For questions regarding the installation of two or more operating systems on a single computer.

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1answer
122 views

Question about moving Ubuntu partition guide step 6: grub-install -d

I've been following https://help.ubuntu.com/community/MovingLinuxPartition and I have a question about step 6. It tells me to run sudo grub-install -d /media/<new partition uuid>/usr/lib/grub/[...
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2answers
1k views

problem dual-booting Windows with EFI and 2 hard disks

I've searched everywhere for answers to the problems I'm having, and can't find a solution. I hope someone here can help. I have a Thinkpad T420 with two hard disks. The first hard disk is internal ...
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3answers
279 views

Dual-boot Windows/Ubuntu error, can't install

I'm beginner with Linux, and I want to make Dual Boot Ubuntu 14.04 alongside Windows 8.1, so I've process like on this video. But when I restart my computer (with F12) on USB storage and that I want ...
1
vote
2answers
282 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 ...
2
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1answer
8k views

Ubuntu Error : “The partition table format in use on your disks normally requires you to create a separate partition for boot loader code”

I am trying to dual-boot Ubuntu 14.04.2 alongside Windows 8.1. I get this error after I configure the "root", "home" and "swap" partitions. I am following this guide. Here is a picture of the error :-...
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2answers
543 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 ...
1
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2answers
448 views

WiFi Driver not found!

I'm running Ubuntu 14.10 on HP pavilion P045TX Dual booting with windows 8.1. WiFi drivers are not found. How do i install the drivers for the same. Please help me out!!.
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2answers
184 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 ...
4
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2answers
32 views

Backup ubuntu and eliminate windows

Laptop is currently configured for dual boot of Ubuntu and Windows7, Windows7 was the original OS, Ubuntu 14.4 was added later. 500G harddrive has multiple partitions. VirtualBox was added under ...
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4answers
3k views

I deleted ubuntu and now GRUB doesn't boot into windows anymore

I am aware that if you just delete ubuntu, your pc isn't going to work anymore. I followed this guide on how to repair the MBR but it won't work so now I'm doomed. it said to do: -bootrec /fixmbr -...
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1answer
37 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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2answers
52 views

Can't boot windows 7 after reininstalling ubuntu 14.04

I had Windows 7 at first and i needed Ubuntu for some project , so dual booted windows 7 alongside Ubuntu and was working perfectly . Then ,got some issues with Ubuntu so reinstalled Ubuntu again . ...
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3answers
564 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 ...
0
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1answer
322 views

Dual boot: several Windows 7 loading entries in GRUB2 - should I delete any?

The system is Acer Extensa 2510G, and there's only one HDD. This is how the GRUB2 menu looks: Output of sudo update-grub2: The scripts themselves: Windows UEFI bootmgfw.efi: search --fs-uuid -...
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2answers
45 views

How do I remove the faulty version of Ubuntu from my PC?

I installed Ubuntu 14 on my PC, but it failed to recognise the keyboad, so was of no use. I therefore reinstalled Ubuntu, using the option to overwrite all files, but it appears to have created a ...
0
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1answer
114 views

Not able to boot to already installed Windows and Ubuntu in Hard drive

I am facing problems with OS booting of my laptop. I had a dual boot Ubuntu 14.04 alongside windows 8.1. I generally work in Ubuntu and one day when I started my system Ubuntu wasn't booting up. It ...
0
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2answers
75 views

Grub dont shows after windows 8.1 update [duplicate]

I had ubuntu 14.04.2 LTS installed in dual boot with windows 8 with grub2 as boot manager. The problem arose when the updated windows 8 for windows 8.1, now grub is no longer displayed when starting ...
0
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1answer
68 views

What is next step? I can boot from CD bot not from disk [duplicate]

I just installed ubuntu-14.04.2 on my HP elitebook 8440p laptop. I set it for dual boot with windows 7. I set up a 100GB partition for Ubuntu. The laptop has 8GB of RAM and intel core i7 processor. I ...
0
votes
1answer
196 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 ...
1
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2answers
526 views

Issues dual booting Ubuntu 14.04 and Windows 8 on Lenovo z50-70

I've attempted unsuccessfully several times to install Ubuntu alongside Windows on my new laptop. Initially Ubuntu 14.04 did install, but I was unable to boot it, after trying various things. I ...
2
votes
2answers
517 views

How can I make Ubuntu not mount efi partition by default at startup?

I've a Asus laptop with windows 8.1 pre-installed, I've managed to install Ubuntu alongside it, and for some days it worked fine. Today, out-of-the-blue, Ubuntu just goes black screen and I'm back at ...
0
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2answers
395 views

Ubuntu 14.04.2 installer does not recognize partitions when trying to install dual-boot alongside Windows 8.1

I'm trying to follow the guide by Luis Alvarado at Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported) for installing Ubuntu 14.04 UEFI in dual boot with Windows 8.1. I ...
3
votes
1answer
1k views

Fastest/easiest way to install Ubuntu on Windows 8

I'm sorry if this is asked frequently but I have a problem, the computer I'm going to install Ubuntu is not mine and can only keep it for about 4-5 days, however I need Linux for homework. In the ...
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2answers
223 views

dual boot: windows 8.1 boot failur,stuck with grub screen

Dual boot are working fine till yesterday... until today, when i start my computer and start windows 8.1 from grub menu, windows 8.1 stuck with grub screen, no further progress. after boot repair, ...
1
vote
1answer
330 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 ...
1
vote
1answer
169 views

Windows, Ubuntu and Grub with multiple disks

I have a laptop with one built-in SSD of 128GB. I use an ultrabay SSD of 256GB instead of my CD/DVD player that I use from time to time. My plan is to have Windows as primary OS on the built-in SSD, ...
2
votes
2answers
2k views

How can I remove memtest from boot menu

I first installed Windows 8 and then Ubuntu. There was no Windows entry on the boot screen, so I did grub-update and now it is present, but I also have 2 additional memtest entries in the list. Is ...
0
votes
2answers
58 views

How to delete all OSes on a computer except for one

I want a simple way to delete all Oses off my computer except for one, that being Ubuntu. I also want to put all the remaining unallocated space onto the Ubuntu partition, so that it may have the ...
0
votes
1answer
142 views

Ubuntu doesn't showup while booting

I have recently installed Ubuntu 14.04 along side Windows 8 in my Samsung Series 5 np535u4c notebook in a 52 gb disk called Ubuntu. Ubuntu grub screen showed up inttially (till I booted to Windows ...
0
votes
1answer
129 views

Ubuntu Linux + Windows 7 Dual Boot

when I was installing Linux I planned for a dual boot of Windows7 / Ubuntu. When I was installing Linux, I was choosing the partition for which to install Linux. I accidentally formatted the ...
0
votes
1answer
1k views

Grub unaccessible after windows 10 and ubuntu 14 install [duplicate]

I would like to be able to dual boot on windows 10 and Ubuntu 14. First, I tried to install windows 10 after Ubuntu 14. I was not able to dual boot after that. I know that this is not the best way in ...
0
votes
1answer
374 views

How do I install Ubuntu 14.04.02 alongside Windows 8.1? [duplicate]

Where can I find the how-to guide to install Ubuntu 14.04.02 alongside Windows 8.1? Because I don't know anything about it. I have a brand new system with a Core i5 processor.
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2answers
129 views

Installed dualboot ubuntu & win7 on two separate drives

First of all, I am total linux noob, so do not judge. I needed Ubuntu for dual-boot, and since I knew that I would not use it that often, I installed it on my other drive. The goal was to not have any ...
0
votes
1answer
81 views

Cant boot in Ubuntu on chromebook

I have an Acer Chromebook C720 I wanted to run exe files so I decided to download Ubuntu. I successfully followed an online tutorial that used a Crouton it all worked fine. But after shutting down and ...
0
votes
1answer
59 views

How to make grub2 recognize other Ubuntu installations again?

Until 13.10 and the grub2 version used there (version number is 2.02~beta2-... since years/multiple Ubuntu releases) parallel Ubuntu installations on other partitions (both with and without separate ...
0
votes
1answer
92 views

How can I install Ubuntu onto a second hard drive along side windows 7?

I've recently managed to install my old PC hard drive and have formatted it, now I want to install Ubuntu onto it but I don't want anything to happen to my windows 7 hard drive. I want to be able to ...
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votes
1answer
575 views

First time installing Ubuntu. Partition. Do I need swap area? I only have SSD

I want to install Ubuntu on my laptop (Thinkpad X201). I already have Windows 8 on my Laptop, so it will be a dual boot. My laptop has 4 GB RAM and a 120 GB SSD, but no HDD. My question is, for ...
2
votes
2answers
79 views

My other operating system has vanished even after running boot-repair

After installing Lubuntu, I have never found a dual boot option, so I googled this problem and then ran boot-repair. I've got 2 updates and one is good and the other is extremely bad: The Good One: ...
0
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2answers
292 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 ...
0
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2answers
1k views

How to install Windows 8.1(10) in a pre-installed Ubuntu 14.04

I am currenty using Ubuntu 14.04 and I need to install Windows 10 as dual boot. I create new ntfs partition for install Windows, But I get the following error when selecting the desired partition: "...
0
votes
1answer
212 views

Ubuntu inside/alongside windows 7 not taking my deleted partition(After selecting install ubuntu inside windows, my system restarts back)

My computer model is Dell studio 1555, with 4GB Ram and Intel core 2 DUO processor(500 GB HDD). Previously(probably 2012/13), the system was successfully installing any versions properly alongside ...
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0answers
32 views

Boot ubuntu but windows error appears

When I boot Ubuntu using the bootloader, it brings an error up to do with not being able to load Windows. Windows failed to start. A recent hardware or software change might be the cause. To fix ...
0
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3answers
78 views

Windows 8.1 doesn't recognize ubuntu 14.04 LTS [duplicate]

For past few days I only had ubuntu 14.04 installed. I made 4 partitions. 1st - for installing ubuntu, 2nd - for swap, 3rd - for /Home, 4th - as free space for installing windows. Now, after ...
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6answers
2k views

Install Windows 7 after Ubuntu on GPT

I have Ubuntu 14.04 on my laptop with GPT partition as one /dev/sda: Now I want to install windows 7 in a dual boot. I see this Ask-Ubuntu post How can I install Windows after I've installed Ubuntu? ...
0
votes
1answer
155 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 ...
2
votes
1answer
333 views

Cannot find root partition

I have a problem with my laptop. I installed Ubuntu 14.04 LTS next to Windows 8.1. It is the first time I am using Ubuntu. I don't know exactly what happened but somehow I damaged the Grub bootloader. ...
2
votes
1answer
805 views

Upgrade to 15.04: is it automatic? Is it safe to reinstall alongside windows?

I'm currently using Ubuntu 14.10, together with Windows 8 as a dual-boot. I installed Ubuntu first, then Windows, so Ubuntu is my "main OS". When on 23 April 15.04 will be released, will my current ...
0
votes
1answer
59 views

Dual booting kubuntu and windows 7 on two computers

I am new to linux, but loving the ride! Here is my goal and what I have to work with 1 laptop with a 120gb HDD 1 PC with a 120gb SSD, ~2tb between 2 HDDs and multiple external drives The latest ...
2
votes
0answers
115 views

How to boot encrypted windows partition

I have installed ubuntu 14.04 on a dedicated partition in my work machine. The Windows partition is encrypted with Symantec full disk encryption, and is not recognized by Ubuntu as Windows (and does ...
1
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1answer
401 views

Unique problem facing installing Ubuntu 14.04 alongside preinstalled windows 8.1 on laptop lenovo z7080

I have recently buy lenovo z7080 laptop which has windows 8.1 pre-installed. I updated all the drivers and started to dual boot alongside windows with ubuntu 14.04LTS using dvd. I did enable legacy ...