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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Cannot boot ubuntu 15.04 using sony VAIO with win 8.1 pre installed

I am new to Linux and I am recent trying to install 64-bit ubuntu 15.04 into my sony VAIO S series laptop (SVS13125CGP)with windows 8.1 pre-installed to make it a dual-boot laptop. I have tried the ...
0
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3answers
31 views

How to install Windows(8.1/10) when Ubuntu 14.04 is installed?

I want to install windows operating system on my laptop (originally came with windows, but deleted it because Ubuntu is better for me, but now I have to use Windows, because of my studies). Few days ...
0
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1answer
16 views

How to revert a dual boot (windows 8 & Ubuntu 15.04)

I want to reinstall ubuntu but with LTS so I can delete windows 8 and allocate my hard drive data to ubuntu
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0answers
18 views

how can I Revert ubuntu dual boot with windows 8 and retrive lost documents

I wanted to dual boot Windows 8 with Ubuntu and I mistakenly chose the wrong partition. I have lost my files and everything on my computer including the Windows installation. Is it possible to revert ...
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0answers
21 views

Dual booting 14.04.3 and windows 8.1 issues

So I have a brand new Asus n550jk. I followed this guide; https://www.youtube.com/watch?v=hOz66FC0pWU. I have converted a computer to ubuntu 14.04.3 completly before correctly, however I have never ...
1
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1answer
34 views

Ubuntu 14.0.4 LTS Crashes and freezes many times just after installation

Hello everyone and thanks for opening this thread; My computer works fine when I boot windows 8.1, but booting Ubuntu, I will surely face a system crash ( or freez), some times it takes one or two ...
1
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4answers
6k views

Ubuntu LiveUSB doesn't recognize my Windows 8 installation

I have a laptop with UEFI (secure boot disabled) with Windows 8. I am trying to install Ubuntu 12.10 or 12.04 along side Windows 8 on my primary hard drive, which uses GPT. I am only presented with ...
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0answers
42 views

Having trouble dual-booting Linux (Ubuntu 14.04) with Windows 8.1

I would like to dual boot Ubuntu 14.04 for a software development environment, but I would also like to keep Windows 8.1 and my programs / media on a partition because I enjoy playing some ...
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0answers
24 views

Accessing Windows Shared file from ubuntu

I was wondering how to access windows shared file from ubuntu...I'm new in Ubuntu so excuse me if it's a silly question
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1answer
22 views

Dual-booting Windows 8 and Ubuntu with UEFI on two separate drives?

I've already installed Windows 8 in UEFI mode and it is currently running off of one SSD. On another SSD, I want to install Ubuntu GNOME. Is there any sort of special configuration or setting I have ...
0
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1answer
29 views

I deleted my ubuntu partition (win8 dual boot) without first resetting my uefi boot settings. How can I recover my laptop from grub2.02?

When I turn on my computer, I see the grub2.02 command line. It says "GNU GRUB version 2.02~beta2-15 Minimal BASH-like editing is supported. For the first word, TAB lists possible command ...
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0answers
12 views

How is performance of Windows 8 when virtualized on Ubuntu? [on hold]

I'm interested in setting up Windows 8 to run in a VM on top of Ubuntu. I know that there are a myriad of different virtualization tools and different ways I can configure them. I would like to know ...
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0answers
29 views

Grub Rescue with no Linux type OS ever installed…by me [closed]

Clean install of win8 on a new device that was subsequently hacked. Upon receipt of a new computer and attempted to do a clean reinstall of win8, it would not install on the msata on which it ...
0
votes
4answers
135 views

Windows 10 upgrade attempt destroyed both my Ubuntu and itself (windows 8.1). How do I wipe/format my hard drive to start fresh and try again?

I had been dual-booting with Ubuntu and windows 8.1 for a while now without issue. However, when attempting my free upgrade to windows 10, it killed both. I am not entirely sure why, but it looks like ...
0
votes
1answer
25 views

windows does not boot after successfully dual boot with ubuntu 14.04

So, I've successfully dual-booted my Windows 8 machine with Ubuntu 14.o4. However, I still don't have a convenient method of choosing what OS to load at boot time. Ubuntu directly boot.
3
votes
2answers
97 views

Dual-boot Ubuntu 14.04 - Win8.1 (Can't boot Windows when UEFI mode is turned on)

I'm trying to install Ubuntu as a second OS, but I'm stuck at the turn off secure boot step. I've found out that to disable secure boot I need to switch from Legacy mode to UEFI mode. But I can't ...
0
votes
0answers
40 views

VirtualBox - Trying to boot a VM from .iso - Fatal: no bootable medium found!

I am trying to install Windows 8.1 64bit in a VM. I have an .iso and I am trying to boot from the .iso. But I get the following error: Fatal: no bootable medium found! I have downloaded the .iso ...
0
votes
0answers
8 views

Deleting Windows from triple boot

I first had windows 7 in my laptop. Then I installed windows 8.1 in different partition (dual booted). Then I installed Ubuntu in different partition. Now it shows me grub showing option to boot ...
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3answers
4k views

Error 0xc000007B after installing ubuntu 13.10

I am trying to install Ubuntu 13.10 64bit with UEFI enabled (since windows came preinstalled) and I want to keep windows. I created a partition, installed ubuntu successfully and then I repaired grub2 ...
22
votes
6answers
48k views

Windows 8 removes Grub as default boot manager

I have a Sony VAIO S series with Windows 8 preinstalled, and I installed Ubuntu 12.10 on a new partition. When the PC boots Grub is display, and I can choose between Windows 8 (didn't worked at the ...
1
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0answers
60 views

How can I upgrade to Windows 10 and still dual boot?

I currently have Windows 8.1 and Ubuntu 14.04. I want to upgrade windows from 8 to 10. But I am afraid that it will break the Ubuntu dual-boot configuration. Please guide me how to upgrade to ...
1
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1answer
206 views

exFAT pagefile.sys size Error on dualboot with Windows 8.1

I have a dual boot with Ubuntu 14.04 running beside Windows 8.1. I store all my data on an exFAT-formatted partition so I can access them from both of my OS'es. It worked fine for the longest time, ...
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votes
0answers
29 views

cant install win8 on ubuntu 14.04 partitions? [closed]

my win10 computer froze so I tried restoring it to win8 ( I did the OTA update) and the win8 recovery disc wouldn't load, so I put ubuntu 14.04 on so I could at least have a computer, now when I go to ...
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0answers
13 views

Boot Windows 8.1 after dual booting with ubuntu but only can acces Windows recovery

I just made a mess with UEFI and Legacy. I can't use Boot repair because I'm in Legacy mode, and I can't use Windows backup because it's impossible to enter, it just let me enter in recovery mode and ...
1
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2answers
75 views

Dual booting windows 8.1 and ubuntu, windows automatically loads

So I recently attempted dual booting Ubuntu with Windows 8.1 on a HP Pavilion G6. So far I've gotten everything working except whenever I turn on or restart my computer, it loads straight into ...
3
votes
3answers
4k views

can't boot the Live DVD in my pc (UEFI, windows 8 dual boot)

I have a Dell XPS 8500 pc, with windows 8, and UEFI, I want a dual boot with windows 8 and ubuntu 12.10(64 bits) .. then I was reading the next tutorial: http://help.ubuntu.com/community/UEFI but ...
0
votes
1answer
48 views

Changing Default Grub Menu, Not Default OS

My question is in regards to changing my default GRUB bootoader. Not the boot order, font, image, etc. I have successfully triple booted both of my laptops. Their default OS's were both Windows 8.1, ...
0
votes
1answer
31 views

The System Running In Low Graphics Mode’ Error. Guides will help

Hello Ask Ubuntu community. I've been trying to setup / load Ubuntu for a while now, but It won't let me set it up. I get the error "The system is running in low graphics mode" and I have a NVIDIA ...
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votes
0answers
17 views

Grub entry for Windows 8 boot not working [on hold]

I have a dual boot configuration (Linux Mint 17.2 and Windows 8.1) on a Lenovo G505. I can boot into Linux Mint without issue but cannot boot into Windows 8.1. My boot info summary states there is ...
0
votes
1answer
3k views

Installing Ubuntu 14.10 (64-bit) on a Windows 8 bay trail atom tablet

For those of you wondering, this is not actually a question, it's a guide. "How can I install 64-bit Ubuntu on my 32-bit UEFI Bay Trail atom tablet?"
3
votes
6answers
296 views

How do I install Ubuntu with windows 8.1 on Toshiba? (now upgraded to win10)

I've upgraded my OS to Windows 10 but my problem still persists I am trying to get Ubuntu 14.04.2 and windows 8.1 dual boot setup. I've read numerous articles on how to do this, but can't figure out ...
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3answers
40 views

What will happen with ubuntu if I reset Windows 8 to factory default?

I have a dual boot system with Ubuntu 14.04 and Windows 8 on my hp laptop. I have been using this for over a year, but recently, there was some accident after which my Windows 8 is not booting. I ...
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votes
0answers
19 views

Windows 8 over Linux Bootup EFI Error

I am getting these error while installing Windows 8 . I have a dell pc which comes preinstalled Windows 8 but after time i installed ubuntu . At the time of installtion by mistake all the files got ...
0
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0answers
24 views

install ubuntu alongside with windows 8.1: cannot boot into os selection screen without external

I was following instructions from this link(not exactly but roughly those steps). In the end I still cannot boot into the (grub) os selection screen. However, if I plug my installer thumb drive in, I ...
0
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3answers
7k views

Ubuntu 12.10 installer doesn't recognise Windows 8 partition on Toshiba C850 Laptop

I purchased a Toshiba C850 Laptop and I'm trying to install the 64 Bit version of Ubuntu 12.10 alongside Windows 8, allowing me to dual boot. I burnt a Ubuntu 12.10 DVD, disabled Secure Boot on the ...
1
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1answer
929 views

Making Ubuntu my only OS using WUBI [duplicate]

I have never used Ubuntu before. I am currently running Windows 8 and have installed Ubuntu 12.10 using the wubi install kit. My comp. will not recognize a DVD drive for now. I want to destroy ...
1
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1answer
90 views

how to dual boot ubuntu 15.04 with windows 8 [duplicate]

My laptop model is DELL INSPIRON 15z(has 2 hard drives. One is 500GB HDD and the other is 32GB mSATA used for caching purpose and fast booting using IRST). I want to dual boot ubuntu alongside windows ...
34
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2answers
29k views

Why disable Fast Boot on Windows 8 when having dual booting?

Why is everybody keep mentioning to disable Fast Boot on Windows 8 if you have installed alongside Ubuntu? Is it something that is recommended only for UEFI machines or is it a suggestion for Legacy ...
0
votes
0answers
11 views

dual boot win8.1 and ubuntu - Unused space problem

I justed to install Ubuntu on a pre-installed windows 8.1 Lenovo. So I shrunk about 40 GB from one of my drives. But when I wanted to use that space to install Ubuntu in that, I saw that this space is ...
29
votes
5answers
21k views

Npm errors when installing packages on windows share

I have Ubuntu 12.10 running as a VMware guest on my Windows 8 host. I have shared a folder on my Windows 8 Host and it is mounted in the Ubuntu guest on startup using this entry in fstab: ...
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votes
0answers
24 views

Installing ubuntu while retaining Windows 8 recovery option

I have a problem with retaining the option to recover Windows 8 on a laptop, Acer Aspire E1. On my own laptop I have Win7 and had a partition called Windows recovery partition and I just left it there ...
1
vote
2answers
60 views

Dual Boot Windows UEFI problems

So I once had a nice setup going with dual boot linux and windows 8.1 in UEFI bootloader mode, but then I had to screw it up and try playing around. I've currently got windows 8.1 installed, with no ...
0
votes
3answers
3k views

Can't boot to Windows 8 after installing Ubuntu

First of all, I know a lot of people has asked this question, but after revising a lot of questions, I didn't find my answer so I ask here because I'm desesperated and I need a solution... Here's my ...
1
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0answers
28 views

Which Are My Linux Partitions? [closed]

I am dual-booting Windows 8.1 and Ubuntu, both installed on separate partitions. I want to reformat my system with the windows 8.1 "Recycle Your PC" feature, but I'd like to first remove the linux ...
0
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0answers
45 views

Ubuntu 15.04 and Windows 8.1 dual-boot instructions [duplicate]

Hello fellow linux users, I am considering installing Ubuntu 15.04 on my Sony Vaio that came pre-installed with windows 8.1. I have looked at two guides for this. One made by Ubuntu, and the other ...
0
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1answer
22 views

Windows Manager always overrides Ubuntu

So I Installed Windows 8.1 first and then Ubuntu 15.04 on my laptop. Things were dandy until yesterday when I tried to boot ubuntu and it automatically went to windows. Tried to go through the bios ...
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0answers
23 views

before instaling Ubuntu [duplicate]

What should I do before installing Ubuntu to make sure that it won't have problem with my windows 8.1 How can I make sure that my files on windows won't be deleted?
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1answer
4k views

How can I install ubuntu in VMware workstation in windows 8?

I bought a new sony vaio laptop. I found that I cannot dual boot in this system (model sve15136cns). When I try to use it on a Virtual machine (VMware) it suddenly shuts down.
1
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0answers
33 views

How can I boot Ubuntu trial from USB drive on Windows 8.1 PC with SSD?

I've recently installed Ubuntu 14.04.2 LTS onto a USB drive using the Universal USB Installer. Everything up until this point was fine. I then restarted the computer, and tried to access the boot ...
0
votes
1answer
38 views

Boot-Repair made Dual Boot System unusable

After an Update to Ubuntu 14.04, the system no longer started and showed the grub rescue prompt. I was able to start from CD by pressing F10 at the beginning to select the boot medium. Then I was able ...