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14
votes
2answers
1k views

The UEFI & SecureBoot impact, how severe?

I'm planning to buy a new laptop in the coming days, and I'm quite impressed with new, cool Ultrabooks. As a long-time GNU/Linux user, I'll of course install a distro of my choice on it. Chances are ...
12
votes
4answers
418 views

Why do most distributions chain UEFI and grub?

Most distributions install a additional boot loader on an UEFI system. UEFI itself is a boot loader, it offers a menu to select different operating systems or individual kernels. Furthermore, the UEFI ...
6
votes
4answers
9k views

Why is USB not working in Linux when it works in UEFI/BIOS?

For background I have just built a new machine with modern hardware including: AMD FX-8350 Gigabyte GA-990FXA-UD3 motherboard 16GB RAM NVidia GTX 650 Ti Kingston SSD Given that, I tried to install ...
6
votes
3answers
1k views

How to make UEFI bootable usb disk from bios bootable iso

Suppose you have an iso image that contains a bios bootable partition. You can write this image to a usb disk In linux you could do this for example with dd if=pmagic_2013_02_28.iso of/dev/sdc1 ...
5
votes
1answer
4k views

Arch Linux GRUB install: “EFI variables are not supported on this system”

I am attempting to install Arch linux to a new (and very crappy) HP Pavillion 15 Notebook. This is a UEFI-based machine. After several swings at it, I have managed to get pretty far. Legacy mode is ...
5
votes
1answer
95 views

Upgrade kernel for linux system without upgrading user apps/libs?

I built a custom Linux "recovery-cd" image that consists of a compressed initrd and boots via bcdedit (like Ubuntu Wubi) instead of a physical CD. It has various recovery tools for partition editing, ...
5
votes
1answer
220 views

UEFI boot Fedora from USB 2.0 on 3.0 port (l75d-a7280)

I'm trying to make a bootable usb in ubuntu for fedora, but my settings are not working. I formatted the USB with FAT & Ext4, MBR, and Legacy BIOS bootable. My BIOS allows the USB 3.0 controller ...
4
votes
0answers
101 views

How do I use the TPM to seal away data on an UEFI booted system?

I would like to seal away files on my system using keys stored in the TPM. Since my system uses UEFI to boot, I can no longer use TrustedGrub as a boot loader to maintain my trust chain. Are there any ...
3
votes
1answer
62 views

Dual boot windows on second harddrive, UEFI/GPT system

I'd like to install linux, but I don't want to risk damaging my current windows installation as I have heard a lot of horror stories. Fortunately, I have an extra hard drive. Can I install linux ...
3
votes
1answer
227 views

Installed CentOS, Now There is No Windows 8 Options on Restart

I bought a new PC with Windows 8 and wanted to dual-boot linux. I shrank the partition by 50GB in windows, then installed CentOS from a live CD. CentOS is working fine, but I can't boot into ...
3
votes
1answer
859 views

Boot SystemRescueCd using UEFI?

How would you boot SystemRescueCd if you don't have the option to use the legacy-bios? I have the new UEFI and I have no luck booting SystemRescueCd(with a USB stick). I am planning to back up my ...
3
votes
1answer
107 views

How can I install Linux on a UEFI system with Secure boot?

My motherboard is a Gigabyte 990XA-UD3 (CPU 1), it's a UEFI -Dual boot, and when I try installing Linux Mint 16 Cinnamon or Ubuntu 13.10 it always bring this error (initramfs) Unable to find a medium ...
3
votes
1answer
223 views

Any chance to fix dual boot after the stupid UEFI?

Long story short, I had a single Linux hard drive with a LUKS partitions and stuff which worked really nice for a long time. Unfortunately, even though Wine nowadays works amazingly well, I couldn't ...
3
votes
2answers
82 views

How can you configure a system to be bootable from most modern systems?

How can a Linux system be installed on a portable storage medium so that both BIOS systems (e.g. a ThinkPad) and EFI systems (e.g. a Mac Mini) can boot to it? The reason I ask is because I tried ...
3
votes
1answer
261 views

Builiding a UEFI bootable USB

I'm having a really hard time getting Mint13 installed on my new laptop, no optical UEFI support and having odd corruption of grub.cfg when I do try and use unetbootin. Is there a method to build a ...
3
votes
2answers
2k views

Can't boot live USB of Linux Mint DE on my UEFI PC

I used the Universal USB Installer application to copy the latest ISO image from Linux Mint DE (64 bits) and install it on my PC, however when I try to reboot it I have the option to choose my ...
2
votes
2answers
37 views

How to query EFI signature

It appears that Grub-EFI will only boot a "signed" Linux kernel. Is there some command that will allow me to query a given kernel image to find out what signatures (if any) are present on it?
2
votes
1answer
5k views

Installing debian 7 besides windows 8

I ask this question in superuser but no one can answer my question, I hope any one can help me: I bought a VAIO laptop which Windows 8 preinstalled on it in UEFI mode. Now I want to install Debian 7 ...
2
votes
1answer
64 views

Is it safe to delete old boot and EFI System partitions?

I have installed a new OS in the free space of the same hard disk after failing to upgrade the old one. Now there are two copies of boot partitions and EFI System partitions. After a harrowing ...
2
votes
1answer
614 views

USB keyboard only works intermittently in GRUB 2 on reboots - how to make it work consistently?

Something weird is going on with my keyboard. The keyboard is a USB-connected Unicomp, which works absolutely flawlessly once the computer is up and running. However, GRUB 2 (specifically, ...
2
votes
1answer
150 views

grub2: how to bypass “press any key”?

I recently updated my motherboard and moved my grub2 onto EFI partition. I have same grub menu, but after I select a menu entry and press Enter, a message "Press any key" comes and the loading stops ...
2
votes
1answer
234 views

Does UEFI increase battery life?

I've heard about a better power management when using UEFI instead of BIOS. Is that true? It was about energy consumption being more efficient or something like that. If it is true, has the ...
2
votes
0answers
15 views

Switch debian install from legacy to UEFI

I have Debian 7 installed on my laptop on the ssd and windows 8 on the hdd. Currently to boot Windows I go into the bios and change a boot setting from legacy to UEFI, which means to boot Debian I am ...
2
votes
0answers
338 views

Dual boot Linux Mint in a GPT style hard drive along with Windows 8

I have a Sony VAIO e series laptop which came with Windows 8. I wish to install Linux Mint as additional operating system. Only at the time of installation I could find that my HDD is of GPT partition ...
2
votes
0answers
96 views

How do I use custom-signed shim for secure boot (Fedora)?

I'm not sure whether there's a guide for this but I'd like to know the detailed steps (step-by-step guide perhaps?) involved in achieving the following: Re-sign shim with a custom CA private key, ...
2
votes
1answer
324 views

Installing the kernel EFI stub loader in kernel 3.2?

Kernel EFI stub loader support was added in kernel 3.3, but I'm stuck on 3.2 running an Ubuntu 12.04 64bit distribution. Is there a way for me to somehow bring that stub loader support into my kernel? ...
2
votes
1answer
660 views

How to configure GRUB to load Windows 7 Install in UEFI mode

I have a Dual-Boot USB I created with Multisystem for booting into PartedMagic, Ubuntu 11.10 & Windows 7 Install. Problem is Windows 7 says it cant install on a GPT partition. Googled, and found ...
1
vote
2answers
332 views

Can no longer boot after updating Arch

I am running Arch Linux with the Gummiboot boot manager. Everything was fine until I updated. I can't remember the exact packages that were updated but I'm pretty sure Gummiboot was one of them. Now ...
1
vote
1answer
261 views

Installed Fedora 18 on UEFI machine, got lvm.mod not found error

I've installed Fedora 18 on UEFI system, when I boot the computer I get this error message: File "/EFI/fedora/x86_64-efi/lvm.mod" not found no server specified What should I do?
1
vote
1answer
632 views

Fixing Lilo with uefi system and no optical drive

Recently I have been trying to boot into Slackware on a new laptop that came pre-installed with Windows 8. I have successfully installed Slackware and Lilo, but I have had great difficulty trying to ...
1
vote
1answer
166 views

Why am I getting “no boot disk has been detected” after installing Linux?

After installing a Linux distro (Fedora 19, to be exact) on a Windows 8 machine I got the message: No boot disk has been detected or the disk has failed. What did I do wrong?
1
vote
1answer
9 views

Grub-EFI: disable signature check?

Following on from my previous question, it seems that Grub-EFI refuses to boot any kernel which isn't signed. Which is a problem, because the kernel I want to boot isn't signed. So what I'm wondering ...
1
vote
0answers
13 views

Linux / Windows 8.1 : Installation on raid0

I need to install a linux distribution on my laptop (an Asus UX302LA). I tried again and again but I couldn't even begin the installation. To explain you my problem, I know that Windows 8 is installed ...
1
vote
0answers
76 views

Booting from USB devices on secure boot UEFI system

I'm trying to put an ArchLinux install onto a USB-HDD and want it to be bootable on BIOS systems as well as on UEFI systems that use secure boot. Therefore I have one main question. Does an UEFI ...
1
vote
1answer
21 views

Blue gradient line on top and bottom instead of Ubuntu-USB-Grub-Screen

I just bought a E350M1 mainboard with onboard AMD Radeon 6310 Graphics Card. I did (I think I did) the UEFI-Bios trick: CSM activated and plugged-in a usb-stick with an Ubuntu 13.10 Desktop i386 ...
1
vote
0answers
39 views

Searching for i686 UEFI distribution of Linux

I m trying to put a dual boot Windows 8 - Linux on a HP ENVY j069-sf (i686). Like all HP laptop, there is a lot of proprietary drivers (even when installing Windows, I had to take 2 hour to search, ...
1
vote
1answer
321 views

Instaling Linux on a machine with Asrock Z87 Extreme 6

I am not able to install Linux in my newly built machine. I think it can be related with my MB (Asrock Z87 Extreme6). I already have Windows 8.1 installed without UEFI. When I boot (linux) from the ...
1
vote
1answer
235 views

How do I dual-boot 2 (or more) Linux distributions with gummiboot and UEFI?

I have Arch installed as my main OS with gummiboot for booting. I'm planning to dual boot with Fedora 20 soon but I am currently held back by some doubts. Do I need to install Grub2 for Fedora even ...
1
vote
0answers
408 views

Dual Boot Windows 8.1 & Linux Fedora 19 (BootLoader Error)

I installed Win 8.1 in first drive C: and then attempted to install Fedora 19 in D: but after install, all packages in bootloader installation Fedora show the following error: An unknown error has ...
1
vote
1answer
476 views

How can I get a new Fedora 19 install to boot on Intel NUC

I have a newly installed Fedora 19 on an Intel NUC computer. During installation, I selected the "reclaim all space" option and took the default partitioning. The install created an EFI boot ...
1
vote
0answers
94 views

Restoring EFI System Partition? [closed]

Recently I have installed Fedora 19 under EFI boot method, but I found it unable to boot because of graphic cards and stuff. Then I decided to uninstall it. I have Fedora in a different partition so ...
1
vote
2answers
385 views

Asus G750JH with pre-installed Windows 8 - I want to dual boot ArchLinux

I have a new Asus G759JH laptop and it has Windows 8 installed on it. I have resized and fixed the partitions in a way I thought would work (now, I'm not sure that what I've done is actually going to ...
1
vote
0answers
278 views

ubuntu winboot wubildr.mbr missing

I have installed Ubuntu 12.04 (64 bit) operating system, It supports uefi so I installed it like a normal dual booting Now(not like wubi), when I try to load Windows8 it works fine. But when I try to ...
1
vote
1answer
75 views

Problem with installing fedora 17 in usb

I am trying to install Fedora 17 ( 32 bit Desktop Version ) on a usb which will be run on a Eee PC. My problem is that the usb is being made bootable by the software ( Universal USB Installer ) and ...
1
vote
0answers
29 views

GRUB2 Edit Mode problem

I have recently installed Fedora 18 using UEFI. The problem I'm facing is that when I try to go into edit mode in GRUB, my PC freezes, displaying just a black square instead of text. Unfortunately I ...
1
vote
1answer
823 views

RHEL Installation issue with UEFI on HP Compaq Desktop

I have bought a new Desktop HP Compaq Elite 8300 SFF. It came with Windows 7 Pro installed. Now I want to install Linux (RHEL) by dual booting it. I have successfully shrinked the partition and ...
1
vote
0answers
634 views

Install Arch(Bang) - Create Usb - Uefi

I am pretty new to Linux and want to install ArchBang-Linux, but I fail at creating a bootable USB-Stick. Can someone explain this procedure to me in a little more detail? ...
1
vote
1answer
42 views

Ubuntu load and hang on live USB [closed]

I seem to have run into some difficulties trying to install Linux alongside my USB. I made a bootable USB stick and done all the UEFI firmware settings from which I disabled fast boot. Now when I run ...
0
votes
5answers
2k views

Black screen after GRUB

I recently bought a new laptop which came preinstalled with Windows 8 (no! please don't run away yet!). I'd like to try and put Linux on it in a dual boot (probably Ubuntu, with its UEFI support), but ...
0
votes
1answer
193 views

Installing Linux on UEFI ASUS Machine

I have been having troubles for weeks trying to get Linux Mint on my new computer. It is a ASUS F75V-NS1 with UEFI Bios and Windows 8 install. So far, I was able to get a Linux Mint 64-bit Bootable ...