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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HP envy 15, Boot from usb

I'm trying to boot a live usb from an HP envy 15 but I can' seem to do it. I have already entered the bios setup, disabled secure boot, enabled legacy support. But, the bios sasys that when legacy ...
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0answers
11 views

Need help installing on an odd Win8/Android pc

I was given a Windows 8/Android tablet that will not boot properly. If it tries to boot into windows I get a CRITICAL_PROCESS_DIED error every time. There is no option to boot into Android. I want ...
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1answer
34 views

Complications With Dual Boot Of Ubuntu and Windows 8 UEFI

I have been all over the entire askubuntu.com trying to find a solution to my present issue but none has brought any joy, so I gave up and just had to post this. I have an HP Envy M6 pre-installed ...
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2answers
48 views

Windows is protecting himself

I have installed Ubuntu 14.04.1 LTS. It is dualbooting alongside with windows 8. The computer is a VAIO SVE151G17M and they are booting from the EFI partition. Now the problem: When I start my ...
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1answer
108 views

'Windows boot manager' option on Grub

I wanted to try ubuntu on my laptop without installing it, so I thought that installing the “ubuntu CD boot helper” would be useful; I installed it on windows 8 and, after that, everytime I turned the ...
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1answer
34 views

Dual boot pc boots directly to ubuntu instead of showing grub menu

I installed windows 8.1 on my new laptop (which came with freedos), I later tried to dual boot the pc with ubuntu 14.04 (with legacy mode). I didn't get an option to install alongside windows 8 so I ...
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0answers
40 views

Boot repair error: Ubuntu not bootable even after reinstall

After resetting my bios to its default settings, Ubuntu was unable to boot. Only the UEFI-partition would show up when hitting f12 with no other boot options. I reinstalled Ubuntu several times but to ...
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1answer
18 views

No boot after reseting bios to default, Ubuntu partition gone

I set my bios to their default settings in order to try and boot a Lubuntu Live-cd but something I didn't consider is that it would wipe out my Ubuntu boot-entries. The only option I have now is an ...
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1answer
49 views

Fail to run *ubuntu

my wife asked me to install Ubuntu on her HP Pavilion 11 x360 (which came with Windows 8.1), after she saw how well it works on my laptop and how little she likes Windows 8.1. Feeling confident after ...
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1answer
65 views

Can't restore Windows 8 after installing xubuntu 14.04

Got a new Lenovo G710 with Windows 8 on it. Followed the directions to install Xubuntu. Now I have a boot loader menu, but when I select the Windows item in it, Windows fails to boot. I read about ...
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1answer
35 views

Installing Windows 8 UEFI alongside Ubuntu 14.04 [closed]

So I purchased my Asus S300CA vivobook and erased and installed Ubuntu. The Win 8 CD key is embedded in the motherboard, so my question is: What do I have to do to get a dual boot going? There aren't ...
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2answers
47 views

Ubuntu 14 / Win 8.1 Install Problem

I'm trying to return to Ubuntu on a new(er) computer after I had to switch to Mint on my old machine due to performance issues. The new machine is an HP pavillion G4 w/ 4gp memory and a 500GB HD. I ...
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1answer
19 views

installing ubuntu in uefi will increase boot speed?

i came to know that uefi botting mode gives faster boots. so tell me weather ubuntu supports it ? if yes then how to install or enable uefi mode in ubuntu ? i have tried enabling uefi mode from ...
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3answers
67 views

Make Windows the default boot option in an UEFI enabled system

I have admin rights on my Windows desktop, and I want to install Ubuntu on it, as I use Ubuntu on my desktop. However, I don't want any menu asking to select Ubuntu or something else or that it boots ...
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0answers
17 views

Ubuntu doesn't see windows 8.1

Wy Ubuntu 14.04 live cd doesn't see the Windows 8.1 installation. Gparted doesn't see disk with windows /dev/sda contains GPT signatures, indicating that it has a GPT table. However, it does not have ...
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0answers
39 views

No UEFI boot option after install

I got a new laptop (Medion Akoya 6240T) and wanted to install ubuntu 14.04.1 on it. I created a bootable usb drive with unetbootin on windows 8. Stuff I did before the install: - Disable secure ...
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0answers
26 views

Dual Booting (rEFInd)

I am new to dual booting on my own. I successfully dual booted Ubuntu 14.04 (via live usb) and Windows 8.1 on a UEFI system I have attempted to replace grub2 with refind. I installed rEFInd via ...
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0answers
22 views

Ubuntu partitioning and dual boot install on Lenovo IdeaCentre Q190

I just purchased a Lenovo IdeaCentre Q190, which has secure boot and uefi. I have minimized the Windows 8 partition to 100 GB. What I need to know is: 1) Should I move the free space to the end of the ...
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2answers
58 views

How to, finally, get Ubuntu to boot on a mac from external USB storage?

I wish to run Ubuntu on my iMac from external USB storage, either an external disk or a flash drive. I can easily create a bootable USB stick and use that to install Ubuntu 14.04 onto a properly ...
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0answers
60 views

BIOS not recognizing hard drives

For starters, I have this laptop: http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3184129 "ASUS G75VW-DS71 Laptop Computer - 3rd generation Intel Core i7-3610QM 2.3GHz, ...
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1answer
65 views

Switching an already installed Ubuntu 14.04 LTS from Legacy to UEFI Boot mode

I have a new Acer Aspire V3-572 with a pre-installed Windows 8.1. I tried to install Ubuntu 14.04 LTS alongside Windows in UEFI boot mode, however, the systems gives me the following message "System ...
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1answer
41 views

Damaged GRUB 2 in my laptop

I have a genuine Windows 8 pre-installed on my laptop. I installed the Ubuntu in UEFI mode, using a live CD, but now the GRUB doesn't show, hence,not allowing me to boot to windows if I want to. It ...
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1answer
55 views

How to restore Windows 8.1 boot after installing Ubuntu on flash drive

System: Dell XPS 8700 running Windows 8.1 using secure boot and UEFI. Boot Info Summary: http://paste.ubuntu.com/8340337/ I installed Ubuntu on a USB flash drive using the Live CD version. My goal ...
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1answer
74 views

Ubuntu installation confusion

I need to know what are the things that are required to successfully install Ubuntu on my PC alongside Windows 8.1. I want to install Ubuntu alongside Windows 8.1 but every forum/site mentions ...
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0answers
73 views

Install grub in separate boot partition (dual boot)

I have both Windows 8.1 and Ubuntu 14.04 installed on UEFI mode (of course, dual boot). I have used bcdedit under windows 8.1 to set grub 2 as the default boot loader: bcdedit /set {bootmgr} path ...
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0answers
17 views

Will there be an update to Ubuntu for enabling it to easily install alongside Windows 8.1? [duplicate]

Will there be an update to Ubuntu for enabling it to easily install alongside Windows 8.1? I have seen the various options to play with the restrictions made by UEFI and install Ubuntu through the ...
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2answers
65 views

How Can I Get GRUB to Work After Restoring Deleted EFI Partition?

First time posting here for help. So Friday night I was playing around with GParted and accidentally deleted several partitions. One of the was an unnamed. After doing this, I restarted and I was ...
1
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1answer
55 views

Can't Boot into either Windows or Ubuntu

History I first installed Windows 8.1 and left around 60GBs Unallocated. Then I tried installing Ubuntu with a USB, but the partition table I had made did not show up. I then tweaked some settings in ...
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2answers
81 views

Why doesn't live USB work in non-UEFI mode?

I have Windows 7 64 bit installed on one partition (the rest of the disk is unallocated). I made a live USB with the latest official Kubuntu 14.04 64 bit ISO. When I boot, there are two USB options: ...
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1answer
78 views

Grub doesn't detect my windows 7

It is my first time installing Ubuntu (14.04). I have Windows 7 installed on my first HDD, and installed ubuntu on my second one. To install I followed the instructions on this website: ...
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0answers
73 views

Zotac Zbox EN760 Won't Boot from USB

I wanted to install Ubuntu 14.04.1 on my Zotac Zbox EN760. It is using legacy boot, as both the "Win7 uEFI" and "Win8 uEFI" don't get past the purple screen (don't know the official name, the one with ...
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1answer
75 views

Dual Boot / Grub 2 issues (Ubuntu/Windows)

TLDR Version: Problems with Grub2. Boots straight into Grub terminal. I get some "failure reading sector errors" (details below). I've tried running boot repair several times, with a few different ...
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0answers
72 views

How do I correct boot problems with installation on a UEFI Windows 8.1 system?

I have semi-successfully installed Uberstudent 4.0 on a UEFI Windows 8.1 system, but I need help correcting whatever error I have made. (I assume I have made an error somewhere, since I had to take ...
2
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1answer
95 views

Ubuntu / Windows 7/8 boot issue

I installed a dual boot Windows 7/8 on my laptop and now I also added a Ubuntu 14.04.1. To install Ubuntu I did an efi partition on sda1, a swap partition (sda6) and root (sda7) After the ...
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2answers
263 views

Ubuntu 14.04 LTS Install Issues

// Update: I have had no luck in this issue, and have posted a secondary question here. The first thing I have done (before posting this questions, was read the guide located on AskUbuntu. This was a ...
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2answers
71 views

Windows not detected. OS fails to boot

I have seen very similar topics and some solutions throughout the website. But I think none of the questions are asked along with enough details. So here I go. I wanted to Install Ubuntu 14.04.1 LTS ...
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3answers
208 views

An Ubuntu command bricked my sytem?

I freshly installed Ubuntu on my computer a few days ago to run an exclusive program. I finished with it, and I was about to format the drive to reinstall Windows. However, my little brother wanted to ...
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0answers
62 views

Ubuntu 14.04 on Macbook Air 6,1 nr_cpus=1

After I installed Ubuntu 14.04 along side OSX with refind, selecting Ubuntu (or previously Xubuntu), then Ubuntu from the Grub menu just gives a purple screen. I changed the Grub config from "quiet ...
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3answers
55 views

BootOrder in efibootmgr does not show OS-specific options

How can I set Ubuntu/GRUB as the active default boot option? My computer automatically boots to Windows. Here is image of the efibootmgr output: I'm running HP Envy dv6 with Intel Core i7 and I ...
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0answers
35 views

Can not access BIOS after Ubuntu UEFI Installation!

I recently installed Ubuntu 14.04 in my Fujitsu AH532 laptop. It was just working fine before the installation. But when I planned to install Windows 8.1, I could not access the boot menu or BIOS ...
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0answers
130 views

Dual Boot Windows 8.1 and Ubuntu 14.04 no GRUB appearing going directly to WIndows

I was trying with my friend to Install Ubuntu 14.04 In Dual Boot Mode With Windows 8.1 UEFI in my new Toshiba laptop. The installation of Ubuntu was finished successfully. However when I rebooted ...
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1answer
47 views

Inability to Install Ubuntu 14.04LTS

Okay, Microsoft has been giving such a headache with this. I am attempting to Dual-boot Ubuntu 14.04LTS onto my HP Envy Touchsmart, model 4-1105dx. I created the partition (I have a GPT-kind ...
1
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1answer
408 views

UEFI: Catch-22 on a acer aspire v5-531

I was trying to install Ubuntu 14 (64-bit) on a Aspire V5-531, preinstalled Win 8. In the bios I can flag: boot mode UEFI, secure boot DISABLE in this case the neither installation USB card nor cd ...
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0answers
36 views

Can't boot from Windows 8 to Ubuntu error in file \EFI\ubuntu\grubx64.efi

First of all I had a pre-installed windows 8 on my laptop device (Toshiba) then I wanted to install Ubuntu linux alongside with windows 8. I installed it regularly then I had a problem that I couldn't ...
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0answers
54 views

How to create a bios update usb? (Toshiba NB10t series)

After a few days struggle with installing ubuntu and trying to make it boot, I have discovered that Toshiba has made an update for their buggy UEFI fifirmware ...
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0answers
20 views

Boot problem with Ubuntu 14.04 in Samsung RV411 notebook [duplicate]

I installed Ubuntu 14.04 on my Samsung RV411 notebook on a partition in parallel with my Windows 7 Starter (crap), but I can't boot it. Windows 7 automatically starts and the option to choose another ...
0
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1answer
245 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 ...
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0answers
70 views

Dual-Boot (General boot) messed up! Can't enter windows 8.1 (BCD error)

I'm kind of freaked out right now, but i will try to explain what happened as good as I can. English is not my first language, so please excuse any grammar or writing errors I'm asking here on ...
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0answers
68 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 ...
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0answers
170 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 ...