Tagged Questions

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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13 views

How to migrate Ubuntu and Windows from Legacy boot to UEFI boot?

I had installed Ubuntu and Windows(an ext4 partition and an NTFS partition for each) in the LEGACY boot mode,not knowing what difference it would make if I installed in UEFI instead.But I have been ...
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0answers
8 views

How to install dual-boot Ubuntu on ASUS F202E Notebook

Have an almost 2-year old ASUS F202E notebook that came with Windows 8 and subsequently upgraded to Win 8.1.Since new, it has been a dog. 2GB of non-upgradable memory is nowhere near enough to run ...
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1answer
27 views

Step by step instructions on how to remove grub2 or mount the EFI partition and delete files (UEFI)

everyone very sorry if this is a duplicate question however I cannot seem to get the instructions on other questions to work. I have been trying to uninstall grub and Ubuntu. I have looked at a lot of ...
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22 views

Is it mandatory to make a new EFI partition during Ubuntu UEFI install?

I am installing alongside windows 8.1. Windows already has an EFI partition. Can Ubuntu add its files into the same partition(without corrupting the windows boot loader) or it needs to add another EFI ...
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1answer
23 views

Boot Ubuntu on Windows 8.1 Laptop

I can't boot Ubuntu from my USB FLASH DRIVE from my Sony Vaio Laptop (Windows 8.1) UEFI What's wrong with my laptop ?
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1answer
36 views

After downloading Ubuntu installer, it asked me to reboot for install. It shut down and seemingly rebooted into a black screen!

So for my recent project I decided to install Linux Ubuntu on a separate 60GB SSD to dual boot with Windows 8.1. Once I went on the official Ubuntu website and downloaded the free version of Ubuntu I ...
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1answer
36 views

Acer Laptop Hangs at Ubuntu Installation

I have bought an acer aspire e11 es1-111m-c064. I've tried installing ubuntu 12.04 with a liveusb. I've managed to get through the installation first time. Restarted and it didnt boot in fact asked ...
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0answers
24 views

Cannot boot Linux on W.1 comp - other answers not working

I am having issues booting Linux (I've tried arch, ubuntu, elementary OS, and CentOS) on my 2014 HP Envy Windows 8.1 computer. I have found that many other people have had the same issues. It won't ...
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0answers
880 views

Searching for a prettier boot loader for my UEFI system

I've currently got UEFI Ubuntu 14 and Windows 8.1 working together with GRUB 2. However, I hate the way it looks, especially when compared to something like this: ...
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0answers
35 views

Problems dualbooting Ubuntu and windows

i wish to dual boot ubuntu 14.04 with windows 10 technical preview and i get this error when installing ubuntu ==>>/dev/sda contains GPT signatures, indicating that it has a GPT table. However, it ...
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1answer
46 views

how to permanantly change boot order in UEFI os manger list?

how to change the boot order in a UEFI-based dual windows/ubuntu install , usually UEFI system boots directly to windows (I experienced this with HP 15) although i made a lot of changes to make it ...
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27 views

Installing Ubuntu 14.04 on UEFI Dell Laptop 3446 Vostro

My configuration : Dell Vostro 3446 , 4GB RAM , 500 GB Hard Disk (Preinstalled Ubuntu 12.04). I want to freshly install/update to Ubuntu 14.04 on my Laptop but I recently read thatmy laptop might ...
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1answer
186 views

Ubuntu on Asus X205TA

I want to install Ubuntu on my new netbook Asus X205TA. I try to create a USB stick with Unebootin but not succes for boot on. Thanks for your help
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0answers
31 views

Dual boot Win8 and Ubuntu with Ubuntu on mSATA SSD

I have searched the web like a maniac in order to find some answers to these questions, so please help me here... If you only now the answer to one of the questions please post that answer! So here ...
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0answers
119 views

Ubuntu on an Asus X205 Subnotebook?

Anybody succeed in loading Ubuntu on the new Asus X205 subnotebook? I am not certain if the UEFI is 32 bits or 64 bits.
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0answers
14 views

EFI Partition for manual partitioning during installation of 14.04 Kubuntu

I have a USB of 64-bit kubuntu 14.04 and I have created unallocated space on my hard drive that is currently running windows 8 with UEFI. It was pre-installed. I can get as far as loading the live ...
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0answers
79 views

Ubuntu and Windows 8.1 - Dual Boot

I installed Ubuntu a few days ago because I want to start using Linux more often instead of windows. I got it successfully installed so I restarted my computer. Then it opens on Windows without the ...
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2answers
56 views

Ubuntu won't boot up properly (Toshiba Satellite P50)

So I recently switched out windows 8 for Ubuntu on my Toshiba laptop. I installed it from my usb and everything went fine. Ubuntu was on my comp and I stupidly spent a few hours personalizing it and ...
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0answers
24 views

Ubuntu wont start from windows bootloader but it does as a device

When I am in Windows 8 and shift-click Restart, then click Devices, I am able to launch Ubuntu from there. But when I click something close to "start other os", then Ubuntu, I get something close to ...
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1answer
43 views

Installing Ubuntu 14.04 on 1TB HDD - partitions capacity

My machine is lenovo g580 (20150) 8GB ram I have 1 TB hard drive in it, and becouse i have never used any distribution of linux, i don't know what should be my partitions capacity (/, /Home, /Swap I ...
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0answers
55 views

Installing ubuntu 14.04 alongside windows 8.1, error while repairing boot

and thanks for any attention you give to my question... I have gateway NE-522... I'm trying to install ubuntu 14.04 alongside windows 8.1 (preinstalled) following the instructions posted here. I get ...
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1answer
42 views

'No boot disk has been detected or the disk has failed' after using Boot-Repair no dual-boot

I just installed ubuntu-14.04.1-desktop-amd64 on a desktop computer. I get the 'No boot disk has been detected or the disk has failed' when booting. The only way to boot Ubuntu is to go the BIOS ...
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1answer
61 views

UEFI machine doesn't boot Ubuntu through NVRAM bootcatalog. How to fix?

An answer posted here should: Avoid to require the user to download and install additional packages or PPAs. Be as quick and simple as possbile. (I tried boot-repair and it didn't ...
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0answers
18 views

Not advanced user | Unable to install ubuntu with hard-coded pre-installed windows 8 Vaio machine

![enter image description here][1]I would like to inform that i have spent the last few days trying to fix the boot issue for my Vaio SVE-14126CA but in vain. My machine has a pre-installed OEM ...
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0answers
60 views

HP windows 8 preinstalled and ubuntu 14.10

i'm trying to make a dual-boot n my HP ENVY 4 with windows 8 presintalled and ubuntu 14.10, Actually i have partition my disk like that : /dev/sda1 , ntfs, WINRE, /dev/sda2, fat32, /boot/efi, ...
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1answer
452 views

How to enter BIOS on UEFI capable Lenovo Z50? (Novo button) [closed]

I have a Lenovo Z50 machine that came with Windows 8.1 pre-installed. I booted into Ubuntu 14.10 64-bit from a DVD using the "Change Advanced Startup Options" (or similar) option from within Windows ...
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0answers
26 views

GRUB Removal UEFI

I have a UEFI Windows 8 laptop. I had installed Ubuntu on it. I later removed Ubuntu by deleting Ubuntu partitions from Disk Manager in Windows 8.1. But the GRUB has still not been deleted. I had to ...
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2answers
80 views

Opening Kubuntu DVD in Windows (EFI) gives message “Wubi doesn´t currently support EFI”

After downloading an iso-image for Kubuntu 14.10 and then burning it to a DVD. When I then tried to open it I get this message: What to do ? Can anyone please help.
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1answer
93 views

No bootable device error message on UEFI after installation

I have a new Acer Aspire E13 (ES1-311-P1D5) notebook. I tried to install Ubuntu 14.10 with disabled Secure Boot but enabled UEFI. After the installation I couldn't bot. I just got "No Bootable ...
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0answers
65 views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
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0answers
11 views

Reinstalling grub changes the grub.cfg but not the actual GPT/MBR

The problem in short is: I have two Ubuntu 14 installed. After installing the second Ubuntu I am only able to modify the grub from it. I use the first as main and I frequently update the kernel which ...
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1answer
40 views

problem on dual boot ubuntu 14.04.1 alongside windows 7

I have lenovo e530(core i5). when I want to install ubuntu alongside windows 7(ultimate), in the menu i select install alongside, the continue change to restart to continue and when I press it, my ...
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0answers
27 views

Windows 8.1 won't install

So, I downloaded 14.04.1 - recommended for most users - and it won't install on my "Windows 8.1 with Bing", not even the test run. Got the UUI as recommended, got my USB flashdrive with a bootable ...
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1answer
97 views

Dual boot Windows 8.1 Ubuntu EFI GPT: rEFInd won't start automatically

My machine is an HP DM1-4341sa netbook which came with Windows 8. I've since wiped the disk, changed the disk type to GPT and clean installed Windows 8.1 from ISO, leaving space at the end of the ...
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0answers
32 views

Problems with installing OS on ASUS M32AD (UEFI capable) [migrated]

I have a brand new ASUS M32AD desktop computer. It came with Windows 7 Home Premium installed. After the initial configuration of Windows and some updates completed, I tried to upgrade to Windows 7 ...
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0answers
12 views

Ubuntu signed Grub do not prefix tftp-root directory for tftp requests

$ lsb_release -rd Description: Ubuntu 14.04.1 LTS Release: 14.04 dpkg -l grub-efi-amd64-signed Desired=Unknown/Install/Remove/Purge/Hold | ...
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0answers
50 views

Problems installing ubuntu on HP Elitebook 840

I tried installing ubuntu on my HP Elitebook 840 but I am encountering some problems. First of all, i can load ubuntu from a DVD just fine and installing, at the first couple of tries, went without a ...
1
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1answer
47 views

Dual boot : Not able to boot in to Ubuntu [closed]

I have installed ubuntu 13.10 after installing windows 8.1 on my sony vaio laptop . When i turn on pc windows 8.1 is booting by default,It is not showing any grub menu to choose between ubuntu and ...
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0answers
34 views

Ubuntu Installer does not recognize existing partitions

History of my laptop: Acer E1-572 with Windows 8.1 preinstalled. I then dual booted with ubuntu without any problems. Then I came across a booting problem which I resolved by reinstalling ubuntu over ...
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0answers
29 views

MacBook Pro 1,1 Not Detecting Grub?

I just installed Ubuntu 14.10 on my MacBookPro 1,1. The installation went okay, however GRUB does not work. It's not even detected. I can not bless the Linux disc due to a wiping of OSX. I do not ...
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0answers
82 views

Ubuntu won't boot after install on ssd

Last week I bought new Acer Laptop which came with a pre-installed Windows 8.1. I replaced the factory 500GB HDD for a Crucial MX100 256GB SSD, after which I used a bootable USB device to install ...
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0answers
18 views

Laptop boots to grub prompt (not rescue) on boot

I have an Asus X502C laptop running Windows 8.1 64 bit and Ubuntu 14.04 64 Bit. The settings I used for the install (in bios) were: Secure Boot: Off, UEFI mode: On. I created a 31.5 GB partition in ...
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1answer
34 views

How Do I Install Ubuntu 14.04 on Toshiba Portege z935 Using Something Else?

How do I Install Ubuntu 14.04 on Toshiba Portege z935 Using Something Else?
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1answer
81 views

Is it possible to install Linux as a standalone OS with a UEFI system that came preinstalled with Windows 8?

I've tried installing Ubuntu several times as a standalone OS on my Toshiba Portege z935 which has a UEFI Bios and came pre-installed with windows 8 and it does not work. Is it really only possible to ...
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1answer
33 views

Can linux-lowlatency be used with UEFI secure boot?

I am using the linux-lowlatency package as my main kernel (as the generic kernel produces horrible lags while playing audio to my bluetooth speakers). I regularly find that my /boot partition is ...
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1answer
196 views

Can't boot into UBUNTU, after Yosemite install

I have posted on here as a last resort as I have searched for a solution and haven't been able to find one. I recently installed OS X Yosemite on my mac. Since then I have not been able to gain ...
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0answers
75 views

rEFInd on dual boot with windows 8.1 on UEFI

After a fair bit of trouble I got linux (actually its mint - hope I'm not breaking the rules) installed alongside windows 8.1. When I switch on the laptop (Dell XPS 15 9530) I get a grub manager with ...
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0answers
22 views

Cannot find ubuntu on grub after installation

So I want to have dual boot in my laptop that already has Windows 8. Installation was successful, but Windows 8 didn't appear on grub. it had some error with /endentire. With some work around that I ...
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1answer
82 views

Restore EFI System Partition to state before installing Ubuntu

I found this thread that says how to delete GRUB2 Uninstalling GRUB from UEFI laptop But I'm not sure if it applies to me or if I'm doing the things correctly, I'll attach a few screenshots about the ...
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0answers
77 views

Uninstall GRUB2 from Windows 8.1 pre-installed PC

So, I've read in numerous sites that after uninstalling Ubuntu (I have Ubuntu 14.04) I have to restore my EFI partition or something like that, however these fixes seem to be for MBR formatting, my ...