An operating system from the Windows NT family of operating systems from Microsoft, released in 2012 and the successor of Windows 7. Introduced UEFI as a replacement for legacy firmware/BIOS and required computer manufacturers to enable the "secure boot" feature.

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How to dual boot Ubuntu and Windows 8?

I have Windows 8 on my laptop. I need to install Ubuntu OS, but want both to be working fine. What steps to follow to ensure that?!
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how to dual boot windows and Ubuntu, using an MSATA for the new OS (ubuntu)

my situation is as follows. I have a laptop, with windows 8.1 on a 240gb SSD. only 25gb are available. I want to install Linux Ubuntu. my laptop has a 16gb MSATA installed. I want to put Linux ...
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2answers
32 views

Remove Grub menu after Dual Booting

I had dual booted my Acer Aspire V with Ubuntu 14 recently to try it out. I followed guides online on how to remove it from my computer. First I deleted the Ubuntu partitions then used a flash drive ...
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1answer
32 views

I accidentally deleted unity How do I reinstall it

I was on unity using the compiz config tool and I disabled unity. How do I get back? In unity I can't do control alt T or whatever the short cut for terminal is. I can't do those short cuts. I have ...
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3answers
76 views

Will dual booting windows 8.1 with Ubuntu affect the future Windows 10 upgrade? [closed]

I currently have Windows 8.1 installed on my Lenovo Flex 2 15 laptop. It comes with Windows 8.1 pre-installed. I want to dual boot my laptop with Ubuntu 14.04, however, I am concerned that it may ...
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2answers
49 views

How to set windows (8.1) boot manager as defualt

I would like to set the windows boot manager as the default boot manager instead of grub, could someone please help me out? I've been on google for a while and all i can find are instructions for ...
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2answers
57 views

ubuntu dual boot problem

I recently bought a new laptop (z50 20354). it came with win 8.1 pre installed, i decided to dual boot it with ubuntu(14.04). i had to change my bios settings and did the following: changed OS ...
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1answer
21 views

Ubuntu 14.10 wants to install along windows 8 i don't have windows 8 i have 7

Like the title says. I boot from USB and it shows to install alongside of windows 8 the problem is I don't have windows 8 i have windows 7 Why is it telling me I have windows 8 install i only have ...
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4answers
161 views

Dual booting Ubuntu 14.04 and Windows 8.1

Yet another question on this topic. Sorry. I've bought a new HP Pavilion 15-p239sa with Windows 8.1 installed, and I'm trying to dual boot Ubuntu 14.04. The problem is that after installation of ...
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1answer
47 views

cant install windows 8 while ubuntu is already installed ! [want to dual boot] [duplicate]

I am having ubuntu 12.04 LTS , I was trying to install windows8 but at the partition selection i got this error " We couldn't create a new partition or locate an existing partition" . But i had ...
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1answer
29 views

No OS select menu when starting up my HP laptop

I am new to Ubuntu and thought it looked better than Windows 8.1 I have installed Ubuntu onto my laptop but as soon as I had installed it, it restarted and went straight to Windows booting up. I did ...
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0answers
21 views

Ubuntu dual-boot with preinstalled win 8.1 - How to install properly? [duplicate]

Is it possible to install Ubuntu alongside pre-installed Windows 8.1? Would it cause the removal of 8.1? I also heard something about UEFI and secureboot and such things that could cause problems. ...
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0answers
27 views

Struggling to boot back into windows after installing ubuntu 14.04

I have a question, and hold on, could be a long one. Previously, I have dual booted my computer with linux mint 17.1. I do not know how I bypassed Uefi, but I somehow disabled it. So, previously I ...
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2answers
66 views

Installing Ubuntu on main HDD drive together with Windows 8. To boot Ubuntu from disk-on-key

Despite the abundance of dual-boot issues lying in the World Wide Web, I decided to create the new topic with my specific question. I have a laptop Asus K55V + UEFI + 500Gb HDD + Windows 8 upgraded ...
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1answer
23 views

Ubuntu md5 verify from windows

i need the windows 8 equivalent command of Linux md5sum in order to check the Ubuntu .ISO from a windows 8 machine . thanks
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1answer
61 views

Dual booting to windows 8.1 failing after first boot

My brand new Lenovo X250 came with a Windows 8.1 pre-installed. I wanted to dual boot with Ubuntu 14.04 as I did on my previous computer. I started by disabling UEFI, removing Windows 8.1 , changing ...
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0answers
33 views

Running windows 8.1 on virtualbox whils on ubuntu 14.04

I am very new to Ubuntu and Linux. I am currently dual-booting windows 8.1 and Ubuntu and I just downloaded Virtualbox. I am wondering if it is possible to run my Windows 8.1 OS with all of my ...
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2answers
58 views

Windows Installation on linux pc from .iso? [duplicate]

I have had Ubuntu installed on my laptop now for a while, I have also been switching distros. Now that I want to install windows back again I am having a problem: I have tried making a bootable ...
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1answer
137 views

Low Graphics Mode Error after clean 14.04.2 LTS installation

I know this thread seems like a duplicate, and maybe it is, but I've tried to figure this out using other related posts, but with no success. A couple of days ago I decided to install Ubuntu on my ...
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1answer
137 views

Adding Ubuntu to Windows 8.1 Boot manager UEFI mode

I am trying to add Ubuntu to the Windows boot manager in Windows 8.1. I have tried using easyBCD to do this but as I am booting in UEFI mode it fails to work. Is there a way to manually add it in ...
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3answers
172 views

Not booting any operating system

I installed Ubuntu 14.04 (Trusty Tahr) along with Windows 8. When I install it I give it just a 7 GB partition. After five days the Ubuntu partition is completely full (low space). So ...
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0answers
41 views

Windows 8 remove grub after booting

I'had Windows 8 installed on a SSD with 2 other Hard Drive, I intalled Ubuntu on the SSd (~15Go partition) and the Grub just worked fine, I could run Ubuntu and after a reboot I run windows8. But ...
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3answers
50 views

How to remove my ubuntu without installing any operating system? [duplicate]

i m having UBUNTU 14.04 in my pc. now i want to remove ubuntu and install windows8.1. I have Booted Windows in my Pendrive.. While installing It is not able to use my Hard drive space which i m using ...
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1answer
30 views

Installation: USB or DVD? [duplicate]

I wish to add Ubuntu 64 bit to Windows 8, and the installation guide mentions booting from USB or DVD. If I burn the downloaded Ubuntu to an empty USB stick, then put the stick into my computer, what ...
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1answer
20 views

What after download Ubuntu on windows 8 [duplicate]

So I've got some problems while downloading Ubuntu. As I clicked on the downloadlink ( the first one you see when you get on the destkop page), the Ubuntu link started downloading. When it was ...
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30 views

Bootloader problem upon installing Ubuntu - 0xc000007b

I'm having trouble installing Ubuntu. After running the installer, when it asks to reboot I restart and I get the following message from the Windows 8 bootloader: Status: 0xc000007b ...
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1answer
39 views

Windows 8 install turned my ext4 partition into unallocated space. How do I recover it?

The unallocated space in sda2 is supposed to be an ext4 partition with my ubuntu install in it. How do I recover this from a live CD so I can back up my data?
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1answer
61 views

Unable to go back to Windows 8.1 after installing Ubuntu for dual boot

I own a Lenovo G500s touch laptop that originally came with Windows 8.1 I followed an online tutorial on how to dual boot Windows 8.1 and Ubuntu. As of now, Ubuntu 14.04 loads up just fine after ...
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1answer
105 views

Can't boot into Ubuntu with Windows 8.1 installed

So you've probably seen this all before, but I have searched around a can't find a fix anywhere. I installed Ubuntu 14.10 on a 10GB partition of my SSD, said SSD has a much larger partition with ...
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2answers
106 views

Blurry screen during and after install process

Alright so I've been stumped on this issue for a while now and I'm not sure how to fix it. I'm trying to migrate from Windows 8.1 however when I try to install Ubuntu (or any other OS that supports ...
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0answers
82 views

Unable to install ubuntu alongside windows 8.1 with raid0: no partitions detected

I tried installing Ubuntu 14.04 alongside windows 8.1 on my machine using an Ununtu USB drive in UEFI mode, but no luck: My machine is Asus UX301, preinstalled with Windows 8, upgraded to 8.1. Got ...
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5answers
421 views

My dualboot windows 8.1 ubuntu is not working

I'm trying for 2 weeks to install ubuntu on dual boot with my brand new G551 asus windows 8.1 and I don't succeed. I succeeded to install Ubuntu but I can't boot to there, I've no grub who shows up ...
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80 views

Loosing UEFI boot option after installing Ubuntu 12.04.3 on Asus A455L with Win 8.1

I have a new laptop that I and my wife share, she needs Windows and I want to try Ubuntu. I installed Win 8.1 first and Ubuntu 12.04.3 in dual boot mode after. The problem is: No dual boot, it goes ...
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0answers
14 views

Reinstall Windows 8 [duplicate]

I had a school project to dual boot a virtual machine. The project went great! However, I liked ubuntu so much I wanted to dual boot my pc as home. When I was setting up ubuntu I erased the windows ...
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0answers
60 views

How to boot Windows 8 installed in legacy mode using GRUB in EFI mode?

This question is linked to this: How to boot Windows 8 from a legacy MBR partition in UEFI mode via GRUB? But I can't access windows anymore, so I can't run bcdboot. Here's my partition tables: ...
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0answers
27 views

Dual boot Toshiba laptop with pre-installed Window 8 [duplicate]

I have Toshiba laptop which is pre-installed with Windows 8. Is it possible to dual boot my system with Ubuntu without any negative effects to my laptop?
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1answer
33 views

My laptop not showing dual boot [duplicate]

Im using dell vostro 3546. Just before i was install successfully ubuntu. Before it has windows8.1. Now i did restart my laptop and doesnt showing dual boot and it showing only ubuntu. I donot know ...
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1answer
90 views

How to repair (not recover) my HDD's MBR and/or corrupted partition table

I have a serious problem going on with my HDD [SAMSUNG SP1644N- 160GB HDD - real 149GB] I wanted to reinstall my windows so I used Parted Magic's Partition editor to format it... I made an ...
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1answer
61 views

Legacy mode, Grub can't load win8 even it's in grub list

I don't think I can handle daul-boot in UEFI mode, so I delete efi floder in Win8 iso as Microsoft suggests to install win8 in legacy mode. Then turn to install Ubuntu. I create some unallocated space ...
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0answers
15 views

unable to get ubuntu login screen on my hp pavilion

Just a while ago, I have installed ubuntu 14.10 along side windows 8. But after everything is done .. I tried restarting my laptop but I am not getting any ubuntu screen to log in to it. As usual i am ...
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0answers
42 views

WiFi not working in windows after installing broadcomm drivers on Ubuntu 14.04

I recently dual booted my laptop and now I have Ubuntu 14.04 alongside Windows 8.1. Initially, Wifi wasn't working on Ubuntu but after having followed fews posts here I successfully installed some ...
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33 views

Bluetooth is being locked by Windows 8

My Bluetooth was working fine, but after switching to Windows 8 and switching back to Ubuntu again it doesn't seem to work anymore. What can I do to fix this problem?
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0answers
30 views

Dul booting ubuntu alongside windows 8.1 [duplicate]

What is the step by step process to install Ubuntu alongside Windows 8.1? I have been referring various sites and have got the basic idea. Would like if it where explained in detail as I am new to ...
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0answers
61 views

Can't mount Windows 8.1 storage drive. Partition type is random hex

I had windows 8.1 installed on a SSD drive, and I had a separate 2TB internal HDD where I stored all of my documents. The windows 8.1 installation died on me and refused to boot, so I decided to try ...
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1answer
67 views

Dual boot giving boot priority to Ubuntu 14.04 (UEFI based)

I will install ubuntu in a computer with pre-installed Windwos 8, this summarize all procedures (Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)), but something very ...
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52 views

After Boot-Repair, Windows 8 (10)not showing up

OK, I know there are other questions like this, but I'm posting this because mine is slightly different. I have Windows 10 installed (shows as Windows 8 in boot menus) and I installed Ubuntu just as ...
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2answers
40 views

How to boot from my LIVE USB?

I cannot get the screen by repeatedly pressing F12 or ESC or any other screen.
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2answers
155 views

Attempted Installing Ubuntu on Windows 8.1 UEFI, Confused about booting in UEFI, Legacy Mode

I followed this Askubuntu Post to install Ubuntu as dual-boot with Windows 8.1 pre-installed as(UEFI),but I am not able to dual-boot and tried Boot-Repair I first burned an Ubuntu ISO on a blank ...
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1answer
106 views

Cannot boot to Windows 8.1 after installing Ubuntu

The issue is fixed, I had forgotten to change boot mode and boot priority in BIOS to UEFI and UEFI First, and also 'Optimize for' from 'other OS' to 'Win8 64bit' First of all, sorry if this question ...
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0answers
31 views

Ubuntu 12.04 and Windows 8.1 efidisk read error

I successfully dual boot Ubuntu 12.04 and Windows 8.1 UEFI Boot Mode Ubuntu 12.04 and Windows 8.1 UEFI When I boot, it shows error:efidisk read error, but it goes to Grub's boot menu right after ...