Questions about the Unified Extensible Firmware Interface that finally replaced the BIOS on newer desktops and laptops with the release of Windows 8. UEFI is independent from CPU architectures and supports booting via UEFI with and without secure boot enabled as well as legacy booting via CSM.

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2
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1answer
221 views

Completely messed up grub/efi/gpt dual boot

I seem to have almost entirely screwed up my machine. I was attempting to install an ubuntu liveusb to my external hdd, but in the process I messed up my internal setup. The external one works ;) ...
2
votes
2answers
5k views

Will Ubuntu 14.04 Have Improved UEFI Support Or Will We Be Using Boot-repair For The Next 5 Years? [closed]

Everyday I see questions on here about someone unable to get Ubuntu to play nice with UEFI. They are soon reminded they aren't in Kansas anymore, told to follow the yellow brick road, see the wizard, ...
2
votes
1answer
103 views

Tri Boot on an iMac [closed]

I have a 2013 iMac (desktop) which is running OS X Mavericks, Windows 8 and Ubuntu Raring. I am using rEFInd to do the initial boot up but there are a few problems with this setup: it takes a long ...
2
votes
2answers
274 views

Boot problems after uninstalling Ubuntu

I have a Sony Vaio PC and after uninstalling Ubuntu from my laptop I went into a problem that I can't fix. I get a error message that says: SECURE BOOT FAILED! Your VAIO has detected an invalid ...
2
votes
2answers
532 views

How to reinstate dualboot after upgrading to Windows 8.1?

I had a dual-boot setup of Ubuntu 13.10 and Windows 8 on my Asus Vivobook. Initially the dual-boot setup asked for some tweaking as Windows 8 insisted on being UEFI started. But it worked lateron. ...
2
votes
1answer
6k views

Dual Boot Windows 8.1 and Ubuntu 13.10 on 2 Separate SSDs

I've searched every link in AskUbuntu, as well as Google. Many of my findings "kind of, sort of" get close to answering my questions, but not fully. Hopefully I can find help here. I'm building a ...
2
votes
1answer
1k views

Live USB for Ubuntu 13.10 does't recognize Windows 8 OS

I have created a Live USB for Ubuntu 13.10 64 bit using Universal-USB-Installer-1.9.4.4 I have restarted and booted from the USB; tried Ubuntu without installing. Everything works fine there ...
2
votes
1answer
96 views

I cannot install Ubuntu on my laptop [duplicate]

I bought a Dell Inspiron 5423 ultrabook with a 32GB SSD drive and a 500GB HDD. I tried to install Ubuntu with a live CD, but there is no drive shown on which to install Ubuntu. In my boot options I ...
2
votes
1answer
352 views

Ubuntu 12.04 and 13.04 livecd graphics driver problem? I'm using UEFI :P

Okay, this is my first time asking a question here. I have used Ubuntu on my computers for a few years now, and I recently bought a Windows 8 (oh no!) ultrabook that I have been trying to put Ubuntu ...
2
votes
1answer
9k views

Which partition to select as device for boot loader in an EFI mode install? [duplicate]

I'm trying to install Ubuntu 13.04 alongside Windows 8 (to dual boot) on my new laptop. Since there is already an EFI partition on the disk, I didn't create another one (as suggested in: ...
2
votes
1answer
293 views

13.04 install stops after splash screen - Have tried everything to get it to work, or have I?

I have repeatedly tried to install 13.04 on my minitower to no avail. The installation invariably stops with a totally black screen - or frozen cursor on a black screen - after the splash screen. ...
2
votes
2answers
10k views

How to dual boot on Dell Inspiron 3521 laptop preinstalled with Windows 8? [duplicate]

I recently bought a Dell Inspiron 3521 (15”, Intel i3 processor, 4GB RAM, 500GB hard drive, A07 BIOS from InsydeH2O) with Windows 8 pre-installed. I expected to be able to install Ubuntu 12.04.2 from ...
2
votes
1answer
483 views

Ubuntu 13.04 not recognized as Bootable after installation

I managed to successfully install Ubuntu 13.04; however after restarting, I found that the installation was unbootable.There was no error message --there was simply no option to boot from my hard ...
2
votes
2answers
5k views

Ubuntu 13.04 hard disk does not boot

At the moment I have just 1 hard disk in my computer, with Ubuntu 13.04 installed. It is not bootable. It is formatted with gpt, by gparted. AHCI is enabled, secure boot is not enabled. Ubuntu live ...
2
votes
1answer
2k views

How can I boot Windows 8 and Ubuntu 13.04 on a PC with an EFI bootloader? [duplicate]

I just bought a Lenovo ideaPad Z400. I installed the ubuntu 13.04 without problem. Now, I cna't boot the windows 8. Eaither in secure boot mode enabled or disabled. I am frustrated. this is my ...
2
votes
1answer
741 views

Unable to EFI boot after Ubuntu 12.10 install (Lenovo E30)

Basically the system won’t boot. After the BIOS screen I get the message: “Error 1692: No operating system found” I ran the ‘boot-repair’ utility without success. Here is the boot info that utility ...
2
votes
2answers
3k views

Dualboot Windows 7 and Ubuntu 12.04 on UEFI Unable to Boot to Ubuntu

Here is the layout of my disk: /dev/sda1 (EFI partition) /dev/sda2 (Recovery partition) /dev/sda3 /dev/sda4 (Windows 7 partition -- boot) /dev/sda5 (/boot) /dev/sda6 (swap) /dev/sda7 (/) I have ...
2
votes
1answer
119 views

Ubuntu LiveDVD problem

I am new to Linux, I tried Ubuntu 12.10. On a Laptop pre-loaded with windows 7, that was later upgraded to windows 8. I created a Live DVD, and booted the disc. When I boot from the disc, it goes ...
2
votes
1answer
325 views

UEFI: BIOS boot windows on the HDD if i try to boot UEFI ubuntu 12.10 from USB, why?

I started by using the USB install creator form my 12.10 installation, with the 12.10 image. on my bios i disable safe boot, and enable legacy mode (or CSM a my bios calls it). I reboot and press ...
2
votes
2answers
8k views

Windows 8 Dual Boot Ubuntu 12.10 with UEFI broken Windows boot manager

Brand new Asus U500VZ, Windows 8 preinstalled. I removed the fakeraid, turned fastboot and secure boot off, and set the SATA to AHCI and deleted all existing partitions on both SSDs. Purchased ...
2
votes
2answers
6k views

How to make live DVD EFI bootable?

Equipment: Pre-loaded Windows 8 Laptop, needs multi-boot capability (Win8 + Linux and BSD) Lots of USB 3.0 sticks and blank DVD-Rs. Various ISO's, including Ubuntu Secure-remix 12.10 Problem: After ...
2
votes
2answers
10k views

How do I install 12.10 on a Pavilion-G6 laptop with UEFI

I have a brand new HP Pavilion-G6 which boots to pre-loaded Windows8 and I want to change the machine to boot up into Ubuntu 12.10 whist retaining Windows 8. I am having difficulty booting into ...
2
votes
1answer
900 views

Xubuntu is not seeing my Win8 OS in the installer

When I install Xubuntu, I get the message "This computer currently has no detected operating systems. What would you like to do?". I just did a fresh install of Win8 yesterday, and I guess it used EFI ...
2
votes
1answer
4k views

grub-probe: error: cannot find a GRUB drive for /dev/sda1

I'm trying to add windows 7 for my new 12.10 grub bootloader. None of the things worked out; such as .. copying bootx64.efi methods, I'm getting this output: grub-probe --target=fs_uuid ...
2
votes
2answers
3k views

EFI - GPT dual-boot quantal AMD64 - impossible boot windows 7

I tried to install Ubuntu Quantal AM64 on a EFI - GPT notebook (asus X501U) in dualboot. Ubuntu works fine, but i can't boot windows anymore. HDD is partitioned in this way: sda1 0.2 Gb ...
2
votes
2answers
225 views

How do I determine which HDD the system was booted from when using UEFI?

In a system with x identically partitioned HDD's each drive has a UEFI boot partition with the bootable flag set. During power on I'm able to select any of the HDD's to boot from using UEFI. Once ...
2
votes
3answers
11k views

Best partition scheme for ubuntu + windows with EFI and GPT

I am guessing which is the better partition scheme for a system with EFI and GPT. Currently, I have the following scheme: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 465.8G 0 disk ...
2
votes
1answer
780 views

How to fix: Ubuntu 12.04 reboots after loading with elilo

I have an HP p6-2120 with CPU: AMD A6-3620 APU with Radeon Graphics RAM: 6GB BIOS: HO2_710.ROM v7.10 [AMI v7.10 4/19/2012] Disk: SATA1 (/dev/sda) - 1 TB (windows) Disk: SATA2 (/dev/sdb) - 1 ...
2
votes
2answers
7k views

fb: conflicting fb hw usage inteldrmfb vs EFI VGA - removing generic driver

Ubuntu fails to boot. (It was working fine for the last moth.) Selecting "recovery mode" shows the message: fb: conflicting fb hw usage inteldrmfb vs EFI VGA - removing generic driver However, ...
2
votes
1answer
10k views

Installation from USB stick on UEFI-based system

How can I install Ubuntu from USB stick on a UEFI-based x86-64 system? Documentation for this topic doesn't look very friendly.
2
votes
1answer
10k views

How to install Ubuntu on UEFI enabled HP Pavilion HPE h9 tower

I just bought a HP pavilion hpe H9 phoenix (i7, 8gb ram, 126 ssd & 2x500gb sata) and wanted to install Ubuntu 12.04 on it. But the computer seemed to be uefi protected. So I turned this feature ...
2
votes
4answers
6k views

How do I install on an UEFI Asus 1215b netbook?

I'm trying to install Ubuntu 11.10 on a UEFI netbook Asus 1215b using an USB stick. I created a fat32 efi partition of 100MB, 2GB swap, and 2 ext4 partitions (for root (/ ) and /home, respectively). ...
2
votes
0answers
29 views

UEFI install (14.04) boots to GRUB command prompt, no GUI [migrated]

I just installed zorin 9 core (14.04) on my Hard-Disk in UEFI mode. But, when I boot, all that comes up is a GRUB2 command line. I've searched for solution and came up with this command configfile ...
2
votes
1answer
71 views

Need help with Dual boot Win 8.1 & Ubuntu 14.04 on HP Envy j112 tx Notebook [duplicate]

I bought a new HP notebook with pre-installed Win 8.1. I am trying to dual boot it with Ubuntu 14.04. I have followed the usual steps, and installed Ubuntu on my system. However, when I boot the ...
2
votes
0answers
52 views

How can I remove Ubuntu record from my boot list?

I've installed Ubuntu 12.04 on an external USB3.0 drive. I selected sdb (the usb stick) as grub point and created a new ext4 partition as root on sdb1. Everything went very well and I could either ...
2
votes
0answers
282 views

Error in boot repair after installing Ubuntu 14.04 alongside Windows 8.1

I`ve installed Ubuntu 14 in my note following instructions from some tutorials in the internet, I had to enable legacy mode to boot from pen drive. Basically, I created the following 4 partitions in ...
2
votes
0answers
120 views

How do I create an EFI-bootable ISO of a customized version of Ubuntu?

I have created an own Ubuntu distribution that I want to boot (from a USB) on my MAC. When using the standard 64bit-Ubuntu-iso from the Ubuntu website, it boots. However, when doing the exact same ...
2
votes
3answers
438 views

Can't boot ubuntu 13.10 after install Fedora 20 on a x86_64 EFI machine

I can't boot Ubuntu from gub menu after I install Fedora 20 (but I can boot Fedora and windows) error: can't find command 'linux' error: can't find command 'initrd' But I can boot from here Do ...
2
votes
1answer
161 views

Booting Ubuntu 13.10 from external hard disk on both uefi and bios?

External Hard Disk Details, GPT, 150GB partition of Ubuntu 13.10. Ubuntu Newbie here please be kind. Firstly, What I would like to do is that ubuntu is able to boot in uefi computers as well as old ...
2
votes
1answer
330 views

Installing linux on OCZ RevoDrive3 x2

First of all, here is the configuration of my computer: Motherboard: Asus H87Plus RAM: Corsair Vengeance 32GB Processor: Intel i7 4770 Drive: OCZ RevoDrive 3 x2 (240 GB) (OCZ Revodrive3 is a PCIe ...
2
votes
1answer
2k views

How to boot Ubuntu alongside Windows 8.1, not modifing Windows bootloader?

I know there's a few questions have been asked similar to this one, but I didn't find what I wanted. I want to install Ubuntu 13 (13.10?) alongside Windows 8.1. The thing is Ubuntu doesn't recognize ...
2
votes
0answers
134 views

Windows 8 overwrites boot with Ubuntu 12.10

I have a Sony VAIO S series with Windows 8 preinstalled and then I installed Ubuntu 12.10 partition. The first time I was booting the Grub appeared, and I was able to choose between Windows 8 and ...
2
votes
1answer
162 views

Installation on an UEFI system

I've been using Ubuntu for years. Now I bought a new notebook and want to install Ubuntu again but I can't. My notebook is a Lenovo S300 ieadpad with preinstalled Windows 8. I want Ubuntu to be my ...
2
votes
1answer
750 views

Unable to repair boot with Windows 8 and Ubuntu 13.04

I have a Samsung laptop NP350E7C. It comes with Windows 8 and I'm trying to install Ubuntu 13.04. The first time I installed it with the live USB, it worked, but windows stopped working. I repaired ...
2
votes
1answer
2k views

Ubuntu Install Issues UEFI/BIOS ASUS

Hey everyone I have an ASUS laptop that came with windows 8 and of course UEFI(ugh) with a 500GB HDD and 20GB SSHD, this is a hybrid drive. I tried to wipe windows and install just ubuntu, I did this ...
2
votes
0answers
140 views

Problems installing 12.04 alongside Windows 8

I have a Lenovo Y400 notebook, and I hate Windows 8. So, I tried to install and dual-boot Ubuntu. I immediately ran into problems. First of all, 13.10 won't boot. Unfortunately, I haven't tried it ...
2
votes
2answers
372 views

Ubuntu BIOS Boot Macbook Air

My dad installed Ubuntu 12.04 on his Macbook Air as a clean install, and it worked great at first, but I recently began to work on it (upgrading, updating, installing, and fixing some bugs), and ...
2
votes
2answers
225 views

Screen turns black during the installation of Ubuntu 13.04

I was following the UEFI guide to install Ubuntu on a new computer but after reaching the screen below and selecting install, the screen just turns black and nothing happens. I already disabled ...
2
votes
3answers
669 views

Booting 13.04 64-bit pendrive in UEFI freezes immediately after loading ramdisk on Dell Inspiron 14z (BIOS E10)

I can get the pendrive to boot in Legacy (aka BIOS) mode, but I can't get it to boot in UEFI mode. When I attempt to boot in UEFI/Secure mode, it complains before Grub even starts. If I boot ...
2
votes
0answers
923 views

Ubuntu 12.04 Hangs at “Where are You?” during install

I am trying to dual-boot a brand-spanking new rebuilt computer. I bought (2) 128GB Samsung 840 pro SSDs with the intent of installing Windows 8 (new) on one and Ubuntu on the other... with a 500gb ...