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
1answer
731 views

Installing Ubuntu 14.04.1 LTS from USB on an UEFI system stops in grub rescue shell - how to continue?

I want to install Ubuntu 14.04.1 from USB on a system with UEFI (from HP) instead of BIOS where Windows 7 is preinstalled. Unfortunately booting from USB-Stick hangs at the Grub "rescue shell" with ...
1
vote
0answers
91 views

How to make Windows 8 appear in a boot menu when dual-booting with Ubuntu?

I want to ask how to create GUI for choosing OS when booting my notebook. I have Windows 8 preinstalled on my notebook, and I wish to have a dual boot system with Ubuntu, However, after Ubuntu ...
0
votes
0answers
400 views

Cant get burg to load up on 14.04.1 LTS with Windows 8.1 Pro

So I reinstalled the LTS due to some issues and I decieded to try burg out. So installed it and everything and sudo burg-emu works and shows the theme installed working too. However it will show ...
-1
votes
2answers
93 views

Windows 7 won't boot from GRUB (UEFI)

everyone. After having installed Ubuntu on my desktop Windows 7 won't run. There's a menuentry in the GRUB called "Windows 7" but when i press it nothing happens - the GRUB's menu just reappears. I ...
0
votes
0answers
204 views

EFI installation fail

EDIT: I managed to resolve part of the problem myself. Now I am left with this. I have a Toshiba Satellite NB10t-A-101 with pre-installed Windows 8. I did had Ubuntu installed before, but after a ...
0
votes
1answer
1k views

Linux Full Installation on USB (Windows 8.1 Surface Pro 1) UEFI issue

I see a few similar questions but I haven't found one that had a solution yet for me. So, forgive me if this seems redundant. As the title implies, I want to install an Ubuntu fork (LinuxLite 2.0) on ...
0
votes
0answers
51 views

Ubuntu stuck on as a uefi entry after doing efibootmgr

I have a Asus x550ca and I have dual booted it with windows. The problem is that I deleted the ubuntu partition and swap because I found ubuntu to be useless to me and there is a ubuntu entry in my ...
1
vote
1answer
227 views

EFI Boot loader problem for dualboot system with windows 8.1

I succesfully installed ubuntu 14.04 manually alongside windows 8.1 on my Lenovo ThinkPad Yoga. However I did not manage to fix the booting process. So here is what I tried so far: using ...
0
votes
0answers
29 views

How to improve my disk partition?

I want to improve my disk partition. I get an exclamation point on one of the partitions and what is? Please explain me first and give a solution. and It does not affect me, but I would like to ...
-1
votes
1answer
314 views

How do i Make a Custom UEFI bootable live CD?

I tried the following from: LinuxQuestions.org. mkisofs -U -J -joliet-long -r -v -T -o ttylinux.iso -b boot/isolinux/isolinux.bin -c boot/isolinux/boot.cat \ -no-emul-boot -boot-load-size 4 ...
0
votes
1answer
271 views

How to access the UEFI firmware settings? (aka BIOS)

When trying to install Ubuntu on a UEFI-capable computer that came with Windows 8 preinstalled there is no indication like on previous computers (eg. "Press F2 to enter setup") when to access the BIOS ...
2
votes
1answer
179 views

Lubuntu 14.04.1 - load installer components from cd fails, although integrity is ok - why?

I am trying to install lubuntu-14.04.1-alternate-amd64 on a USB Stick - and oh my, is that some trouble. My Setup: Win7 UEFI System with enabled Secure Boot My Target: 64GB USB 3.0 Stick in USB3 ...
0
votes
0answers
14 views

Trying to clean Install windows 8 after Ubuntu has been successfully installed onto my system [duplicate]

Hello to all Ubuntu users. I am posting this message as my last resort to try and solve some issues I am having with my system. Here is some technical info: My laptop is Lenovo G500s Notebook, 8gb ...
0
votes
0answers
101 views

Ubuntu not showing as boot option in BIOS

I'm having loads of problems using Ubuntu 14.04 64-bit in a machine with Win8 preinstalled. I have tried installing it 3 different times, using different configurations. The one i'm with now has a ...
-1
votes
1answer
966 views

How to set USB flash drive as first boot device in dell inspiron 15

i m trying to install ubuntu on Dell Inspiron 15 using USB flash drive using USSB installer. But in booting sequence there are only two boot options. Legacy boot and UEFI boot mode. Can anyone tell me ...
0
votes
1answer
290 views

Neverending issues with grub (ubuntu 14.04 on ASUS with Win8 dual boot)

This is the most frustrating issue I have ever run into using Ubuntu and Windows in the same machine. I have an ASUS K46CB, 6GB RAM and preinstalled Windows 8.1 64-bits. I have successfully ...
0
votes
2answers
98 views

Can't Reboot into Windows 8.1 from Ubuntu

I am newb in Ubuntu. Currently I am using an Acer V11 laptop with a pre-intalled Windows 8.1. I follow some guideline ...
1
vote
0answers
244 views

boot XEN under UEFI-only BIOS

Is there a way to get XEN 4.4 booting from UEFI mode BIOS? My AMD64bit laptop does not support direct CSM/legacy boots. A nasty workaround has been to boot from a specially made USB pendrive with ...
1
vote
0answers
389 views

How to install on Lenovo IdeaPad Flex 15D

i would like to know how to instsll install Ubuntu 14.04 on my Lenovo IdeaPad Flex 15 D that have Windows 8 based on UEFI firmwares and have hidden partitions for recovery, so i saw a lot of YouTube ...
0
votes
0answers
60 views

How to add the intel_pstate=enable command to the kernel on an EFI-only system?

I've tried editing the refind.conf file and I cannot get that to work. Is there ANY way to edit the entry that refind auto-detects? GRUB is not installed. The host computer is a macbook pro 11,1.
0
votes
0answers
24 views

Increase size of root / ubuntu 14.04 [duplicate]

I wanted to increase the size of my root / and /home in ubuntu. Currently my disk map looks like following : Filesystem Size Used Avail Use% Mounted on /dev/sda9 14G 9.2G 3.8G 71% / ...
0
votes
1answer
186 views

Cannot install ubuntu 14.04. Cannot see installation screen when boot from DVD/USB [duplicate]

Hi I have this problem and it is very frustrating. I downloaded 64 bit ubuntu 14.04 and make both DVD and USB drive from the ISO file. I want to install ubunto alongside with my win 8.1. When I ...
0
votes
1answer
149 views

Dual Boot Ubuntu in Windows 8 OEM System when USB is not detected

Ok... So I trying to dual boot Ubuntu 14.04 64-bit and Windows 8.1 Asus OEM on my laptop, and it DOES have UEFI BIOS. So, in accordance with the instructions, I disabled Fast Startup, SecureBoot, but ...
0
votes
1answer
518 views

How to boot load the kernel using EFI stub (efistub) loader?

I have Ubuntu 14.04 running in UEFI mode as only operating system, no dual-boot here. The kernel version is 3.13.0-24-generic. There is an EFI partition. In this case the EFI partition is not at the ...
0
votes
1answer
32 views

Ubuntu “Wubildr.mbr is missing or contains errors.”

I want to get Ubuntu on my laptop (HP Pavilion) but every time I try to install it using Wubi, I get this error: Wubildr is missing or contains errors. What could be the problem? I had Ubuntu on ...
1
vote
1answer
172 views

Does the Ubuntu kernel have EFI stub loader boot support?

This question is regarding efistub booting. I would like load the stock pre-compiled Ubuntu kernel directly from UEFI firmware its boot menu, using efiboogmgr. Since which Ubuntu version can this ...
2
votes
2answers
827 views

boot-repair fails (UEFI and pre-installed Windows 8)

I have bought a new laptop, Toshiba Satellite NB10t-A-101, with pre-installed Windows 8, after one day of figuring out how to install Ubuntu in UEFI I finally managed to do it (which wasn´t easy, as ...
0
votes
1answer
168 views

Win 8.1 + Ubuntu 14.04 [duplicate]

I have a sony vaio laptop, bought around june 2012 with Windows 7 pre-installed. My BIOS is a InsydeH20 rev 3.7. I'm using Ubuntu alone for a long time now, I would like to install a dual-boot with ...
3
votes
1answer
5k views

Which commands to convert a Ubuntu BIOS install to EFI/UEFI without boot-repair on single boot hardware?

Accidental BIOS mode install I have Intel 64-bit hardware with UEFI setup utility. Ubuntu 14.04.1 LTS was installed as the only operating system on the only drive attached. Accidentally Ubuntu was ...
0
votes
0answers
39 views

Boot repair - no luck

I was trying to Install Ubuntu 14.04 In Dual Boot Mode With Windows 8.1 UEFI in my new Acer laptop. The installation of Ubuntu was finished successfully. But when I rebooted (with secure boot ...
1
vote
1answer
386 views

Installing grub boot on Uefi 64 bit HP LAPTOP

Could I clarify an installation choice. I am installing Ubuntu 14.04 to an existing W8 installation with 'secure boot' disabled as I could not get the Uefi to pick up the live Dvd. There is an ...
-1
votes
1answer
153 views

Deleted my previous linux partition and now getting stuck at grub boot prompt when i boot from usb/ use “ubuntu” option in bios/EFI boot menu

Let me tell you the full story. I had installed ubuntu and used it. Recently i wanted to use windows only (Windows 8.1) So, i deleted the linux partitions from the diskmgmt.msc in windows.I also used ...
1
vote
2answers
351 views

Can I Use Boot-Repair To Wipe My Computer?

I'm trying desperately to uninstall Ubuntu 14.04 and replace it with Windows 7, but I'm encountering serious issues. See this thread: Trouble installing Windows 7 via USB TL;DR I have a Windows 7 ISO ...
0
votes
1answer
488 views

Will BIOS boot mode Ubuntu install be able to boot when firmware “Fast Boot” is “Ultra Fast”?

I have an AsRock mainboard with UEFI BIOS P1.50 02/14/2014. The firmware "Fast Boot" option is set to "Fast", Boot Option #1 is set to "AHCI P4: OCZ-VERT...": this is BIOS not UEFI boot. This boot ...
1
vote
1answer
213 views

Boot repair : error occurred [duplicate]

We were trying to Install Ubuntu 14.04 In Dual Boot Mode With Windows 8.1 UEFI in my new HP laptop. The installation of Ubuntu was finished successfully. But when I rebooted (with secure boot ...
2
votes
2answers
2k views

Trouble installing Windows 7 via USB

I've spent the better part of two days trying to solve this problem, and still I'm coming up empty. I'm currently running Ubuntu 14.04 64-bit on an ASUS laptop. I don't have an optical drive, so I'm ...
0
votes
1answer
207 views

Black Screen after grub - Ubuntu Server 14.04.4

I have a Fit-PC3 (specs here), but when I want to install Ubuntu Server (by choosing the first option given on the grub menu), a black screen appears only. I know this is a common issue, and I know I ...
2
votes
2answers
852 views

ElanTech TouchPad NOT detected as PS/2 in EXO NIFTY 7385

My touchpad is not recognized (is not present in the xinput list) as a PS/2 device or a USB device after installing Ubuntu 14.04. My computer is an Ultrabook that I bought with Windows 8, the touchpad ...
0
votes
1answer
103 views

Migrating Ubuntu from a MBR disk to a GPT disk (non-UEFI)

The question is: how to Migrate Ubuntu installed on a LVM Logical Volume with a separate boot partition from a MBR disk to a GPT disk on non-(U)EFI hardware without data loss to enable the usage of ...
0
votes
0answers
145 views

Repairing windows 8 EUFI boot after installing Ubuntu 14.04 with legacy

The drive containing windows 8 automatically boots to grub after installing ubuntu 14.04. I may have made a mistake when assigning which drive to install grub on, so now it has been 6 hours of panic ...
1
vote
0answers
56 views

No USB boot. No CD boot. Can I install Ubunto on a Mac Mini?

I've been through the answers to similar questions, but they all require USB or CDROM booting. I've installed EFI - it might be that I've not done that correctly, but it boots in EFI, but doesn't find ...
1
vote
2answers
331 views

Install grub2-efi bootloader to image after install and before RESTART

I want to install UBUNTU 14.04 on a USB3 32GB sandisk EXREME. I Disconnect internal HDD during install. No problem with install. I Boot installed flash drive on other PC ok My PC is HP DV7 and only ...
0
votes
2answers
883 views

Problems with Dual Boot om Packard Bell TE69BM

I want to install Ubuntu on a Packard Bell EasyNote TE 69 BM. Go into the bios and will change the Boot Mode but it is not possible. There's only one option UEFI and Secure Boot, I can not change. ...
0
votes
0answers
80 views

Installing Ubuntu on Karbonn S11 (win8) Tablet

I've recently bought a win8 Karbonn s11 Tablet PC and now i want to install Ubuntu 14.04.1 LTS. The point is that the BIOS (windows calls it UEFI [?!], but it's certainly BIOS up to me) doesnt see the ...
1
vote
3answers
2k views

windows 8.1 changes boot order

I am running dual-boot with Ubuntu 14.04 and Windows 8.1. Everything works great without needing to live boot... except one problem I can't figure out. Every time I boot into Windows, it rearranges ...
0
votes
1answer
281 views

Unable to install14.04 on Toshiba Satellite L40D-B

Brand new Toshiba Satelitte L40D-B Model: PSKRGC-002001 Windows 8.1 pre installed 64 bit AMD A6-6310 APU AMD Radeon R4 Graphics RAM: 6144 MB Clock: 1.80 Ghz HDD Toshiba 686 GB Bios 1.00 English Trying ...
0
votes
1answer
454 views

When I reach the installation it says : “This computer currently has no detected operating systems.”. What do I do to make it detect windows 8?

I followed these instructions to install ubuntu on my computer which already has windows 8, I chose to burn it on a DVD. My computer is an Asus X550CC. It didn't work, my computer simply restarts ...
1
vote
3answers
3k views

Can't enter BIOS settings after installing Ubuntu (Samsung NP300E5S)

I've Samsung (NP300E5S-01IN) laptop, I installed Ubuntu 14.04 LTS on it and now I want to install Windows 8.1 on another partition but whenever I press "F2" key to Enter BIOS settings. it brings me to ...
0
votes
1answer
50 views

GRUB repair issue - duplicate Ubuntu and no Windows

I tried to repaid grub via Boot-Repaid and these are the results: http://paste.ubuntu.com/7894957/ Currently I have two Ubuntus listed (but they boot into the same system) and the Windows ...
0
votes
1answer
56 views

Why it's dual UEFI Boot Manger For UEFI Ubuntu OS

After installing Ubuntu 64bit UEFI Image with the CSM Disable setting, I have two entries in the boot menu. These two entries show the same name: Ubuntu:XXXXXXX. I can't find any difference between ...