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
54 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
votes
1answer
31 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 ...
1
vote
2answers
234 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' ...
0
votes
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?
1
vote
1answer
243 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 ...
0
votes
0answers
55 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 ...
1
vote
1answer
128 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 ...
0
votes
2answers
66 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. ...
0
votes
0answers
118 views

Unable to repair GRUB with Boot Repair

I installed Ubuntu on my laptop, which came with Win 8.1 preinstalled, with UEFI of course. So, I disabled secure boot and I installed without much interruption, but I realized that I could only boot ...
0
votes
0answers
52 views

Dual Booting Ubuntu 14.04 from Windows 8 Issues NO ANSWER ANYWHERE [duplicate]

I'm having so many issues installing booting Ubuntu 14.04 on a machine that I installed Windows 8.1 on first. I created a bootable USB drive, went through the Ubuntu installation setup, and then when ...
1
vote
1answer
116 views

ubuntu will not boot from hard drive after installation

I made a live DVD with Ubuntu 14.04 for a new Toshiba laptop, Satellite C55-B5200. First I found that ubuntu booted easily, though slowly, from DVD. Then I selected installation from the grub menu ...
-1
votes
2answers
61 views

Is it safe to install ubuntu in legacy mode?

I think i installed windows with UEFI but either way i want windows gone. I am currently using ubuntu 14.04 LTS from a live usb. When I try to boot in UEFI mode I get a black screen and when I hit ...
0
votes
1answer
145 views

Can not boot Windows on Legacy BIOS after installing Ubuntu on UEFI [duplicate]

Long story short, I installed ubuntu while I was watching netflix and feeling very lazy, and may have lost all my windows 7 files. Quick summary: -Windows 7 was installed on Legacy bios and I ...
0
votes
0answers
67 views

No boot option after installing Ubuntu

I just got a new ASUS laptop with Windows 8 preinstalled. When I installed Ubuntu, everything went smoothly but when I restarted it, it booted into Windows. I checked the boot options in the UEFI BIOS ...
0
votes
2answers
609 views

Ubuntu 14.04 Windows 8.1 Grub Crashes Install

I've been trying for days to get Ubuntu 14.04 dual booted on my Windows 8 preinstalled laptop with UEFI. My laptop is a Dell Inspiron 15R 5537. I followed a tutorial that had me disable fast start ...
0
votes
1answer
70 views

Installing EFI to Raid 1 using partman and seed file, on both drives

So my question is, Is it possible to install the EFI partition onto both drives when doing a seed install on Ubuntu? That way if one drive goes, the relevant efi partition/data is there on the second ...
0
votes
2answers
142 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 ...
0
votes
1answer
46 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 ...
3
votes
6answers
401 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 ...
2
votes
2answers
73 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 ...
1
vote
1answer
73 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: ...
1
vote
2answers
250 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 ...
1
vote
3answers
715 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 ...
0
votes
0answers
30 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. ...
0
votes
1answer
44 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 ...
0
votes
2answers
76 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 ...
1
vote
0answers
60 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 ...
0
votes
0answers
106 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
vote
1answer
139 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 "???" ...
0
votes
0answers
471 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 ...
0
votes
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 ...
0
votes
2answers
54 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 ...
0
votes
1answer
84 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 ...
0
votes
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
votes
1answer
97 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
votes
0answers
152 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 ...
1
vote
2answers
123 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 ...
1
vote
1answer
57 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
vote
3answers
78 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 ...
0
votes
0answers
23 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 ...
1
vote
1answer
122 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 ...
0
votes
0answers
17 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
votes
1answer
51 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
votes
1answer
220 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. ...
1
vote
2answers
70 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 ...
-1
votes
1answer
100 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
vote
4answers
370 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
vote
0answers
164 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
vote
1answer
67 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
votes
0answers
25 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 ...