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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222 views

Dual Boot Windows 8 - Ubuntu 14 : GPT destruction with GDISK, computer no more starts

I just bought a new ASUS computer with WINDOWS 8 pre-installed (so UEFI and secure boot activated) and it is no more working since I did a mistake with GDISK: I wanted to install UBUNTU alongside ...
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1answer
68 views

BIOS Corrupted After A Failed Suspension

Currently typing from a friend's Wii. My HP 2000-299WM laptop stalled while suspending one night, so I forced it to shutdown with the power button. Now, initial HP splash screen is blank, and leads ...
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6answers
2k views

EFI Dual Boot Windows 8.1 and Ubuntu 14.04

I have installed Ubuntu 14.04 LTS in a dual-boot config with Windows 8.1 following the tutorial: http://ubuntuforums.org/showthread.php?t=2227580 (I added an ext4 /home partition.) Even after step ...
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2answers
107 views

What filesystem should /boot be?

I recently decided to set up my custom built system to be Linux only and I manually set up /boot, /, and swap partitions with /boot and / being ext4 filesystem types. Upon completing installation of ...
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1answer
128 views

Boot-repair: “You have to give the partition where EFI files are located.”

I'm using the 64 bit ISO of Boot-repair to deal with UEFI. I followed Boot repair asking for 64 bit iso - what do I do with it? and I was able to do almost everything in it. I'm stumped at this point: ...
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2answers
2k views

Is disabing Secure Boot needed for Ubuntu 14.04 dual-boot with Windows 8 UEFI

I've read some guides on dual-booting Ubuntu and Windows 8, but all of the guides I have read are about older versions of Ubuntu. They recommend disabling Secure Boot because there is a bug in the ...
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3answers
3k views

Dual boot Install of Trusty Ubuntu on an HP with Windows 8 (64 bit) pre-installed (UEFI supported)

Yes, I have read, many times, "Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)," and I have read the "UEFI" piece with the subtitle "Installing Ubuntu Quickly and ...
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0answers
52 views

Xubuntu install CONSISTENTLY fails on UEFI systems

Today I installed Xubuntu 14.04 on a 5th laptop. This laptop had UEFI enabled by default. So far I have installed Xubuntu 13.10 and 14.04 on about 10 different laptops, all of which had UEFI enabled. ...
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1answer
91 views

How do I boot into a uefi usb drive?

This is odd... I am currently trying to install windows 7 onto a usb install disk but nothing seems to work so far I have tried Unetbooten winUSB (Grub install failed: Does not look like efi ...
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2answers
259 views

Is my windows booting in UEFI Mode or Legacy Mode?

I want to Install Ubuntu beside Win8 (by this guide),but I don't know if my windows booting in UEFI Mode or Legacy Mode(and it's important to this guid(in the "DUAL BOOT ISSUES" subtitle). so.. how do ...
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0answers
81 views

Mac with NO internal hard Drive/brokenEfi and ubuntu

a few years ago I got an old Mac (2009 version). I tried to fix it but I gave up after days of workimg. Last week i tried it once again. It seems that there is no (totally broken, I dont know) Hardd ...
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0answers
172 views

Why do I have duplicate “ubuntu” entries in my boot loader menu?

When I enter my boot menu, I see two entries labeled "[ubuntu]" that load exactly the same operating system. The recovery entry is also missing. I ran Boot Info Script, which typically covers ...
1
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1answer
360 views

Two partition tables are unrecognized

While trying to installing Ubuntu 14.04 as my sole operating system, I've been encountering a number of issues (Described in more depth at Ubuntu 14.04 installation crashes with "???" ...
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0answers
2k views

Make a portable Ubuntu on a USB stick (bootable on Macbook/iMac)

I have a Macbook Pro 8,1 (early 2011 model). My goal is to have Ubuntu installed onto a USB stick what I can plug into any Macbook / iMac (also potentially any pc) and use Ubuntu anywhere. Here is ...
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0answers
20 views

Error while installing windows 8 along xubuntu on uefi [duplicate]

I was installing installing xubuntu when I accidentally deleted my pre-installed windows 8. To reinstall windows 8 I changed the boot mode to CSM (as windows doesnt show up in efi menu). On clicking ...
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2answers
101 views

Installed more ram /boot/efi not found… How to fix?

So, I just installed more RAM. Now I can't boot (properly) into xubuntu. When booting I'm greeted with something along the lines of "Failed to load /boot/efi, press S to continue or press M to ...
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1answer
170 views

HP ProBook 4740s - Win8 OEM + Ubuntu 14.04

Is it even possible to install Ubuntu 14.04 alongside Win8 OEM on this laptop? When I set UEFI hybrid and disable SafeBoot I'am able to boot from DVD with Ubuntu, and install, but I haven't found a ...
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0answers
19 views

Dual Booting Windows 8.1 and Ubuntu 12.04 [duplicate]

I got the dual boot to work well for about 2 months, but am now getting an EFI error "Inability to find 'drivemap'" on the windows side. Any ideas on how to fix this?
2
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1answer
175 views

Need help with Dual boot Win 8.1 & Ubuntu 14.04 on HP Envy j112 tx Notebook [duplicate]

I bought a new HP notebook with pre-installed Win 8.1. I am trying to dual boot it with Ubuntu 14.04. I have followed the usual steps, and installed Ubuntu on my system. However, when I boot the ...
0
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1answer
277 views

Installing Ubuntu on Lenovo IdeaTab Lynx K3011

This is my first forum post. I recently purchased a Lenovo IdeaTab Lynx K3011 equipped from the factory with Windows 8. I have been using Ubuntu for years and want to install Ubuntu Desktop 14.04 on ...
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2answers
365 views

Explaination of my “efibootmgr -v” output

I am trying to ascertain where the EFI boot records are located on my Lenovo U41o by using the command sudo efibootmgr -v. Can someone explain it to me? $ sudo efibootmgr -v BootCurrent: 0008 ...
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1answer
80 views

Grub menu not showing after exiting BIOS

So I've dual booted Windows 8.1 and Ubuntu 14.04 on a UEFI system. So far I've been able to switch OSs from the grub menu at the boot screen, which shows entries for both. Recently, I tried to run ...
1
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3answers
96 views

how can I install ubuntu on dell inspirion 15z

I am trying to install ubuntu 14 on a dell inspirion 15z with intel chip. The machine came preloaded with windows 8. I want to wipe windows out and run only ubuntu. When I try to install the ...
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0answers
35 views

Can't specify needed GRUB file location partition in boor-repair when using “Advanced options”

I had a laptop with pre-installed Windows 8 with UEFI. Then I installed Ubuntu 14. Now I'm fighting with GRUB file to get an opportunity to chose whether it's Windows or Ubuntu is ran after laptop ...
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1answer
163 views

Installing single OS Ubuntu 14.04 in EFI mode

I installed Ubuntu 14.04 on a Tohiba laptop from a iso image written to USB. The original OS was Windows 8, but when I was installing the Ubuntu, it said that no OS is detected. I did not care, as I ...
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0answers
21 views

efibootmgr numbering

I was wondering if there is any way to modify the actual number of efi bootmgr entries. For example: If I have something like this: ..................................... Boot0002* Ubuntu ...
0
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1answer
64 views

Windows 8 not available in GRUB

I tried to install Ubuntu next to windows 8 (because I really don't like windows 8) but ubuntu lacks some of the things I need that I had on windows 8 for a class I am taking right now. Ubuntu is ...
0
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1answer
680 views

Can I install Ubuntu 14.04 on Sony VAIO computers with UEFI?

I have a Sony VAIO SVF14213CLB laptop, with a Core i3 64-bit processor. This computer has UEFI security, and I want to install Ubuntu 14.04. I want to know if the hardware is compatible with Ubuntu. ...
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2answers
88 views

Could not boot Ubuntu alongside Windows 8

[I'm a beginner to Linux] Hi I installed Ubuntu 14.04 alongside Windows 8 following instructions in here - http://www.everydaylinuxuser.com/2013/09/install-ubuntu-linux-alongside-windows.html Without ...
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votes
1answer
172 views

Cleaning Up Boot Details?? Dual Boot (UEFI) : Windows 8 & Ubuntu 12.04

Well, I don't know from where to begin with... I've a DELL Laptop(x64 Based Processor) with Windows 8 Pre-installed! I tried installing Ubuntu 12.04 on my system.(i don't know if it suports UEFI or ...
1
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4answers
930 views

Dual Boot Ubuntu 14.04 with Windows 7 on UEFI

I just built a new computer last week, and this weekend I got around to attempting to install Ubuntu 14.04 on it besides Windows 7. This is my first experience really using UEFI, so I was a little ...
1
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0answers
223 views

Problem cause when install/try ubuntu from USB; got squashfs errors on Dell Inspiron 11

It looks like Squashfs errors were prevalent in the past but I haven't seen much recently. I'm using a Dell Inspiron 11 3000 with Windows 8.1 pre-installed. I turned off fastboot, secure boot, still ...
1
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1answer
76 views

Problems recovering Ubuntu OR Reinstalling Ubuntu alongside Win8

I am trying to get linux back running on my laptop that has Win8. It used to run before I upgraded to Win8.1 but now, whenever I choose Linux in the boot menu it just returns some messages saying ...
0
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0answers
30 views

Building BURG images for EFI64

I'm trying to build BURG for EFI64, as no PPA contains BURG for EFI systems. I managed to build it in a local directory inside of my home, but now I don't know what to do. How do I generate all the ...
0
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1answer
172 views

Dual boot Windows 8 and Ubuntu 14.04 - Lost ability to boot from USB

Good Morning, I recently set up my Asus Windows 8.1 laptop to be a dual boot system with Ubuntu 14.04. I have successfully created a dual boot system using Grub2 as my bootloader. The problem is ...
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1answer
1k views

Dual boot Win 8 / Ubuntu loads only Win

my computer is a Sony Vaio Notebook. I used Ubuntu and Win 8 with dualboot but windows somehow managed to remove the choosing of the OS at startup. I think the bios is EFI and secureboot was disabled ...
0
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1answer
40 views

Failed to load GRUB

I have installed Ubuntu 13.04 using separate partitions with windows 8 already installed, grub didn't load so I used "Boot Repair" and did "Recommended Repair". Now while booting I get "FAILED TO LOAD ...
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0answers
22 views

Built my own computer and I have two OS's on one HDD… And can't access the original

On my computer I had originally installed Windows 8.1 and Ubuntu 14.04LTS . By purchasing a secondary hard drive to quarantine Ubuntu from Windows so it wouldn't affect my 1.82TiB Main HDD. I have ...
0
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1answer
315 views

uefi Unable to install 14.04 on new asus desktop

I just got a new asus m11ad-us0008o desktop with windows 7 and i am unable to get it to boot from the usb or dvd. I have tried everything i can think of: disabling secure boot, csm enabled and ...
0
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2answers
1k views

Dual boot Windows 7 UEFI Raid with Ubuntu 14.04 Grub2 Problem

I used the intel Raid 0 to raid SSD #1 and #2 on raid 0 for video editing work, everything was good.I installed windows 7 64bit on an asus x79 deluxe motherboard on these raid 0 two ssds using ...
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1answer
580 views

Installing Lubuntu 14.04 in UEFI

I have an Asus N56VZ. In the BIOS, UEFI is enabled. I am trying to dual boot Lubuntu 14.04 with preinstalled 64 bit Windows 7. I booted from a live-USB and there were two options, a normal USB boot ...
1
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1answer
2k views

Windows 8.1 not appearing in Grub2 after installing ubuntu 14.04

I have HP notebook which came with freeDOS (MBR partitioned with two primary partitions). I have installed Windows 8.1 in Legacy mode by creating another primary partition. Yes, in Legacy mode though ...
0
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1answer
3k views

Change boot order using efibootmgr

I recently installed Ubuntu 14.04 (First time linux user) on my HP Envy and have been trying to get the dual boot to work. I've looked around and have tried running the boot repair (here are the ...
1
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1answer
362 views

Installing Ubuntu 14:04 along site with 8.1 and UEFI. Can't enter secure boot

I've been trying to setup Ubuntu 14.04 (64bit) along with my Win 8.1 Desktop-PC. My Problem is, that I have UEFI instead of the normal BIOS. When I just install Ubuntu as I did very often on other ...
0
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2answers
1k views

Ubuntu 14.04 - after installation no bootloader, so Windows 7 starts

I have just installed Ubuntu 14.04 for the first time. There is also working Windows 7 on that PC. After the installation from Ubuntu 14.04 with an USB-Stick I clicked on "restart" and the system ...
0
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2answers
4k views

Ubuntu 14.04 install: grub-efi-amd64-signed failed to install into /target/

I'm trying to install Ubuntu 14.04 on a Dell Inspiron 7537, in dual-boot with Windows 8.1, with a UEFI system. After the creation of the new partitions, I've been able to install Ubuntu 14.04 without ...
1
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3answers
295 views

Installing Ubuntu on laptop without a preinstalled OS?

(I've looked around the site and found only a few questions that could potentially be relevant, most of them downvoted and unclear, or involving computers that previously had an OS. Sorry if this is ...
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2answers
234 views

Update Windows 8 broke my GRUB

Any update W8 broke my GRUB. Normally, the boot-repair all repaired, now can not cope. Details: http://paste.ubuntu.com/7612713/ Can you advise something?
0
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1answer
94 views

Grub does not see second operating system

I just installed Lubuntu 14.04 on a desktop computer. The Computer has two hard drives, one of them contains WindowsXP and one of them does contain Lubuntu. The idea is to have an offline XP and an ...
0
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1answer
105 views

Trying to update Asus BIOS

My UX31 zenbook is experiencing some weird shutdown behavior when the battery drops below 50% and the internet seems to agree that updating the BIOS is a good step forward since there were issue with ...