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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Ubuntu does not load after installing it alongside Windows [duplicate]

I installed ubuntu 12.04 and I chose to install 'alongside windows 7'. After installation and restart, Windows 7 loaded but there is no sign that Ubuntu is actually installed. Windows 7 is ...
3
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1answer
1k views

Ubuntu 12.10 boot hangs at purple screen when integrated NIC (ethernet card) is enabled in BIOS

Here's my weird problem, with a UEFI Ubuntu 12.10 64 bits installation on an Inspiron 14z ultrabook with an integrated Atheros AR8162 ethernet card (NIC). If the AR8162 card is enabled in BIOS, ...
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votes
2answers
2k views

Dual booting Windows 7 and Ubuntu 12.10 on UEFI laptop

I have a notebook pre-installed with Windows7 and I installed Ubuntu 12.10 on it following the standard installation steps in the installation image. The only problem is that on reboot the machine ...
3
votes
2answers
7k views

Can't boot from liveUSB when trying to install it alongside Windows 7

I'm very noob at Linux and installing techniques. I want to install 12.04 from bootable usb flash alongside Windows 7 (also tried live CD but not working) but computer is not booting from USB flash or ...
3
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1answer
3k views

Comprehensive guide to install Ubuntu 12.10 x64 after Windows 7 on UEFI and GPT disk [closed]

My laptop is currently running Windows 7 64-bit on a GPT disk. Instead of BIOS, the laptop also uses UEFI. After googling around, I cannot find any guide for this problem (maybe my googling skill is ...
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3answers
5k views

How to install in EFI mode with Encrypted LVM?

I'm trying to properly install Ubuntu 12.04.1 LTS 64-bit PC (AMD64) with the alternate install CD ".iso" on a lenovo Thinkpad X220. Default Hard Disk (with a pre-installed version of Windows 7) has ...
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3answers
7k views

Ubuntu 12.04 using UEFI

I want to upgrade my machine with a new Motherboard, RAM and Processor. I am planning on doing a clean install of Ubuntu 12.04. The Motherboard I want to use is an Asrock 970 Extreme4 which uses an ...
2
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2answers
19k views

How to fix MBR partition prior to Ubuntu Installation? A partition overlaps GPT backup sectors

My main problem is that i have just acquired an ASUS laptop with WINDOWS 7 and I want to install Ubuntu on it. I want to have a dual boot to choose between both Operating systems, I read that it's ...
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2answers
4k views

Is disabing Secure Boot needed for Ubuntu 14.04 dual-boot with Windows 8 UEFI

I've read some guides on dual-booting Ubuntu and Windows 8, but all of the guides I have read are about older versions of Ubuntu. They recommend disabling Secure Boot because there is a bug in the ...
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2answers
4k views

Legacy vs UEFI Help

Are there any drawbacks to installing Ubuntu 13.10 (and soon 14.04) in Legacy BIOS instead of UEFI? I have installed 13.10 64bit in Legacy by mistake and was just wondering if it would hurt anything ...
2
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3answers
156 views

How do I make my system to prompt me for Windows and Ubuntu, instead of directly booting to Ubuntu?

I have new Lenovo laptop with pre-installed Windows 8. I was facing issues installing Ubuntu l2.04 LTS, so following a thread I made some changes, created some ext4, swap, bootloader partitions and ...
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2answers
438 views

After installing Windows 8 next to Ubuntu, I can only boot 8 [duplicate]

I bought a new HP laptop with Windows 8 to replace an old laptop running Ubuntu. Using Acronis I cloned the Ubuntu installation over to my new laptop... accidentally overriding the Windows ...
2
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2answers
94 views

Does the UEFI partition either “MUST” or “SHOULD” be first for some reason? If so why?

In a non-English Ubuntu-it.org wiki page it's stated that the UEFI partition MUST be always placed at the start of the disk. This is not the case in the English Ubuntu Community Help Wiki page. So ...
2
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1answer
31k views

How to enter BIOS on UEFI capable Lenovo Z50? (Novo button) [closed]

I have a Lenovo Z50 machine that came with Windows 8.1 pre-installed. I booted into Ubuntu 14.10 64-bit from a DVD using the "Change Advanced Startup Options" (or similar) option from within Windows ...
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4answers
2k views

Dual Boot Ubuntu 14.04 with Windows 7 on UEFI

I just built a new computer last week, and this weekend I got around to attempting to install Ubuntu 14.04 on it besides Windows 7. This is my first experience really using UEFI, so I was a little ...
2
votes
1answer
844 views

Can't dual boot Ubuntu with Windows 8.1

I know this isn't the first time anyone has asked this question , I have looked around but that didn't solve my problem. I recently purchased Toshiba c-50a , with preinstalled Windows 8.1. When I ...
2
votes
1answer
9k views

Should I create the Reserved BIOS boot area partition?

I have Asus N550JV with Windows 8 installed. I want to install Ubuntu 14.04 LTS in a dual boot setup. I am not familiar with turning off "fast boot", disabling "secure boot" and enabling "launch CSM". ...
2
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1answer
2k views

How can I read the Windows 8 licence key with Ubuntu?

I have a dual boot windows 8 and Ubuntu on my Laptop. Is it possible to read the Windows licence key under ubuntu? (I guess it is hidden in the Windows registry somehow)
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2answers
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What have I to do to change from BIOS to (U)EFI after installation?

I have here a new bought laptop. It's the first device with (U)EFI I was working with. At first I did not get the installation running, so I switched back to BIOS legacy mode and installed ubuntu in ...
2
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2answers
10k views

Does UEFI support mean Wubi will now work on laptops shipped with Windows 8?

According to this news , there is an official fix for secure boot. Will Ubuntu adapt it? If so, how long should it take? And does it allow booting new computers from Wubi?
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2answers
1k views

3TB HDD and legacy BIOS

I have new 3TB HDD and motherboard with legacy BIOS. To take advantage of full HDD capacity I have to use GPT partition table. I want to dual-boot Windows 8.1 and Ubuntu 13.10 (64-bit) from this HDD. ...
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3answers
2k views

efi boot sequence

It seems I somehow kicked out my 'diskdrive boot-option' for my blueray-diskdrive. I tried to fix it with 'efibootmgr' but I'm not getting anywhere. I think I just don't understand how to use this ...
2
votes
2answers
2k views

Can't load GRUB all of a sudden (UEFI problem)

So, the last time I used my Ubuntu installation was last night. Today, as I booted it up, it told me that booting grubx64.efi is not allowed. Easy enough. I know how to re-enable it from my BIOS. ...
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3answers
15k views

Dual booting Ubuntu 12.04: UEFI and Legacy

I'm trying to dual boot Ubuntu 12.04 (or 12.10) with Windows 8 on a new Sony Vaio, but have run into some problems :) Specifically, my problems seem to come from choosing UEFI or Legacy as the ...
2
votes
1answer
57 views

How to create uefi bootable iso?

I am trying to customize ubuntu-14.04.2-server-amd64.iso, but I am unable to make it uefi bootable. First I tried with original iso file: dd if=/path/to/iso/ubuntu-14.04.2-server-amd64.iso ...
2
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2answers
45 views

How can I make Ubuntu not mount efi partition by default at startup?

I've a Asus laptop with windows 8.1 pre-installed, I've managed to install Ubuntu alongside it, and for some days it worked fine. Today, out-of-the-blue, Ubuntu just goes black screen and I'm back at ...
2
votes
1answer
103 views

Question regarding dual boot (BIOS/UEFI, SSD)

I'm totally new to ubuntu and want to ask some things before diving into it: First off I have an Asrock z77 extreme 4 and 1 SSD with Windows 7 installed. On my second (empty) SSD I want to install ...
2
votes
1answer
90 views

How to access BIOS settings with EFI?

I have a new PC, based on a Gigabyte H81m motherboard. With no hdd, I can access BIOS settings by pressing DEL at startup. When I install Windows 8.1 with EFI boot, to access BIOS settings I have to ...
2
votes
2answers
598 views

Install Ubuntu on fresh new SSD alongside with windows on another SSD

I did a lot a research to check if my question was already answered or not, but so far I've only seen two related questions in Can I install Ubuntu on a separate SSD, AFTER having encrypted my Windows ...
2
votes
1answer
4k views

UEFI: Catch-22 on a acer aspire v5-531

I was trying to install Ubuntu 14 (64-bit) on a Aspire V5-531, preinstalled Win 8. In the bios I can flag: boot mode UEFI, secure boot DISABLE in this case the neither installation USB card nor cd ...
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1answer
2k views

Ubuntu 13.04 and Windows 8 Dual Boot GRUB options/problems

I installed Ubuntu 13.04 alongside Windows 8 (which was factory installed). I have the options to turn off both UEFI and Secure Boot. The insall worked fine and I am able to use both operating ...
2
votes
2answers
21k views

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD)

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD) Hello, I'm having trouble setting up a dual-boot (Ubuntu 12.04 LTS and Windows 8.1) in my ASUS K55VM laptop's hard drive disk (500 GB). I ...
2
votes
6answers
48k views

Install Ubuntu in UEFI mode (unable to boot from USB)

I recently bought a Dell Inspiron 15R SE with Windows 8 (64 bit) pre-installed (UEFI supported). I want to install Ubuntu in dual boot with Windows 8. I tried to follow all these instruction and these ...
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2answers
5k views

Unable to boot ubuntu 13.04 alongside windows 8

http://paste.ubuntu.com/6036784 I used boot repair commands on try Ubuntu terminal. It said "EFI detected check options" I used the recommended repair option. In the end it said "buggy kernel ...
2
votes
4answers
4k views

Ubuntu 13.04 not detecting operating system Windows 8

I have a Samsung NP740U3E with pre-installed Windows 8 (boots with UEFI). I installed Ubuntu 13.04 without problems. Later, Windows 8 did a BIOS update which messed up everything, nothing would boot. ...
2
votes
5answers
10k views

How to tell if my Laptop has UEFI

New user here and I would like to know how do I tell if my Toshiba Satellite Laptop A665-S5173 with Windows 7 Home Premium, 64-bit Intel Core i5 1st Generation processor with 4GB of RAM has this UEFI ...
2
votes
1answer
692 views

Laptop that comes with Windows 8 does not show grub

I have a Sony Vaio SVE14A27CXH that came with Windows 8 and UEFI BIOS from factory. I have been trying to install Ubuntu 13.01 with no success. I have already suffered with "Operating System not ...
2
votes
3answers
8k views

How to restore Windows 8 UEFI after deleting Ubuntu Partition?

I bought a Fujitsu with pre-installed Windows 8. I wanted to dual boot Ubuntu as I had done on my previous Windows 7 laptop. I followed some guides and managed to install it, with the GRUB boot ...
2
votes
1answer
24k views

“/ubuntu/winboot/wubildr.mbr” error

I am having some problems with my new laptop ASUS N76VM. I have read up on the problem for the past couple of days, as it seem to be UEFI related. First, I tried to use the WUBI installer and since ...
2
votes
3answers
2k views

Ubuntu 12.10 64 bits not booting on a Dell Inspiron 15z Puissance (French) in UEFI mode

When trying to start Ubuntu from my USB key in UEFI mode (it works in Legacy mode, but I have to keep Windows) on a Dell Inspiron 15z , Grub starts, but when I choose any option, I get a black screen ...
2
votes
3answers
11k 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
3answers
8k views

How to install Ubuntu on an (U)EFI device with existing GPT?

I had Ubuntu 11.04 running till now. Now I want to reinstall Ubuntu with nearly fresh 12.04. I had much trouble last time to install Ubuntu because of EFI. Yet somehow I somehow got it running. But I ...
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votes
3answers
4k views

Can't boot ubuntu on Lenovo V570

I recently tried to install Ubuntu on my new Lenovo V570, planning to dual boot 11.10 with Windows 7. I realized after installing that it would boot straight into Windows, so I looked up the issue. I ...
2
votes
2answers
143 views

Help With Dual Boot Ubuntu 14.1 and Windows 8.1

So here's my problem. I used YUMI from pendrivelinux.com, and I made a Ubuntu LiveCD. I tried manually and automatically partitioning, and I ran into many problems. After rebooting after installing ...
2
votes
1answer
90 views

Kernel Panic block (2,0)

This is my first question here and I'm trying to give as much information as possible: I tried dualbooting Linux Ubuntu (first Gnome then regular Ubuntu) with windows 8 on my Lenovo U310 Ideapad. I ...
2
votes
2answers
933 views

How to install Ubuntu and boot on Toshiba Satellite?

Downloaded and burned ubuntu-14.04.1-desktop-amd64.iso. Checked md5 of iso and md5 of burned DVD. Installed 14.04.1 LTS on a new Toshiba Satellite laptop. Replaced the existing Windows 8 install. The ...
2
votes
1answer
749 views

Is it still possible to install Ubuntu to an external harddrive with UEFI?

It looks like installing Ubuntu to an external harddrive isn't possible with UEFI, where as with MBR there wasn't a big difference between external and internal. Is that true or is it still possible? ...
2
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2answers
8k views

Ubuntu on Asus X205TA

I want to install Ubuntu on my new netbook Asus X205TA. I try to create a USB stick with Unebootin but not succes for boot on. Thanks for your help
2
votes
2answers
1k views

Opening Kubuntu DVD in Windows (EFI) gives message “Wubi doesn´t currently support EFI”

After downloading an iso-image for Kubuntu 14.10 and then burning it to a DVD. When I then tried to open it I get this message: What to do ? Can anyone please help.
2
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1answer
164 views

Is it possible to install Linux as a standalone OS with a UEFI system that came preinstalled with Windows 8?

I've tried installing Ubuntu several times as a standalone OS on my Toshiba Portege z935 which has a UEFI Bios and came pre-installed with windows 8 and it does not work. Is it really only possible to ...