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.

learn more… | top users | synonyms (1)

0
votes
0answers
166 views

Windows 10/Ubuntu 14.04 dual boot problem. '/boot/grub/x86_64-efi/ntfs.mod' not found

[enter image description here][1]I'm new to Ubuntu, it would be great if you can help me set the windows and Ubuntu dual boot. I've tried many solutions, and I'm really lost. It seems like I touched ...
0
votes
1answer
47 views

Partition problems when dual booting with Windows 10

I got a laptop about two weeks ago. It was running Windows 10. It had a 1TB hard drive, and in Windows 10 the C: drive had 892 GB and the D: drive had 25GB. I decided to install Ubuntu. I installed ...
3
votes
1answer
30 views

Can't boot on Win 8 after installing Ubuntu : “A required device isn’t connected or can’t be accessed”

I have a lot of troubles setting up a dual boot on my new computer. After I set up and wired up the hardware I installed W8 as I guessed it would be harder to install with Ubuntu already installed. ...
0
votes
0answers
15 views

ubuntu boot entry restores itself

How do I remove "Ubuntu" in the bios boot menu? (UEFI) i followed every instruction mentioned over here. I am struggling with the last three instructions and cannot figure out how to delete ...
0
votes
2answers
103 views

Acer - Win10 & Ubuntu dual booting

I have also an Acer Aspire VN7-592 G with Windows 10 pre-installed. I am trying to install Ubuntu alongside Win 10 in dual boot, but no matter what version I put 14, 15, 16 at boot I have no option of ...
0
votes
1answer
176 views

32bit UEFI better support than a year ago?

I'm trying to install Ubuntu or any other Linux on my Bay Trail based tablet and following 32-Bit UEFI Boot Support advice. Internal display is supported only if I add nomodeset to installation boot ...
0
votes
1answer
162 views

Dual Boot Windows 10 Ubuntu 14.04

I am trying to install Ubuntu 14.04 / 15.10 as a dual boot with my windows 10 education (on a dell xps 13). I have created my bootable USB drive using Rufus (GPT for EFI). I have disabled Secure Boot ...
0
votes
4answers
71 views

I want to go all Ubuntu. How can I get my HP laptop with UEFI to boot Ubuntu directly?

I'm a bit fed up with Windows 10. I am currently dual-booting Windows 10 and Ubuntu. Now I'm in favor of Ubuntu, so now I want to go all Ubuntu and uninstall Windows 10 entirely. My main problem is ...
1
vote
1answer
65 views

Grub is bypassed by Windows booter

Latest Windows update messed up with grub. I fixed it using boot-repair, but Windows was damaged as a result. So I decided to reinstall Window 10 by deleting all partitions and then installing from ...
0
votes
0answers
38 views

CPU and system Fans won't stop in Suspend Mode in Ubuntu 15.10

Installed Ubuntu 15.10 in UEFI on new Asus built PC with skylake processor. Ubuntu 15.10 is the sole OS on this machine. Intel inbuilt HD graphics with NO external Graphics Card. Now when I ...
0
votes
0answers
17 views

How to make ubuntu as default OS against Windows 10? [duplicate]

I have windows 10 and Ubuntu 14.04 installed as dual boot on machine. Everytime I boot into windows 10 it change the boot order in UEFI. In order to boot into Ubuntu I have to make change into BIOS ...
0
votes
1answer
73 views

Attempts of installing grub2 failed

Recently I got my laptop back from warranty service because the hard disk was fried unexpectedly. It just had Windows 10. I tried uninstalling the previous distro of Linux I was using before the ...
0
votes
2answers
103 views

How can I remove bcdedit's GRUB completely?

I added GRUB to my Ubuntu installation's disk by bcdedit /set {bootmgr} path \EFI\ubuntu\grubx64.efi. Then, I removed Ubuntu from my disk and deleted the "ubuntu" file in the EFI. Every time I ...
0
votes
1answer
115 views

Will UEFI boot with EFI partition + MBR partition table work (instead of GPT)?

Is it a requirement for a drive to use GPT partition table if wanted use UEFI boot? Or is it still possible to use MBR partition table as format for drive's partitions and have bootloader saved in a ...
0
votes
1answer
69 views

Try to edit grub | How to make entry boot to Windows 10 rightly?

I'm trying to add Windows entry to GRUB2 on my Ubuntu 14.0.4 LTS. Although "Windows 10" selection is there, but it fails to boot and warns EFI invalid ... Below are a few screenshots I've ...
0
votes
1answer
78 views

Multiple GRUB installs with UEFI: how do they find their config?

According to Rod Smith's UEFI docs at http://www.rodsbooks.com/efi-bootloaders/grub2.html, grub.cfg can either be installed alongside grubx64.efi on the EFI partition, or left in /boot/ on a linux ...
0
votes
0answers
72 views

Install ubuntu on half drive with uefi and encryption gives me swap error

I am trying to install lUbuntu and I need to install it only on half of disk but with UEFI and with encryption. As far as I need only half of disk used, I peek "Something else" in step where they ask ...
0
votes
2answers
93 views

Dual boot Ubuntu 14.04.3 LTS with Win 10 on separate hard drives

I installed 14.04.3x64 LTS on hd1 with Win10 existing on hd0, using a live USB. No secure boot, no BIOS only UEFI options were selected from boot options firmware on HP desktop. My intentions were to ...
0
votes
1answer
155 views

Booting Ubuntu 14.04.3 - black screen with blinking cursor, then returns ASUS BIOS utility menu

I just built a rig (ASUS X99E WS mobo, intel i7 5930 CPU, MSI GTX 980ti GPU, 2x8 GB G Skill DDR4 2133 RAM) with no OS currently and am having trouble booting Ubuntu 14.04.3 on it. I created the live ...
0
votes
0answers
32 views

USB not detected in EFI mode when trying to repair grub

I have an HP envy dv6 Notebook (windows 8.1) and I already have UBUNTU 14.04 LTS ainstalled. The issue is After installing ubuntu I when attempted to repair grub with the boot repair utilities on live ...
0
votes
4answers
308 views

Installing Ubuntu on MSI GT72S G-220

I'm having issues getting Ubuntu 15.10 on my system. These are my specs: 6th Generation Intel Core i7-6820HK (2.7 GHz) 32 GB Memory 1 TB HDD 256 GB M.2 SSD NVIDIA GeForce GTX 980M 8 GB GDDR5 ...
0
votes
2answers
29 views

the efi boot order keeps being forgotten

I installed Kubuntu a few days ago, and I have in a partition alongside windows (all UEFI). Right now if I boot the computer the windows boot loader starts and Windows starts, so to start ubuntu I ...
1
vote
2answers
52 views

Boot problems with Ubuntu on a external drive

I have tried to install Ubuntu 14.04 LTS on an external drive alongside my Windows 10 OS on my internal drive. If my external drive is connected everything works just fine. The grub menu loads and I ...
0
votes
1answer
83 views

Dual boot and mounting windows partition problems

i am new to ubuntu, i am installing LXLE 14.04.03 (64bit) on a Lenovo G50-30 preinstalled windows 8.1 updated to Win10 Home. I carried out the install with Secure boot disabled and Bios/uefi optimised ...
0
votes
1answer
144 views

Ubuntu server edition UEFI mini pc

I would like to install ubuntu on a PIPO X8 but i cant seem to the hang of it. I even lost the default dual boot and i am not sure how but now only android is booting and I noticed in the bios under ...
0
votes
1answer
55 views

Will installing Ubuntu in Legacy Mode ruin Windows?

I have a HP Pavilion Notebook with Windows 10, with the following specifications: RAM : 8gb Processor: Intel i5 HDD: 1TB Graphic Card : 2gb ATI Raedon And here is the msinfo32 output: OS Name ...
0
votes
1answer
166 views

Can i install Ubuntu alongside Windows 10? [duplicate]

I have a Lenovo laptop with Windows 10 on it. Is it possible to install any version of Ubuntu alongside Windows 10?
0
votes
1answer
25 views

hp pavillon dual boot ubuntu

I managed to install ubuntu and dual boot it on a hp pavillion notebook. To do that I had to press esc and f10 immediately after pressing power, in order to access the bios. Enable legacy in the boot ...
0
votes
1answer
47 views

Can an UEFI Ubuntu installation be converted into a BIOS installation?

Because a rare behavior on one of my PCs, I have to installed Ubuntu with the UEFI way (because into the normal BIOS way, I just got a broken Windows start, because it had already been removed). BTW: ...
1
vote
0answers
70 views

Ubuntu Live-CD can't detect my HDD [Solved]

Hello dear Ubuntu users. I have been struggling to install Ubuntu on my laptop, I want to make a dual-boot windows/Ubuntu, but I just can't install it. Already changed my BIOS to AHCI and UEFI, but ...
0
votes
4answers
164 views

BIOS problems. I accidentally erased ubuntu from BIOS boot menu

TL;DR at the end if you don't want to read up on how the problems occurred. So, it all started when I tried to install windows 10. My computer ran out of battery, I tried to wipe the HDD, win 8 gave ...
0
votes
1answer
112 views

No EFI boot partition on GPT SSD - GRUB won't load Windows

Hi I recently installed Ubuntu Gnome 15.10 64-bit on my T450s to dual-boot with W10. I formatted my SSD as GPT a while ago and forgot so I never manually added the EFI boot partition necessary for GPT ...
1
vote
0answers
24 views

Windows not booting from GRUB

After dual booting Ubuntu 14.04 and Windows 10 , when I select Windows from GRUB I sometimes boot into Windows perfectly fine . At other times I get a green jagged line screen for 2 mins , to be ...
0
votes
0answers
52 views

Don't know how to fix this error

It showed me this upon every bootup: error: attempt to read or write outside of disk 'hd0'. Entering rescue mode... grub rescue> I tried the method outlined here: ...
0
votes
1answer
263 views

Windows10 - Asrock z170 extreme4 - Dual Boot

Initial scenario: Windows10 already installed in EFI mode Free space left for ubuntu + swap Problem I can install easily ubuntu in legacy mode ( both 14.03 or 15.10) but I am not able to boot it in ...
0
votes
1answer
112 views

Does rEFInd have a “recovery mode” like there is in Grub2

rEFInd is awesome to dual-boot Ubuntu (primary) and OSX (way secondary). But every now and then I screw something up, and I miss the Grub2 option of booting into "recovery mode" and then dropping ...
0
votes
1answer
119 views

How to reinstall grub from a liveUSB if the / partition is encrypted and there is a separate /boot partition?

Hello I found few threads that explain how to reinstall grub2 by the mean of chroot but none of them explain how to proceed if my / is encrypted and if there is an plain /boot partition. Thing is I ...
0
votes
0answers
107 views

Acer Aspire E 15 won't boot from USB

I'm trying to boot my Acer Aspire E5-573-33SE laptop from a USB flash drive with Ubuntu 14.04 on it. It gets to the line where it says "ACPI: Unable to load the System Description Tables and then ...
1
vote
5answers
189 views

GRUB not loading for dual boot

I'm running a dual boot Windows 10 and Ubuntu 15.10 on my HP Spectre X360. Everything worked fine until I updated Ubuntu and it asked me to restart the system. After the restart GRUB wouldn't show ...
0
votes
0answers
12 views

Is there a pre-compiled version of Ubuntu that installs on computers with 32bit EFI? [duplicate]

My task is getting a Linux distribution (preferably Ubuntu) to work on my HP Envy X2. It has an Intel Atom CPU that supports 64bit architecture, but a 32bit EFI. The current operating system is ...
0
votes
1answer
77 views

UEFI boot not working afte succesful install - Ubuntu 15.10

I am not able to UEFI boot a computer after a successful USB install of Ubuntu 15.10. I prepared the bootable USB with the newest version of Rufus, using GPT for UEFI mode. After a successful OS ...
2
votes
1answer
145 views

Installing Ubuntu 15.10 with Windows 10 in EFI mode on two harddrives

I have just bought a new computer with two hard drives and it came with Windows 10 pre-installed. I decided to install Kubuntu on the second hard drive. The weird thing that struck me from the ...
0
votes
1answer
114 views

new laptop ubuntu installation problem

I'm really a GNU/Linux newbie and tried to install ubuntu 15.04, 15.10 and even 16.04 on my new laptop with i5 6300hq gtx970m and windows installed with UEFI. Everytime I try to install ubuntu, I ...
0
votes
0answers
21 views

Dual Booting Issues

I just finished dual booting my computer (here's the specs) with Ubuntu 15.10. I keep running into an issue where I will select Ubuntu and Windows 10 from Grub and then a few different things can ...
0
votes
0answers
63 views

Ubuntu UEFI installed next to win10 goes black screen after grub- caused by motherboard change

As in question topic, I have problem that my kubuntu 15.10 goes black screen after grub. Firstly It is just black screen, but after some time monitors turn off, And everything I can do is to press ...
0
votes
2answers
114 views

Ubuntu live USB won't start with CSM disabled

I copied files from the ubuntu-15.10-desktop-amd64.iso to a FAT32 formated USB drive. When I boot on the USB and select Ubuntu live the startup get stuck at a black screen with the message Ignoring ...
1
vote
4answers
65 views

Ubuntu install grub

I have dell 5558 laptop with windows 8.1 pre-installed. I want to install ubuntu 14.04 alongside windows, so I downloaded the iso image. I then formatted my pendrive then using universal USB Installer ...
-1
votes
1answer
279 views

Installing Ubuntu 14.03 with UEFI

I'm trying to install Ubuntu 14.03 on my new Odys Trendbook 12. It came with Win 10 pre-installed. My problem is that I don't have the option to disable Secure Boot in the UEFI Settings. I created a ...
1
vote
2answers
260 views

Why won't bless make rEFInd boot by default? [closed]

I'm in OS X. In the refind-install script, there's a bless command that is running, but doesn't seem to work: elif [[ "$TargetDir" != "/EFI/BOOT" ]] ; then bless --setBoot --folder ...
0
votes
1answer
104 views

Memtest86+ does not work on efi system. Is there an alternative way? [duplicate]

It shows "unknown command linux16" when I run memtest86+ on efi system.