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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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 ...
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1answer
81 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 ...
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1answer
224 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 ...
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1answer
22 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 ...
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1answer
109 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 ...
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2answers
386 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 ...
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1answer
96 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 ...
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1answer
1k 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 ...
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0answers
34 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 ...
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1answer
185 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 ...
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0answers
91 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 ...
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2answers
257 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
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1answer
216 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
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1answer
130 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
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2answers
602 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 ...
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1answer
155 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 ...
1
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1answer
293 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 ...
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1answer
54 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 ...
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0answers
101 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 ...
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0answers
44 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 ...
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2answers
273 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 ...
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0answers
45 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 ...
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3answers
645 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 ...
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1answer
154 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 ...
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1answer
85 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 ...
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1answer
984 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 ...
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1answer
44 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
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1answer
39 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 ...
0
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1answer
87 views

How to make a portable Kubuntu on external drive (GPT) on UEFI computer?

The problem: after installation Kubuntu on external SSD (Transcend ESD400 512Gb) on UEFI computer I can't use it on another one. I made some attempts but all of them were unsuccessful. My computer: ...
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2answers
302 views

How to install on and boot from external SSD on UEFI?

I need an external SSD with Kubuntu to boot on different computers. So I created LiveCD, booted from it, plugged external SSD. With the help of GParted I converted the SSD to GPT and created ...
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2answers
622 views

Installing Ubuntu dual boot on Acer Aspire E1 522 Notebook

A few weeks ago I bought an Acer Aspire E1 522 Notebook with an AMD A6 quad-core processor. I wanted to install a dual boot with Ubuntu, but the Ubuntu installer did not give me the option to "Install ...
1
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1answer
275 views

How to remove Windows bootoption that results in 'wubildr.mbr'/0xc000007b error message?

At one point I tried to install Ubuntu onto my hard drive without a USB or a CD. It is a Windows 8 computer. It didn't work, so I eventually gave up and did it with a USB. Ubuntu works fine now, but ...
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2answers
490 views

14.04 does not boot after otherwise successful dual boot with windows 8.1

Have ASUS X551M Notebook PC. Boots Windows 8.1 Want to dual boot Ubuntu. Need clarification on Bios setup. What does "BIOS" add boot option really want when it says it wants a format of ...
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2answers
893 views

Configuring grub for Ubuntu on Lenovo Ideapad Flex 10

Situation I have installed Ubuntu Linux 14.04 on a Lenovo Ideapad Flex 10. The only problem I'm facing now is to configure the bootloader. I'm quite familiar with Ubuntu, but not with grub or ...
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0answers
13 views

Changing mode everynow and then to boot from my required os [duplicate]

I am using a dual boot windows 8.1 and ubuntu 14.04 laptop.The thing is if i use legacy mode at the start in bios setup,i only get ubuntu and if i use uefi mode i can use windows 8.1 alone.Do i have ...
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0answers
13 views

How to add the entry for Windows 8 to grub [duplicate]

Thanks for your time. I have ubuntu 12.04, and reinstalled windows 8 for a few exclusive programs that work with products I have bought. I reinstalled grub-efi on my UEFI system. Everything works ...
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3answers
223 views

Windows 8 and Ubuntu Dual Boot Issues

I know tons of people have issues dual booting Linux with Windows 8 machines because of all the UEFI garbage. In fact, I had a similar issue last year. After installing Windows 8 next to Ubuntu, I ...
0
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3answers
236 views

Issues installing Ubuntu 14.04 LTS

I have been trying for the past couple of days to install Ubuntu 14.04 LTS on my laptop. I have been having problems left and right, but I finally ran into one that I can't figure out. I put Ubuntu ...
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2answers
27 views

installation problem need help

so im about to install Ubuntu 14.04 and it pops up a mussage saying "The attempt to mount a file system with type vfat in SSI1(0,0,0),partition#1(sda)at/boot/efi failed" can someone help please?
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1answer
435 views

NUC DN2820FYKH ubuntu 14.04 UEFI

I have updated my BIOS to the latest version yesterday and since then the machine can't find bootable drive. I can boot using EFI console, but it doesn't play ball otherwise! I tried boot-repair but ...
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0answers
47 views

Dual booting problem

I have Lenovo z510 laptop and I installed Windows 8.1 on UEFI and Ubuntu 14.04 on Legacy Mode. So,i suffer from dual booting problem. Please, I want to manually choose between them at start up.
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2answers
755 views

Ubuntu 14.04 not booting after installation

I have a Vaio Pro and had Ubuntu 13.10 with EFI boot on it which worked fine until I did something wrong. What I did: reinstalled Ubuntu 14.04 run boot-repair create the ...
0
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1answer
85 views

I can't boot into windows: error: unknown command 'drivemap'; invalid EFI file path [duplicate]

I had Windows 8.1 alongside Ubuntu and all worked well. After a problem with my video configs I decided to unistall Ubuntu and I made a fatal mistake: deleted the Linux partition. After that I ...
0
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1answer
36 views

Boot into windows using grub1.99-21ubuntu3.14

I had a working grub menu list, till I activated express ssd on my ultrabook with both windows 8 and ubuntu 12.04 Now i get a screen showing the minimal CLI mode which Im clueless about. Did try ...
2
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2answers
563 views

''EFI boot partition'' and ''biosgrub'' partition

Why do I need these? I have installed Ubuntu under a non UEFI (master boot record) and have installed Ubuntu with no 'biosgrub' and it works fine, whereas other times I am asked to make a 'biosgrub' ...
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0answers
26 views

Why does System Monitor show two hard drives instead of one? [duplicate]

I had to reinstall Ubuntu twice; is it possible there is still some left behind data? I only have one hard drive, but System Monitor shows as if I have 2? What's with the second one?
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1answer
315 views

Windows 8.1 does not load while dual booting Ubuntu 14.04 LTS 07/19/2014

I am new to the Linux/Ubuntu world and I am interested in continuing, but from the beginning I am already having problems with dual booting a preinstalled Windows 8.1 with Ubuntu. I have a Lenovo ...
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0answers
88 views

Ubuntu 14.04 fails to live boot

Back story, skip I recently had a problem where my Windows 7 somehow shut down mid update. I almost never shut down my PC and Windows decided to update itself. Windows 7 was completely dead with no ...
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1answer
241 views

Removing fallback efi from refind

I've installed the latest refind to manage a ssd partitioned with OSX and Ubuntu. This has been working great and has been set up exactly how I wanted it until a recent dist-upgrade. For some reason ...
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2answers
79 views

How do I install Ubuntu Studio to its own hard drive on a UEFI system?

I have tried this many times over but I can't seem to get this to work for my situation. Basically, I used to work with Linux but now I just use it to edit videos and photos in Ubuntu Studio. ...