64.efi, the screen becomes black and nothing else happens. No loading screen no installer. CTRL+ALT+DEL works so system is probably working and not hang.

The question is how make such boot pendrive for Secure Boot install? If I install Ubuntu in UEFI mode is that not break the installed Windows 8? If I install GRUB on UEFI is it possible to chainload Windows 8?


If the install is impossible with enabled Secure Boot then I try with disabled SB but first I would like to try with SB enabled.




Bye,
a
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