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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48 views

What does it mean to install loader to sdaX?

During linux installation all of us are asked to install bootloader somewhere. For example we have following partitions: sda sda1 sda2 sda5 First sector (512 bytes) is MBR with 446 bytes for ...
0
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1answer
67 views

Grub not loading installing ubuntu in a windows 10 laptop

I dual booted ubuntu 15 on my hp laptop wich already had windows 10. then in ubuntu i changed bootorder from bootmgr so that ubuntu should boot first. But in contrast ubuntu does not load..windows 10 ...
0
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1answer
70 views

Installing Windows10 and Ubuntu on UEFI with GPT

I just preparing all for install Windows and Ubuntu together in one SSD. My plan is: - Install Windows10 in UEFI using GPT partitions - Install Ubuntu in UEFI using GTP (mount /boot/efi) Now, I have ...
3
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0answers
61 views

Just installed Ubuntu but booting error displayed “Insert system disk in drive.”

Until a few days ago I was mainly a Windows user, since I couldn't install linux via dual boot on my computer. I tried everything several times, did everything right, but the problem was that after I ...
1
vote
1answer
39 views

boot-repair not working on hp elitebook 2170

I bought a second hand hp elitebook 2170p, windows 7 preinstalled. I installed ubuntu erasing windows 7 (UEFI mode). Before installing on UEFI mode, I tried using "legacy" mode (selected from boot ...
0
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1answer
27 views

Bash prompt after format of drives

I'm almost certain I formatted all my partitions to unallocated space, yet on an occasional reboot back to windows 10, I get thrown to a bash prompt. So I have to reboot and select windows boot ...
0
votes
1answer
86 views

Clean install of 15.10 on bare disk results in unbootable machine due to secure boot / UEFI

I installed 15.10 on a brand new (empty) disk installed in a Lenovo T450s, using a USB. When I rebooted, however, the laptop refused to boot off the disk. Going into the BIOS (?) and turning off ...
0
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0answers
31 views

How to add a secondary Windows hard drive which already has an MBR

I've found this community incredibly useful in making the leap into the world of Linux and had banished Windows for good but now I require it to run some very CPU intensive music software which isn't ...
0
votes
1answer
76 views

Boot Repair failed, what should I do

This is the pastebin result: https://paste.ubuntu.com/15009157/ I also got this message from the report but I don't know how to proceed with this. Can someone please explain this: The boot files ...
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0answers
73 views

Running UEFI in QEMU machine q35

I wrote a UEFI driver and I'm trying to run it in QEMU (ovmf...). It works fine but when I'm trying to access registers with address >100 hex (access any PCIe device) it fails. I'm trying to run QEMU ...
0
votes
1answer
133 views

UEFI not finding a bootable system on XPS13

Short version I reinstalled Ubuntu 15.10 on my Dell XPS 13 (Option: Erase disk and install Ubuntu) but on boot, I have a message that no bootable system has been found. When I display the boot ...
0
votes
1answer
89 views

Grub2 fallback with 14.04 … need How-To

Ubuntu server 14.04 efi-gpt disk with three partitions, 1=boot, 2=main, 3=recovery I want: default boot on gpt2, grub fallback to gpt3, and grub-reboot to reboot into recovery from main. What I get ...
2
votes
1answer
127 views

How to install Ubuntu on a GPT partition table without using EFI boot?

I'm planning to install a new Ubuntu system on an empty hard drive with more than 3TiB of volume. In order to fully utilize the drive, the regular MBR partition table can not be used. How do I set up ...
0
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2answers
98 views

Still cannot load windows 10 even after using boot-repair

So i was trying to make my windows 10-pc a dual boot with ubuntu 15.10.After the installation,the windows-10 loader cannot be found in the boot menu.And so i used boot-repair.Doing it created two ...
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0answers
127 views

ASUS N550JK - Ubuntu 15.10 install

First time here, and I know nothing about Ubuntu, but what I've found out is it won't boot, period; if I have Fast boot, Secure Boot ON and Launch CSM (for legacy OS) OFF. But, I want to get into ...
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0answers
22 views

Could I put both the AMD64 and i386 Ubuntu images on one usb drive?

Basically, the PC I use at home is 64-bit and the computers at my school are 32-bit. I'm kind of doubting it, but I'm wondering if I can make a persistent liveUSB of Ubuntu with the startup disk maker ...
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0answers
84 views

Dual booting Windows 10/Ubuntu on a windows 8 pre-loaded machine

I am new to Linux world and I want start using Linux for course work (but don't want to remove windows yet and I don't want to use virtual machine). I have windows 8 pre-loaded machine (Dell XPS 15) ...
0
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2answers
97 views

Ubuntu 14.04.3 live USB not booting in pre-installed Windows 10 machine

I am trying to dual boot Ubuntu 14.04.3 alongside Windows 10 using USB flash drive for booting. I get the following error, with all the combinations in UEFI Firmware settings I tried - initramfs: no ...
0
votes
1answer
95 views

Dual booting Windows 10 and Ubuntu (UEFI mode) on a blank HDD.

My computer came with a FreeDOS. It has a 1 TB HDD and 8 GB RAM. Also, it is a 64 bit processor. Sadly the computer / laptop does not have a CD / DVD ROM drive. Fortunately, it has 4 USB ports. The ...
0
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1answer
61 views

boot Ubuntu 14.04.3 problem from grub2

I have a problem installing Ubuntu 14.04 LTS on my ASUS Zenbook UX301LA-DH71T. The long story: I installed an older version of Ubuntu when I bought the Zenbook (I think it was a 12.XX version). I ...
0
votes
1answer
37 views

Does Ubuntu have UEFI Secure Boot keys for single boot for all of their software? [closed]

Does Ubuntu have UEFI Secure Boot keys for single boot for all of their software? I want to remove Windows 8.1 from my HP Streamer 7 and install Lubuntu 16.04 in May. Need your help!
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2answers
75 views

Cannot Change the boot order in bios or F9 Anymore after installing Ubuntu

other Operating System: Microsoft Windows 10 (64-bit) hi I have a HP Pavilion TS Sleekbook 15 touchsmart I cannot change the boot order in the bios boot order menu ( i tried to disable the legacy ...
3
votes
1answer
126 views

How to dual boot Ubuntu with Windows 10?

I've tried to install Ubuntu twice, after the first time I installed it then I restarted my laptop (as instructed) and it fails to boot Ubuntu saying Ubuntu is on low graphics mode giving me various ...
1
vote
1answer
16 views

Machin reboots during istallation

I've tried both versions now, 14.04.3 and 15.10 with the same result. No matter if I just choose to try without installation or install I'm stuck in a bootloop. Istantly after I choose one option the ...
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vote
1answer
146 views

Dual boot Ubuntu and Windows 8: UEFI vs Legacy mode

I'm an Ubuntu user and lover. Yesterday, I decided to install Xubuntu on my sister's laptop (which had Windows 8.1 preinstalled, in UEFI mode). It's a Lenovo G400S, 4 GB of RAM, Intel i5 CPU (I don't ...
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votes
2answers
91 views

efibootmgr creates an entry in which DevPath is set to Venhw istead of PciRoot

Hello I have a big problem because you see when I use efibootmgrto create a boot entry it just makes a unbootable japanese character in the EFI boot menu and this is very bad. On the other hand when ...
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0answers
47 views

Cannot install on Windows 10 UEFI

Dell Inspiron 7559, I installed last semester on old laptop & was super easy. Now when I try to select USB to boot from (I formatted USB using Ubuntu .iso as instructed on Ubuntu site, tried both ...
0
votes
2answers
81 views

How can I install Ubuntu 14 LTS on my Dell 13" 7000 series 2-in-1 laptop?

I've read a number of guides attempting to explain how to dual boot Ubuntu with Windows 10, but the problem I keep running into is that can't I can't even get the Ubuntu installer to start. I ...
0
votes
3answers
97 views

I installed Ubuntu 14.04.3 LTS, but I can't boot into it. How can I fix this?

I've installed Ubuntu 14.04.3 LTS from a USB drive, on a PC running Windows 8.1. But when I turn on my PC, I'm not presented with an option to choose to boot either Windows or Ubuntu. Instead, I'm ...
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votes
0answers
54 views

Every new linux image update I get black-screen on login

Ubuntu pushes a new linux image through the software updater pretty frequently, i.e today I got; linux-image-extra-3.13.0-77-genereic linux-image-3.13.0-77-genereic Every time these updates are ...
3
votes
1answer
317 views

GParted does not recognize SATA M2

I bought myself a new Laptop, the ASUS GL771JW with 250 GB M2 SSD drive and a 1 TB HDD. Now I'd like to install Ubuntu 15.10 on it, but I get errors. I downloaded the amd64 Ubuntu ISO and put it on ...
0
votes
0answers
39 views

PCI passthrough not working after VM reboot

I've been spending the last few days trying to get a Windows 10 VM with UEFI & PCI passthrough going. I'm running a rather fresh (2 weeks old) install of Ubuntu 15.10. The GPU I'm passing through ...
0
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0answers
50 views

WINDOWS 10 AND UBUNTU 10 BOOT/GRUB PROBLEMS

I had a dual system of windows 10 and ubuntu. After relocating my partition, UBUNTU doesn't work and I when I am trying to use boot repair, the program indicates that "The boot of your PC is in Legacy ...
0
votes
1answer
41 views

Change from UEFI to BIOS: can not install grub

I wanted to change from UEFI to BIOS on my Samsung Series 9 Laptop to be able to use features such as keyboard backlight. I lossley followed this instruction Convert from EFI to BIOS boot But when I ...
0
votes
1answer
218 views

cannot get grub/boot after Ubuntu install on surface pro 3

I've gotten a surface pro 3 and installed Ubuntu xenial nightly on it. I've disabled secure boot and when I reboot the system after install it goes straight to the bios screen without any boot loader ...
0
votes
2answers
114 views

Ubuntu 14.04.3 LTS x64 HP zbook UEFI nvidia driver

I have an HP Zbook running Ubuntu-gnome 14.04.3 LTS x64. This machines comes with the nvidia K610m video card. Here is my issue: Leave the default BIOS setting to "Legacy" and install Ubuntu. Once ...
0
votes
1answer
81 views

“Disk drive for /boot/efi is not ready yet or not present” after reinstalling Windows

There are a number of questions with very similar titles on this site but none of them really helped me. If I missed something, please let me know. So here is my story: My laptop was shipped with ...
0
votes
1answer
526 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 ...
0
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0answers
217 views

Installing Ubuntu on Samsung ATIV 500T

Is it possible to install any distribution of Ubuntu on Samsung ATIV 500T? It's a 32 bit tablet, running Windows 8. So far I tried booting these operating systems (I disabled secure boot in the ...
1
vote
1answer
944 views

How can I install 64-bit Ubuntu 15.10 on my UEFI-IA32 Bay Trail tablet?

"I have a Windows 8-10 tablet with a 64-bit Bay Trail atom processor, and a 32-bit UEFI BIOS. How can I install 64-bit Ubuntu 15.10 on my tablet?" This tutorial is not a duplicate of this question ...
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0answers
195 views

No option to Install Ubuntu 15.10 alongside Windows 10

I am having a problem with installing Ubuntu alongside Windows 10. I do have a basic disk, so that is not the problem. I also booted into the installer from a USB in Windows Advanced Startup. Before ...
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vote
1answer
1k views

Unable to chainload OS X Clover bootloader from GRUB

So I have a triple-boot setup in which I have just updated OS X (Hackintosh) to the newest version and a new bootloader (from Chimera to Clover). It looks something like this: Ubuntu 14.04 LTS on ...
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vote
1answer
78 views

With secure boot disabled, is there long term vulnerability to malicious code (on 14.10 and 15.04/Win multiboot setups)?

In a nutshell: is it really a good safe idea to leave Secure Boot disabled? I have two laptops with LinuxMint,Xuntu, Ubuntu 14&5 Win 10 and Win 8.1 between them. Grub 2 works fine with /,/boot ...
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votes
1answer
91 views

ubuntu 14.04.3 bootloader cannot be installed at specified location

[retina 15" Macbook Pro 2014, rEFInd, OS X, & Ubuntu 14.04.3] Installing Ubuntu, I've chosen the 'Other' option from the template menu. My partitions are setup as follows: /dev/sda free space ...
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1answer
81 views

Can I disable SecureBoot, even though my motherboard doesn't give me the option to do that?

It does not give me the option to run alongside windows during installation, tried to make Grub2 pop up manually, but it kept giving me an error. I run UEFI btw.
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vote
1answer
188 views

Grub cannot detect Windows 10 (UBUNTU INSTALLED FIRST)

I have a Lenovo Yoga 2 pro triple booted with two Ubuntu (15.10, 14.04) and Windows 10. Initially I wiped the hard drive and installed Ubuntu. To install windows I reformatted the hard drive to GTP ...
0
votes
1answer
67 views

Cannot boot ubuntu on a very old iMac

Background I've successfully installed Ubuntu 64bit 14.04.03 Desktop on my old White Core 2 Duo iMac Linux is a second OS, with OS X 10.7.5 still in place and usable. The only install recipe I ...
0
votes
1answer
357 views

How to boot from a usb in UEFI mode on a Dell Inspiron

I want to dual boot ubuntu 15.10 with already installed windows 10 (upgraded from 8). From what I've been researching, in order for ubtuntu to be dualbooted with windows 10 on a uefi machine, the ...
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0answers
97 views

Dual-boot Ubuntu with Windows 10, can't get passed loading screen

I CANNOT install Ubuntu. I have a new MSI laptop with Windows 10 and want to dual-boot Ubuntu. I followed these guides as well as help.ubuntu.com/community/UEFI for installing in UEFI mode and ...
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3answers
234 views

Can boot from SSD-drive, but Ubuntu installer can't find it

Ubuntu installer can't find new SSD disk. I'm trying to install Ubuntu on a ASUS VivoBook, model R304LA with bios version 210. It has UEFI with secure boot and all that jazz, but I've managed to turn ...