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Failed to install ubuntu 12.10 on asrock h77 pro4/mvp with uefi bios

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http://askubuntu.com – I want to install the ubuntu 12.10 or 12.04 desktop for my new pc. steps: I created a bootable usb, config the bios to boot from the usb drive. press "try ubuntu before you install it" ubuntu 12.10 and 12.04 on my new desktop, it is failed. what i tried after failed: 1. I have tested the usb drive image without any error. 2. There are guys suggested to disable secure boot for UEFI bios, tried but failed. 3. I tried pressing F2 to see the log, it shown as below generating localed.... DONE and the process is hanged. Can anyone give me some advice? thank you! config: mb: asrock h77 pro4/mvp (HowTos)

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Submitted by funckax on 01/13/2013

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I just received an x1 carbon in the mail and have been trying to install ubuntu on it today. Whenever I try to boot from my usb image of ubuntu-12.04.1-desktop-amd64, I get a message saying "image failed to verify with **ACCESS DENIED**..". I tried disabling UEFI boot in bios with no luck.

My usb image works fine on my pc and my other laptop. What is going on with my thinkpad?

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It varies on different manufacturer motherboards.  I've got two recent ASRock mobos (different form factors) and the UEFI implementations on them are a bit different.   The better one, recognizes UEFI on a USB stick and gives the option to boot it as BIOS or UEFI.

dobie2564 https://bbs.archlinux.org/profile.php?id=52001

2012-09-09T13:41:55Z

Configuration: MBB: ASRock X79 Extreme6 - Win 7 installed on a INTEL 40GB SSD (GPT partitioned) - Ubuntu 14.04 on a CORSAIR 30GB SSD (Ext4 and SWAP)

Windows has been installed previously in UEFI mode, using 3 partitions (GPT) and works fine if left alone.

Hello I want to install Ubuntu 12.10 on an UEFI machine with manual partitioning.

Do I have to disable "Secure Boot"? Do I have to create a 2nd ESP (EFI System Partition) for Ubuntu? Do I have to give it the boot flag? Do I have to set mount point /boot/efi? Do I have to install grub on /dev/sda?

I am used to BIOS installation where:

/dev/sda1 100 MB Windows 7 hidden System Partition /dev/sd

I'm struggling to boot Ubuntu from bootable USB I've made using unetbootin. In the older days, when booting laptop you could go into bios and set the boot device. Now I can't set one. There's no hotkey I could press during boot to open up BIOS.

all.

I just brought a new Toshiba Satallite M840 with pre-loaded Windows 8.