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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412
votes
11answers
1.3m views

Installing Ubuntu on a Pre-Installed Windows 10 with UEFI

I'm absolutely new to Linux. I have been using Windows for all my life, but I have read about Ubuntu (and Linux in general) and I think I'll like it, so I wanted to know how to install Ubuntu on my PC ...
27
votes
7answers
62k 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 ...
7
votes
3answers
28k views

How to boot WUBI installed Ubuntu within Windows 8?

I have Windows 8 Release Customer Preview on my laptop. I tried to install Ubuntu on it with Ubuntu Windows installer (I have always used this to install, although that was on Windows 7), it installs ...
16
votes
3answers
113k views

Grub not showing on startup for Windows 8.1 Ubuntu 13.10 Dual boot

Ok, so I'm such a newbie to Ubuntu and I bought a Windows 8 pre-installed laptop last month. I updated to Windows 8.1 and then I thought about installing Ubuntu as a dual boot so I could mess around ...
3
votes
2answers
15k views

Unable to boot into Windows after installing Ubuntu, how to fix?

I First Installed Windows 8 And Then I Installed Ubuntu 12.10. Now I`m Unable To Boot Windows 8. How To Fix This Grub?
42
votes
3answers
44k 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 ...
10
votes
3answers
62k views

Dual boot windows 8 and Ubuntu with Windows 8 Boot manager

I have two partitions on my hard-didk , I have installed ubuntu on my 1st partition and windows 8 later on another partition.Now i can only boot into windows 8 because it doesn't recognize Ubuntu. ...
7
votes
6answers
16k views

Dual-boot Ubuntu 12.10 on UEFI along Windows 8 (GRUB - error: can't find command drivemap)

Hello after a successfull installation of Ubuntu 12.10 amd64, I am now unable to boot Windows 8. Here are my actions: Made room (15 GB) for Ubuntu from Windows 8 Computer Managment Boot Ubuntu 12....
1
vote
2answers
1k 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 DVD-...
4
votes
3answers
3k views

Install Alongside Windows or Something Else - Which should I use?

I have old notebook with BIOS (not EFI) installed with Windows 8 RTM, want to install Ubuntu 12.10 by booting to a LiveCD. Doing some research, I found method either to choose Something Else or ...
13
votes
7answers
32k views

Will upgrading Windows 8 to 8.1 affect Ubuntu?

It's a rather simple question (I hope). I currently have Windows 8 and I am dual booting it with Ubuntu 13.04. If I were to install the latest update for Windows 8, that being 8.1, will it affect ...
8
votes
4answers
49k views

How to fix dual-booting Windows 8 and Ubuntu 14.04 on a Sony Vaio?

I am currently trying to install Ubuntu 14.04 on a Sony Vaio that came pre-installed with Windows 8 in (I understand) UEFI mode. And I am experiencing the dual-boot hell. I already tried most of the ...
11
votes
1answer
34k views

How can I check and change the partition table type?

New computers that ship with Windows 8 also come with a different partition table than before. This along with the move to UEFI causes confusion, as users are unaware of the newer partition table and ...
6
votes
2answers
80k views

Install Ubuntu next to Windows 8 (UEFI dual boot)

Windows 8 is already jnstalled in UEFI mode on an Asus g55vw laptop. Sad but true, I need it - for now. Downloaded the last version of Ubuntu 12.10. Made a bootable CD from the iso-file. Reboot in ...
2
votes
2answers
9k views

Cannot Restore Grub After Windows 8.1 Upgrade

I have an Ubuntu 13.10 and Windows 8 dual-boot working properly, and upgrading to Windows 8.1 breaks grub2 as expected. However, this time boot-repair was not able to bring grub back for me. My laptop ...
4
votes
1answer
10k views

Windows 8 deletes GRUB when booting

I have this situation: SONY VAIO SVF1521V1EB Windows 8 preinstalled in UEFI. I decided to install Ubuntu 13.10 in dual boot. So I downloaded the amd64 iso, burnt on a DVD, then booted from DVD in ...
10
votes
0answers
19k views

Is wubi for Windows 8? [duplicate]

Possible Duplicate: How to boot WUBI installed Ubuntu within Windows 8? Installing Ubuntu on a Pre-Installed Windows 8 system My Dell laptop shipped with Windows 8. I installed Ubuntu 12.10(...
8
votes
3answers
36k views

How do I install Ubuntu alongside UEFI enabled Windows 8? [duplicate]

I recently (about a month ago) bought a Dell XPS 8500 Desktop with UEFI enabled Windows 8 Pro pre-installed. I am trying to install Ubuntu 13.04 64-bit dualboot with Windows on this computer. I don't ...
1
vote
1answer
456 views

Unable to access BIOS menu after installing Windows 8

After installing Windows 8 in UEFI mode I can no longer access the BIOS menu. I have tried different solutions to access the BIOS menu but I was unsuccessful. I want to switch to Ubuntu but the live ...
3
votes
2answers
5k views

Can't boot Ubuntu or Windows 8 after Ubuntu 64-bit install on Samsung series 7 Windows 8 laptop, error “All boot options are tried.”

I have a Samsung Chronos 7 laptop (NP770Z5E) pre-installed with Windows 8, and I wanted to install Ubuntu 13.04 alongside it, so I can dual boot. Here is what I've done: Updated BIOS to lastest ...
6
votes
1answer
19k views

Grub errors during UEFI dual boot for Windows 8 (can't find command 'drivemap')

I have got a newly bought ASUS N56V with Windows 8 preinstalled. I needed to install Ubuntu so i partitioned the disk and after having disabled the Secure Boot option from Windows 8 i successfully ...
0
votes
1answer
10k views

How to boot Windows 8 from a legacy MBR partition in UEFI mode via GRUB?

This question is similar to the answer of Dual-boot Ubuntu 12.10 on UEFI along Windows 8 (GRUB - error: can't find command drivemap), but Windows 8 is installed on a legacy partitioned drive. ...
3
votes
1answer
5k views

Partitions created in Windows are not showing in Ubuntu

I want to install Ubuntu 12.10 64 bit alongside Windows 8, so I created some free space in Windows 8. When I try to install Ubuntu using a Live USB, the free space created is not visible and the ...
1
vote
2answers
4k views

System BIOS doesn't show Ubuntu as boot option after installation?

After trying and failing many times to create a bootable USB, I finally managed to create one using Universal USB Installer from PenDriveLinux.com. I created a bootable USB with Ubuntu 13.10 64-bit ...
1
vote
1answer
5k views

Here's my smb.conf file. Whats wrong with it?

I have reduced this to almost 0 security. I've tried security = user. I can't for the life of me see on my Windows machine these shared drives. I've also had the netbios name equal my workgroup ...
3
votes
1answer
4k views

Is it safe to install Ubuntu 64 Bit 12.10 in EFI mode on Samsung series 7 WIndows 8 laptop?

I have been reading about the issue of Samsung laptops bricking when attempted booting from live USB. I have Samsung Series 7 NP700Z5C (-S02UB to be specific) laptop. It came with Windows 8 preloaded. ...
0
votes
1answer
20k views

How to install Ubuntu alongside Windows 7/8

I have a pre-installed Windows 7/8 and I want to install Ubuntu alongside that. When I try to install I do not have an Install ubuntu alongside windows 7/8 option during the installation (it's missing)...
0
votes
2answers
2k views

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

Edit: It currently looks like this Q&A wasn't useful to anybody. I will remove it some time in the future. An answer posted here should: Avoid to require the user to download and ...
0
votes
1answer
2k views

Install alongside Windows 8 is not working

I really want to try out and become a full time user of Ubuntu on my laptop so for the moment I have setup a dual boot on my Windows 8 HP Envy M6 Laptop. To do this, I shrank my Windows 8 partition to ...
6
votes
5answers
30k views

How to show GRUB after install Ubuntu over Windows 8?

I installed Windows 8 and after that I installed Ubuntu. This are my partition now: 70Gb --> Windows 8 50Gb --> Ubuntu 12.10 100Mb --> UEFI 300Mb --> Recovery I installed the GRUB on /dev/sda. ...
6
votes
2answers
31k views

How to install and use Ubuntu from a USB flash drive on Windows 8?

I'd like to fully install Ubuntu 12.10 onto a 16GB USB 3.0 flash drive, not create a LiveUSB, but to treat the flash drive as an external hard drive. I've read it's possible and I know my computer ...
6
votes
5answers
25k views

Failed to access Windows 8.1 NTFS partition from Ubuntu 13.10, even after disable fast startup

I am using Ubuntu 13.04, 32 bit and Windows 8.1. When I try to mount Windows 8.1 NTFS Partition it is showing this error message as below. Previously I was using Windows 7, but I have no problem to ...
4
votes
1answer
21k views

How do I use EasyBCD as bootloader with Windows 8 and UEFI?

I know this question has been asked a lot, but I didn't find an answer here. Ubuntu 12.04.2 64-bit was installed offline just a few hours ago on one ext4 partition, and a swap partition was also ...
2
votes
2answers
12k views

How do I install 12.10 on a Pavilion-G6 laptop with UEFI

I have a brand new HP Pavilion-G6 which boots to pre-loaded Windows8 and I want to change the machine to boot up into Ubuntu 12.10 whist retaining Windows 8. I am having difficulty booting into ...
4
votes
7answers
144k 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 ...
4
votes
2answers
11k views

Windows 8 no longer boots after Grub wiped out the Windows Bootsector

I was using Win8 and installed Ubuntu 12.10... There is an entry in GRUB for W8, but when selecting it - GRUB comes back again, so Windows never boot up. I can only launch my Ubuntu. /dev/sda1 * ...
3
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 ...
6
votes
3answers
13k views

Windows 8 won't boot via grub after intalling 12.10 with boot-repair

I hope someone here might be able to help me. I've just purchased a new Acer Aspire V3-771G laptop which came pre-installed with windows 8. I shrunk the main windows partition and installed ubuntu ...
5
votes
2answers
12k views

Unable to boot Windows 8 after Ubuntu installation

I installed Ubuntu on a pc with Windows 8 preinstalled. After installation Grub showed Ubuntu entries and Windows 8 Boot Manager (or something similar), selecting it I got: /EndEntire file path /...
2
votes
2answers
19k views

Ubuntu 13.04 - dual boot problem - unable to mount windows 8 partition [duplicate]

i installed ubuntu 13.04 alongside windows 8 and almost everything works fine (dual boot for both windows 8 & ubuntu 13.04 is working great). but when i try to access my windows 8 partition via ...
0
votes
1answer
6k views

Restore backup of WinEFI or UEFI (not sure) that boot-repair made

I have a laptop that supports EFI/UEFI. I have Windows 8.1 and Ubuntu 12.04 on it. The way I installed my OSes was like this: I installed Win 8.1 in the required partitions then Installed ubuntu and ...
2
votes
1answer
3k views

How do I boot HP Pavilion g6 to display GRUB2.00 rather than opening Windows8 by default?

With a lot of help from Ask Ubuntu, I have successfully installed 12.10 onto an HP Pavilion g6 2240sa notebook to create a dual boot machine which also has Win8. This could only be achieved by a full ...
1
vote
2answers
4k views

Need Help Fixing Grub after Installing Ubuntu 13.04 x64 Alongside Windows 8 on a Lenovo IdeaPad Y400 with UEFI

I have a Lenovo IdeaPad Y400 that came pre-installed with Windows 8. I would like to run Ubuntu alongside it in a dual-boot configuration. I've spent the past week fiddling around, re-installing both ...
1
vote
1answer
7k views

stuck in grub rescue mode after installing ubuntu alongside Windows 8

I tried to install ubuntu 13.04 on my new Lenovo G500 which came pre-installed with Windows 8. I shrunk the main OS (Win 8) partition and then disabled fast boot in the power options in Win 8. Then I ...
1
vote
2answers
357 views

How to Install Windows Alongside Ubuntu?

I have a computer which is currently running Ubuntu 14.04. I would like to dual boot with Windows 8. I can not find any instructions for installing Windows after Ubuntu is already installed. I am only ...
7
votes
6answers
30k views

How To safely uninstall Ubuntu and restore Windows 8?

How to uninstall the Grub and restore the Windows 8 system with secure boot and UEFI?
8
votes
4answers
48k 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 ...
5
votes
2answers
14k views

Is disabing Secure Boot needed for Ubuntu 14.04 dual-boot with Windows 8 UEFI

I've read some guides on dual-booting Ubuntu and Windows 8, but all of the guides I have read are about older versions of Ubuntu. They recommend disabling Secure Boot because there is a bug in the ...
4
votes
3answers
11k views

Is there a way to get Broadcom 802.11ac WiFi (43b1) working on Ubuntu 12.10?

I have a dual boot of Windows 8 / Ubuntu 12.10 on an ASUS G75VX with Broadcom 802.11ac Network adapter device 43b1. It seems that there exists no drivers for this adapter. I have done all of the ...
3
votes
2answers
17k views

Grub EFI entries and Boot-Repair

I installed Ubuntu 12.10 on a Dell laptop with OEM Windows 8 on it. At first, my Grub menu didn't show at all, so I changed the /etc/default/grub file commenting the line GRUB_HIDDEN_TIMEOUT=0. After ...