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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GRUB2 Installation failed Dual boot ubuntu with windows 8

I am having hp pavilion g6 2320tx with windows 8 preinstalled with the UEFI mode I am trying to install ubuntu alongside Windows 8 but it fails every time giving me the error that grub2 was not ...
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1answer
18 views

I have a problem with dual boot after setup

Today I have downloaded Ubuntu but I can't use Ubuntu with windows like dual boot, for everytime I have to change boot order by hand while setuping Ubuntu I didn't prepare memory for Ubuntu by Hand it ...
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2answers
2k views

After install ubuntu 12.10 cannot boot to windows 8 ( pre-installed)

recently I have bought a lenovo z580 with pre installed windows 8 and I have installed ubuntu 12.10 ( secure boot was enabled when I was installing ubuntu after the installation I disabled it) I can ...
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0answers
24 views

Win 10 and Ubuntu - cannot create dual boot

I'm pretty sure I did everything - turned off the fast start up, ensured first boot is cd and everything is UEFI. First install I got Ubuntu 14.04 working ok - though I did have two boxes to select ...
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0answers
25 views

Why won't Ubuntu regognize my password after upgrading to 16.04?(urgent!)

I have upgraded to 16.04 on my stationary computer and after booting i can no longer log into it. I was told to change pw and re-enter it due to changing something regarding UEFI, but it won't accept ...
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1answer
68 views

Does this answer work for UEFI computers?

One of my most popular answers is instructions on how to repair grub. Over time, others have contributed bug fixes to the answer. A recent comment, though, made me wonder if it works on newer UEFI ...
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0answers
31 views

Ubuntu16.04 boot broblem on an acer TravelMate-P246-MG machine after update

First, the laptop preinstalled a linpus Linux, and I installed Ubuntu 15 on it. After upgrading to 16.04 lts, in startup it shows me this screen. The funny thing is if I try to choose the first ...
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2answers
1k views

Installer Crash and “No Bootable Device” with Acer R11

On the Acer Aspire R11 I tried running Ubuntu from the USB, it was awesome!! Touch features and a fully powered laptop !! But when I wanted to install Ubuntu (I had downloaded 14.04.3) the problems ...
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0answers
23 views

Trouble in Boot Repair

I had a problem with my grub, it didn't recognize my OS, I have installed windows, ubuntu and kali. But then I tried to use Boot repair in a ubuntu live cd, and then I got to type. sudo chroot ...
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2answers
68 views

Ubuntu 16.04 has no VMWare console access once booted on VMWare vSphere 5.5 Cluster with EFI

I installed a fresh Ubuntu Server 16.04 on our VMWare cluster to try it out and begin building a template for it. After install, the IP address is displayed and it seems to work if I SSH into it, but ...
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2answers
33 views

Not able to boot 16.04 LTS in dual boot with window 7 UEFI mode

Initially I am not getting the option to install ubuntu along side window 7. So I again installed window 7 in UEFI mode and now able to get this option. But after installing ubuntu 16.04 LTS alongside ...
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0answers
13 views

Can not make hibernate on UEFI (Secure boot)

How can I make hibernate my desktop in UEFI with Secure boot on. I used command "sudo pm-hibernate" to make hibernate my desktop but my machine did nothing (my desktop is booted up on UEFI with ...
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2answers
281 views

Why do I get “Required key not available” when install DKMS modules in Ubuntu 16.04?

When I try to install DKMS modules like VirtualBox, Nvidia, or Broadcom drivers, they do not install and I get Required key not available. How can I fix it?
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1answer
49 views

Boot new 16.04 in Secure Boot Mode

I have a Dell laptop with factory installed Ubuntu 14.04. This OS would boot fine with Secure Boot turned on. I have now installed 16.04 alongside 14.04, and I can dual boot. I downloaded the 16.04 ...
0
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1answer
29 views

Dual boot problem after upgrading to 16.04

During the upgrade to 16.04 something went wrong (related to shim-signed and problems with /boot/efi) and it was not completed. After some work I managed to have everything installed and Ubuntu seems ...
1
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1answer
6k views

How to upgrade from rEFIt to rEFInd

I have recently installed Ubuntu Server (12.04.3) on a MacMini1.1... The MacMini already had OSX (Leopard) on it and I wanted to keep it, so after much research, I used the gpart and fdisk within an ...
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2answers
87 views

What can i do to fix this error on grub-efi

I have a dual boot system setup with Windows 10 and Ubuntu 16.04, when turning on my PC grub shows correctly, Windows and Ubuntu are recognized, no problems there. Every time there's an update or i ...
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0answers
24 views

How to close UEFI boot warning window during installation of Ubuntu?

During fresh installation of Ubuntu 16.04, I enabled UEFI boot in BIOS. After selecting where to install Ubuntu, I got warning that enabling UEFI boot window can produce some problems with other ...
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2answers
71 views

Change boot order on multiboot Windows 10 - Ubuntu 15.10 - Fedora 23

I'm having an issue setting the boot order as I want it to be on my multi boot computer containing Windows 10 - Ubuntu 15.10 - Fedora 23. Here is what I've done : I use to have only a dualboot with ...
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1answer
3k views

Ubuntu 14.04.3 install: grub-efi-amd64-signed failed (Dualboot, Windows, UEFI)

I have got a MSI Notebook with 2 SSD and one HDD inside. I installed Windows on SSD one and Ubuntu on SSD two. The HDD is for some data. After that, I could not boot Ubuntu - Windows 8.1 started every ...
0
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2answers
387 views

UEFI Bios Issue from Ubuntu Install On Dell Inspiron 14-3452

I'm fairly green with Linux but have successfully put on different linux distros on my machines years ago. My friend got a virus on Windows 10 and I offered to install Ubuntu on his machine. He ...
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3answers
124k views

How can I dual-boot Windows 10 and Ubuntu on a UEFI HP notebook?

I've got an HP Pavilion Touchsmart notebook that came with Windows 8. I've upgraded to 8.1, and now I want to dual-boot an Ubuntu distribution with Windows 10. When dual-booting with Windows 8.1, the ...
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2answers
5k views

How to access efi boot partition as read-write?

I have installed Ubuntu 13.04 alongside windows 8 (efi mode) and now I want to go to a read-write access of the efi boot partition. For secure boot to work, I installed the Linux Foundation's ...
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0answers
17 views

EFI blocking Dual Boot Kali Linux? [on hold]

Just now i was trying to dual boot Kali Linux with my newly upgraded windows 10 (from windows 8.1). So i made my bootable USB from PowerISO and when i entered BIOS to choose my drive to boot into , ...
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2answers
73k views

32-Bit UEFI Boot Support

I recently purchased a Dell Venue 8 Pro. I have read online about what it needs in order to boot into Ubuntu or any other Linux distro. From what I have gathered, what really needs to happen is ...
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0answers
23 views

grub boot doesnt start

I have an asus x551c laptop which came with windows 7 ultimate ready installed,I want to have Ubuntu 15.04 booting beside it. My system is UEFI. I have done full installation of Ubuntu,it even ...
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0answers
13 views

Can't boot into Grub on mid-2012 Macbook

I am upgrading 14.04 to 15.10 on my mid 2012 Mac book air. It is booting into a black screen. I want to go into GRUB and change the config file to "nomodeset" HOWEVER, holding down the left SHIFT ...
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0answers
44 views

No Boot menu after installing Ubunto 16.04 Dual system on Windows 10

I have a Acer Aspire E15 (E5-573G-56RG) with Nvidia card running on Windowns 10. I've updated BIOS version from v1.25 to v1.37. I installed Ubuntu 16.04 in UEFI and the installation ran smoothly but ...
0
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1answer
66 views

Boot Violation after altering GRUB

As the title states, I recently messed with GRUB when I was following this tutorial on making a Windows bootable USB. Unless I typed something else in poorly I believe this to be the issue. When I ...
0
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1answer
40 views

Restore Windows loader after deleting partition

I am just install Ubuntu 16.04 alongside Windows 8.1, but while installing i deleted Windows reserved partition. I installed Ubuntu in UEFI mode, but i not sure, that windows installed in UEFI. ...
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5answers
5k views

Ubuntu Server 14.04 after perfect install, boots into blank screen

After installing Ubuntuserver 14.04.2 LTS without any errors I tried to boot into my SSD and then I just got to a blank screen with a blinking underscore. There was no input except for "Ctrl + alt + ...
0
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1answer
48 views

Ubuntu 16.04: Checking Media [FAIL]

While installing Ubuntu 16.04 LTS on a machine which previously had 15.04, I selected to install third-party libraries. The 16.04 installer prompts to shut off Secure Boot and install via BIOS, so I ...
0
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1answer
31 views

Ubuntu 15.10 gnome edition won`t boot - error symbol 'grub_efi_secure_boot' not found

I have a problem with my ubuntu 15.10 gnome edition. If a link with pastebin from boot repair disk is all that's needed to come up with a fix, i won`t steal your time: Most recent pastebin: ...
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0answers
98 views

Ubuntu 16.04 not booting from USB

I tried to create a bootable USB for Ubuntu 16.04. When booting from the USB I only see a black screen with a blinking cursor though. Here are the different attempts I've tried: Download the Ubuntu ...
0
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1answer
24 views

Unable to Dual Boot/Install Aspire V3-112P with Ubuntu 16.04

I want to Install Ubuntu 16.04 with Win 10 in UEFI. But no success. Every time ubuntu is installed successfully but it doesn't boot. Only Win 10 boots.
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0answers
34 views

Grub doesnt load after installing Ubuntu

I just installed Ubuntu 16.04 from a LiveUSB, but after the installation is completed and i'm asked to restart, my computer just loads Windows 10 by default (With the manufacturer HP Logo) I tried ...
0
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0answers
19 views

I've succeeded in install Ubuntu 15.10 on my machine(Lenovo G40-80) but the OS is always hanging/ledging

I've found that it use 4.2.0-35 kernel. My machine has efi mode. 2.1. I've install it using EFI mode from CD 2.2. I've create EFI partition 2.3. My bootloader at EFI partition I've install Ubuntu ...
0
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2answers
232 views

Can't boot Ubuntu 15.10 on a Lenovo YOGA 300-11IBY

I've been trying to put ubuntu 15.10 on my Lenovo yoga 300-11IBY. The install process from USB seems to run fine, but I then find that I can't boot the system. In the bios only usb and network boot ...
1
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1answer
4k views

Boot-repair: Can't boot ubuntu in uefi mode

I am aware that there are many similar questions in this site, but none of the seems to solve my problem. I've been trying to install ubuntu 14.04 alongside a preinstalled Windows 8.1 in a toshiba ...
0
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0answers
18 views

UEFI Boot on Windows 10 preinstalled

I'm trying to dual boot windows and Ubuntu but it says it has installed but grub doesn't come up. I ha e tried using software but it says it won't work because it is a UEFI system Can anyone help ...
0
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2answers
850 views

Dual boot windows 10 ubuntu 16.04

Long story short , i inserted a windows 10 bootable USB deleted all partitions previously were installed , did this in command prompt : diskpart select disk 0 clean then installed a windows 10 on ...
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0answers
62 views

Installing Ubuntu 16.04 on new asus computer, problems! [on hold]

Trying to install Ubuntu 16.04 on a Uefi(?) windows computer. There is already a pre installed windows 10 on the computer which doesnt work. Im trying to switch to Ubuntu, after alot of googling I ...
1
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1answer
263 views

Text installer freezes at the language selection panel on Ubuntu 16.04 LTS (UEFI)

I just downloaded the newest Version of Ubuntu 16.04 LTS (http://releases.ubuntu.com/16.04/) and created a USB UEFI boot media (with rufus 2.8). Boot is going fine, but when i press "install ubuntu ...
3
votes
2answers
7k views

Grub rescue in new installation invalid arch-dependent ELF magic

I installed ubuntu over a W8 installation (my objective was that only ubuntu remains), the installation completed well and ask to reboot, after that, it only gives me a black screen and grub ...
1
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1answer
175 views

Ubuntu bootx64.efi not detect grub.cfg file on NTFS partition

First, I'm sorry for my poor English. I'm a Windows user and new with grub2 also Linux. So I came here to get some advice from you. I'm running windows 10 UEFI and now I want to use grub2 is main ...
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0answers
36 views

Install Ubuntu alongside Windows 10 on separate harddrive with possibly broken UEFI entries

I currently have the following hard drive setup in the following disk order 3TB drive (Primary NTFS partition) Contain windows install at some point in time 500Gb Drive (Active, Primary NTFS ...
0
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0answers
21 views

Black screen while installing Ubuntu 14.0.04 LTS on Hp pavilion 13 laptop with pre-installed windows 8.1 (UEFI ) and GPT partition hard-drive

I have browsed through many similar topics in numerous forums. I couldn’t find any satisfying solution so I have decided to post this problem here. I have following configuration: Hp pavilion 13 ...
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0answers
15 views

Error installing ubuntu 15.04 due to acpi_pm_good_setup [closed]

I have a brand new Lenovo E460 with Windows 10 on it, I am trying to install Ubuntu Mate 15.04 64 bit using a Usb drive. In my BIOS, I have disabled Secure Boot, set the Boot Mode to Both and enabled ...
0
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2answers
4k views

Dual boot Windows 8.1 and Ubuntu on SD card EFI (Chuwi VI10)

I have bought a Chuwi VI10, very cheap chinese computer dual booting Windows 8.1 and Android. It runs InsydeH2O BIOS. I got rid of the Android stuff and decided I wanted to install Ubuntu on the ...
0
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0answers
86 views

16.04, Windows 10 boot

Can't boot into windows. Legacy support, UEFI off, Fastboot off. Grub entry: insmod part_gpt insmod ntfs set root='hd0,gpt3' if [ x$feature_platform_search_hint = xy ]; then search --no-floppy ...