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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Remove win 8, install ubuntu 16.04 64 bit on a laptop with UEFI

I want to remove win 8 and install ubuntu 16.04 64bit on a Samsung laptop with UEFI. I'm not interested in a dual boot setup. With the intention of changing the boot order so that I can boot from a ...
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3answers
5k views

Ubuntu 13.04 and Windows 8 dual boot problem where Windows 8 doesn't boot

I will brief about the problem, that how it started. I purchased a Sony VAIO (SVE15133CNW) laptop on May-2013, with pre-installed Windows 8 After couple of days I installed Ubuntu 13.04 using USB ...
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2answers
252 views

Installed Ubuntu (dual boot) and now Windows 8 doesn't boot

It shows this whenever I try to boot Windows from grub error: can't find command 'drivemap'. error: invalid EFI file path. Press any key to continue... I've tried the automatic boot repair and ...
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1answer
6k views

how to add windows 8 entry to grub after boot-repair

I installed ubuntu 14.04 in a dual boot (with windows 8.1) but my pc directly boots into ubuntu. For that I did a boot-repair->recommended repair. But all I got was grub menu with an option to boot to ...
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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 ...
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1answer
5k 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.
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7answers
124k views

Uninstall Grub and use Windows bootloader

I have Windows 8 pre-installed and then installed Grub with Ubuntu. Ubuntu is not my thing so now I want to remove it along with grub. From what I have learned, with UEFI, Grub does not overwrite the ...
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2answers
7k views

Internet isn't working in Ubuntu 14.04 as VirtualBox Guest OS

I have installed Ubuntu 14.04 Trusty Tahr as Guest OS in Vitual Box on Windows 8. But the internet isn't working in my Guest OS. Where is the problem?
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2answers
144 views

Can't Boot into Windows 8

I have just installed Ubuntu 14.04 LTS on my laptop with Windows 8 installed. Now I can boot into Ubuntu without any problems, but I can't boot into Windows 8. After I choose Windows 8 Loader (on ...
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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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6answers
17k views

After installing Ubuntu I can't boot Windows 8 anymore

I just bought a new laptop (a lenovo ideapad Z500) and it came installed with Windows 8. I wanted to have Ubuntu on it too, therefore I resized the Win8 partition from the control panel and installed ...
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votes
1answer
51 views

Can I use Linux to fix my computer? [closed]

About a week ago I attempted to start up my Windows 8.1 computer and it wouldn't boot. After attempting to fix Windows with several tools, I was told to use a live OS like Knoppix to backup my files ...
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1answer
53 views

Ubuntu 16.04 can not be install on unallocated disk

I am trying to install Ubuntu 16.04 with Windows 8.1 in dual boot. So I shrink my Partition F to get 34GB of unallocated disk space. In the Ubuntu setup process, it detects that my PC has Windows 8 ...
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2answers
37 views

how do i keep ubuntu & windows dual boot when updating to win 10?

I have a Windows 8.1 and Ubuntu dual boot on my hp pro-book, and when i update to Win 10, the dual boot and the second hard drive partition are inaccessible. When i downgrade back to Win 8.1 the dual ...
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2answers
4k views

Dual boot Windows 8.1 / Ubuntu 14.04 on two separate HDDs

So got a new PC (Dell 3847) and swaped the 400w power supply from old system to replace 300 W one and picked up a NVIDIA GeForce GTX 750 Ti graphix card. I would like to use the 1 TB HDD in my old PC ...
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vote
3answers
4k views

Installed Ubuntu and now can't boot into Windows anymore

Okay, now I have a new problem... I installed Ubuntu on my new SSD today. But now Windows 8 doesn't show up in the boot loader anymore. I ran Boot Repair and it told me GPT detected. Please ...
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0answers
59 views

Wanted to change Ubuntu to Windows, cant even boot

I recently decided that I would switch from my beloved Ubuntu,to windows. So, first of all I made my boot-able USB with Windows 8.1 on it,using uNETbootin. All things went well up to this point, and ...
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3answers
8k views

Tablet BIOS (UEFI) won't accept boot from USB

I have a x64 tablet running win 8.1. I am trying to install different Linux distro's. Unfortunately I am having trouble booting up from live usb. I got all set up in bios, turned off secure boot, ...
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0answers
81 views

Kernel Panic - not syncing - Attempted to kill init ! exit code 0x00007f00

I am using Ubuntu 14.04 LTS dual boot with windows 8. Yesterday I was installing hadoop on my system and suddenly Ubuntu stopped working. So I have to power it off directly by pressing and holding ...
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0answers
15 views

Grub Loader lost

I had to install windows 8 again. I already have Ubuntu installed. Now, Grub loader is not shown. I have tried to boot by usb with ubuntu. A menu shows up: -Try ubuntu without installing -install ...
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1answer
43 views

Is it possible to extend memory for ubuntu OS?

I installed Ubuntu 14.04 LTE in my DELL laptop.It is working properly,Now I can access 2 Operating systems(win8 & Ubuntu). At the time of installation process I allocated memory as around 10 GB ...
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0answers
16 views

Can't boot into Windows

Well I did a stupid thing while repairing my boot loader system using EasyBCD on Windows. I selected Ubuntu as default bootloader and also selected the 'Skip the boot menu' option and applied those ...
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vote
1answer
4k views

Ubuntu install deleted Windows 8 partition; how to recover it on ubuntu

I tried to install ubuntu to get dual OS but incidentally delete one of the windows' partition in the process...... I can't boot windows or even use the recuse tool to recovery it... I've backed up ...
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2answers
43 views

GRUB2 Installation failed Dual boot ubuntu with windows 8

I am having hp pavilion g6 2320tx with windows 8 preinstalled with the UEFI mode I am trying to install ubuntu alongside Windows 8 but it fails every time giving me the error that grub2 was not ...
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2answers
2k 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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2answers
2k views

After install ubuntu 12.10 cannot boot to windows 8 ( pre-installed)

recently I have bought a lenovo z580 with pre installed windows 8 and I have installed ubuntu 12.10 ( secure boot was enabled when I was installing ubuntu after the installation I disabled it) I can ...
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1answer
491 views

Running Ubuntu on Nextbook

I tried running Ubuntu on my Nextbook tablet by making a bootable USB drive and also tried making a bootable SD card, but all I get is this error screen saying "System doesn't have any USB boot ...
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vote
1answer
4k views

Boot-repair: Can't boot ubuntu in uefi mode

I am aware that there are many similar questions in this site, but none of the seems to solve my problem. I've been trying to install ubuntu 14.04 alongside a preinstalled Windows 8.1 in a toshiba ...
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votes
2answers
5k views

Burg + UEFI + Win 8 multiboot

Intro: After some trial and error I've managed to install Ubuntu 12.04 64bit on my Win 8 preinstalled Lenovo Ideapad Y500. So far I've had two problems: Grub detected the windows 8 install as a ...
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0answers
43 views

Samba shared folder “not accesible” by Windows 8 client

I've been tinkering with this for hours... why do I keep getting an error message on the windows machine saying the folder is not accessible? Ubuntu 14.04 Here is smb.conf: # # Sample ...
0
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1answer
39 views

Windows Ubuntu dual boot - Windows boot problem after updates

My Windows - Ubuntu dual boot system was working perfect for up to 6 months. After Windows updates, Windows can't boot. I have tried several things but nothing seems to work. You can find a Boot ...
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3answers
78 views

dual boot system can't boot from usb

I have Ubuntu 15.10 and Windows 8.1 both installed on my PC and I want to boot from a USB just to check something, but GRUB does not give me any option to do so. The USB is bootable (I checked it with ...
0
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1answer
42 views

Ubuntu 14.04 not loading SSD with Windows 8 on it

At the moment I have a 1.5tb WD HDD with Ubuntu 14.04 loaded on it. Instead of booting up Ubuntu I want to boot windows off of a sandisk 240gb SSD I also have installed. Every time I look at the drive ...
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votes
4answers
42k views

How to troubleshoot booting to a black screen on virtualbox

I was using 13.04 as a guest OS on my Virtualbox 14.2.18. Host is Windows 8. After upgrade to 13.10 ubuntu does not start. I can see black screen and blinking cursor. Can anyone help? I am pretty ...
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2answers
531 views

Ubuntu won't load after installation (UEFI problem?)

I just bought a new notebook, HP 250 G2, with no operating system (only FreeDOS) so I thought I could just install Ubuntu without any of the problems I had previously experienced on other machines ...
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0answers
51 views

Unable to install Ubuntu 14 to secondary drive partition on from Windows 8.1

Machine: Geforce GTX 970M 6144 MB vRam(?) Processor: i7-4790S 3.20 GHZ 32.0 GB RAM 64 Bit Win 8.1 Pro I've used Universal Install to write ubuntu-14.04.4-desktop-amd64 to a 16 GB flash drive. ...
0
votes
0answers
48 views

How can I install windows (from DVD-R-8.1 Pro.) having Ubuntu, the only OS on my laptop? [duplicate]

Initially it was Windows 8.1 pro, then switched to 10 on a pop-up on the task bar, which was not activated, After few days I thought of dual booting with Ubuntu and so, went to Ubuntu's site and ...
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0answers
8 views

Unboot Pendrive through ubuntu which is booted in windows 8

I recentely migrated from windows 8 to ubuntu 14.04 .I booted my pendrive through windows 8. Now I want to unboot my pendrive through ubuntu 14.04, how can i do? Pendrive: 16GB(sandisk cruzer blade) ...
0
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1answer
37 views

Grub - missing windows 8 recovery

In a dual boot ubuntu 14.04 / windows 8 (upgraded to Windows 10) laptop, there's no entry in the grub menu list for starting the windows 8 recovery procedure (installation files are in a partition). ...
41
votes
3answers
42k 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
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1answer
28 views

Problem installing Ubuntu 15.10 acer

I can not install Ubuntu appears to me as it is shown in the picture System Information OS: Windows8.1 Please to help me quickly please.
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2answers
592 views

system directly booting to windows without showing grub menu

I have hp pavillion 15 n203tx preinstalled with windows 8.1. I installed ubuntu 14.04 in it. and then it use to show a grub menu everytime I turn my system. the menu was- 1). ubuntu 2). advanced ...
0
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1answer
38 views

boot-repair error message meaning, and assistance on next step

Please help me understand what this means, also what is the next step to recovering my initial operating system Win 8 ? I've been wrestling with this for so long. For crying-out-loud they now have ...
2
votes
5answers
16k views

Black screen after GRUB, can't install. UEFI

I know there are tons of threads like this and I've tried everything i can think of that has been given as an answer in those threads. The problem: I select the USB flash drive as my boot device, and ...
2
votes
2answers
1k views

Installed dual boot Ubuntu 14.04 and Windows 8.1 Can't boot into Windows

I have two internal hard drives; 1 for Windows 8.1 and 1 for storage. I decided to install Ubuntu on the secondary hard drive. One of the guides I used advised me to make a small boot partition in the ...
0
votes
1answer
71 views

Edit EFI file paths for Windows Boot Manager from Xubuntu 14.04

I've been trying for some time to fix a mistake I have made around a month ago with Windows 8 after installing Xubuntu beside it. In order to make my laptop run GRUB2 instead of the original Windows ...
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0answers
16 views

Error and command screen when booting from USB flash to install it

Boot screenshot I get this error when I boot from USB flash to install Ubuntu.
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2answers
59 views

GRUB doesn't load windows 8

Here what I am getting: Windows loads fine only if I switch to UEFI via "Boot options(F12)". I get the GRUB menu only in legacy mode. In GRUB 2.02 beta2-9ubuntui1.3 menu the only selection for ...
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3answers
516 views

Recovery Partition in Windows 8 hogging space

Ok, I am trying Ubuntu alongside Windows 8.1. I have used Ubuntu briefly when I had Win7 but that was many many years ago, and went by a lot easier. The issue I'm having is that Windows 8.1 has a ...
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2answers
78 views

Grub menu doesn't appear on dual boot with win8.1

After installing Ubuntu 14.04.3 on a HP Pavilion G6 that had windows 8.1 pre-installed, I am unable to see the grub menu. I can see two entries of Ubuntu if I hit the 'esc' key while booting and press ...