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

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0
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2answers
96 views

Can I install Ubuntu 64 bit alongside a Windows 8.1 32 bit pc? [duplicate]

UEFI is not enabled in my PC so Windows 8.1 was installed in Legacy Mode and I was wondering I could dual-boot 64 bit version of Ubuntu with Windows 8.1 32 bit PC without any problems? Also if it is ...
0
votes
1answer
141 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 ...
0
votes
2answers
715 views

How to fix a corrupted partition table?

I was running a duel boot windows 8.1 and ubuntu 14.04 when I suddenly could no longer boot my system. After booting into a live usb and run GParted I get this error: Input/output error during ...
0
votes
0answers
18 views

along side option is not showing while installing Ubuntu [duplicate]

I have windows 7 and want to install ubuntu 14.04 alongside it but alongside option is not showing. In windows 7 I have 3 Basic partition including "system Reserved" partition. I have also did a Disk ...
-1
votes
1answer
80 views

GPT - Adding Windows and dual-booting with existing Ubuntu install

:~$ sudo gdisk -l /dev/sda GPT fdisk (gdisk) version 0.8.8 Partition table scan: MBR: protective BSD: not present APM: not present GPT: present Found valid GPT with protective MBR; using ...
0
votes
0answers
60 views

(Unused) swap causing fan noise? [Ubuntu 14.10]

I was running Ubuntu 14.10 for a while without any (fan related) problems. The fan was very quiet and would blow slightly when e.g. viewing HD videos etc. Then I had to reinstall Ubuntu due to a ...
0
votes
0answers
2 views

How to safely go from dual boot Ubuntu/Win8 to single boot Win8? [duplicate]

So I had a Win8 laptop which I turned into a dual boot Win8/Ubuntu creature. Now I want to go back to solo Win8 and I want to make sure I don't screw up the boot manager things. Currently it uses GRUB ...
0
votes
1answer
39 views

Re-install working version of Ubuntu

I have an Asus laptop that I got over the summer which came with Windows 8. I installed Ubuntu so I could dual-boot, but something happened (I cannot say what it was, for I really don't know) and I ...
0
votes
1answer
36 views

Help interpreting fdisk after boot problems

I duelboot Windows 8.1 and Ubuntu on my laptop (unfortunately I can't remember which version of ubuntu I have). I today tried to boot it up and received the message "error: no such partition" when ...
0
votes
3answers
36 views

Grub2 rescue with Win7 & Ubuntu [duplicate]

I installed the Ubuntu 14.04 and a Windows 7 in the same HD. And everything was working, but I created another partition in Windows to store data. And now I can't boot. error unknown filesystem grub ...
0
votes
0answers
24 views

MacBook Pro 8,2 Ubuntu dual boot - why is the OpenGL profile low?

My GPU is AMD Radeon 6750M. I get up to OpenGL 4.1 in OS X. However I get this output from Terminal in Ubuntu: hdl@HDL-MacBookPro:~$ glxinfo | grep OpenGL OpenGL vendor string: X.Org OpenGL ...
0
votes
1answer
35 views

Theoretical question: removing the wrong entry with efibootmgr?

Efibootmgr lists Ubuntu and Windows Boot Manager, as well as two other things that say UEFI (I'll update this with better info later, I'm on mobile). If I were to accidentally remove windows or the ...
0
votes
1answer
74 views

Installation of Ubuntu 14.10 alongside Windows 7 [duplicate]

I want to install Ubuntu 14.10 64bit version in my pc alongside Windows 7 64bit OS. So I have installed Windows 7 and now when I tried to install Ubuntu, it doesn't detect any OS and shows it doesn`t ...
0
votes
1answer
66 views

Unknown file system, unable to boot from live cd

Facts are, I used to have a dual boot linux and windows 7. Tried to make grub handle bootloader, messed it up, nothing works now. I get grub rescue right from the off. No way I can boot into any ...
0
votes
2answers
85 views

Can I dual-boot Windows 10 and Ubuntu 14.04 on 2 hard drives?

Can I dual-boot Windows 10 Technical Preview and Ubuntu 14.04 on 2 hard drives, 1 SATA built into my PC and one portable HDD. I want to but I am scared it won't work. Here are my specifications: AMD ...
1
vote
0answers
288 views

Full Disk Encryption on Mac PC with EFI dual boot

Recently I installed Ubuntu Server 14.04 LTS on my Mac Mini late 2011 using the instructions in the article "Ubuntu + Mac: Pure EFI Boot". Now, I want to do dual boot in my Macbook Pro where I already ...
0
votes
1answer
99 views

Dualboot Windows 8.1/Ubuntu 14.04 No Windows Bootloader on grub2

So, I had Windows 8.1 and Ubuntu running fine on my laptop until Ubuntu updated to 14.10, after that Ubuntu could not load, just a Purple Screen and a Blinking CapsLock Key, so I booted into Windows ...
0
votes
0answers
91 views

how to recover windows 8.1 after installing ubuntu 14.04

I recently installed ubuntu 14.04 and I wanted to have it alongside windows 8.1,but after installation I couldn't choose to run windows 8.1 at all, I thought that I deleted whole OS including all ...
1
vote
2answers
89 views

I want to install Windows 7 alongside Ubuntu 14.04 but I have a problem

I am trying to install Windows 7 alongside my Ubuntu 14.04 LTS. I went through some answered questions and basically got the idea how to do it from here. First step is as follows: First, you have ...
0
votes
0answers
27 views

If I delete my disk partition withUbuntu installed, will that be sufficient to uninstall it?

I have an SSD with Windows installed on it (and nothing else), and an HDD that's partitioned into NTFS for storage and an Ubuntu installation. I want to completely remove Ubuntu from the hard drive. ...
1
vote
2answers
36 views

How to reduce the size of my Ubuntu main partition to be able to install a new OS in dual-boot [duplicate]

I would like to install windows on my system on which I have installed Ubuntu already.I went through a couple of previous answers but I understand that the first thing is to create a partition on the ...
1
vote
1answer
129 views

Unable to Install Ubuntu alongside Windows 7 (Legacy BIOS)

I am trying to install Ubuntu 12 / 14.04 (x86 & x64) alongside Windows 7. I have a bootable USB stick and when I try to install Ubuntu there is no alongside Window` option neither the Windows ...
0
votes
0answers
35 views

Troubleshooting Dual Boot: No results from boot-repair

sorry to post another one of these, but I cannot for the life of me get this dual boot to work. I am using a Sony VAIO S, which has Insyde H20. I have no issue booting from a disc or usb, but I cannot ...
2
votes
1answer
79 views

How to boot to Ubuntu ISO image on drive? [duplicate]

I can't boot to the Ubuntu 14.10 ISO I have on my drive (running Ubuntu 14.04 as my main OS btw). I added these lines to the bottom of /etc/grub.d/40_custom: menuentry 'ubuntu-iso' { set ...
1
vote
1answer
82 views

Can't reinstall grub from Live CD after reinstalling Windows

How do I reinstall grub, after I have reinstalled Windows XP on dual boot system? I have Ubuntu 14.10 installed, and I'm trying to reinstall grub from Ubuntu 10.04 Live CD. However, I cannot install ...
1
vote
1answer
54 views

Dual boot Ubuntu14.04/WIN7 separate disks

posting this question after three days searching online and trying various things. I have two physical drives (each a 480GB SSD), one with Ubuntu 14.04, one with WIN7. I would like to get a choice ...
0
votes
0answers
38 views

MacBook Pro 8,2 dual boot with Ubuntu - why is there a 2nd monitor?

After installing 14.10 on a separate partition, Ubuntu is detecting a 2nd display that doesn't exist. I can move my mouse and windows to it just as if I did have another monitor connected. If I ...
0
votes
0answers
43 views

Can I access windows 7 documents, pictures, music, etc while using Ubuntu on a dual boot machine?

I installed Ubuntu but kept my Windows 7 (dual boot machine). When I logged in the first time, into the Admin account, I could access all of my old Windows files (docs, music, pictures, etc). I then ...
0
votes
1answer
100 views

Lenovo g500s dual boot

so here goes another dual boot thread. Before anybody screams at me, I've scoured the internet looking for threads, because Lenovo apparently decides to over complicate things. So here we go: Lenovo ...
1
vote
0answers
90 views

Can't generate grub.cfg

Software Up To Date installed a new kernel for me yesterday ( Ubuntu 12.04, kernel 3.13.0-48-generic) After rebooting I ran grub customizer and got an error. Same from update-grub: Generating ...
0
votes
0answers
50 views

Blank screen after booting from USB but login sound audible

A couple days ago I've bought a new desktop PC. I installed Windows 8.1 in legacy boot mode and then I wanted to install Ubuntu 14.04 from USB stick. After the very first screen (with small image at ...
0
votes
0answers
16 views

Problems faced in Ubuntu installation [duplicate]

Sir I wanted to install ubuntu 14.04 on my HP 1000 Notebook pc in dual boot with windows 7 but I failed due to the reason that it gave an error that "No root file system is defined.Please correct this ...
0
votes
0answers
36 views

Cannot install grub fatal error

So I know this question has been asked to often. And I've tried most of them but none of them work. Tried using the boot repair and using the terminal but no good. I'm about to running dual boot on my ...
0
votes
0answers
17 views

Increase disk partition size? [duplicate]

I partitioned my laptop to dual boot Ubuntu 14.04 LTS along side Windows 8.1 and I allocated 20 GB of my 500 GB hard drive to Ubuntu. Now I want to increase the size. I just started programming and I ...
0
votes
2answers
274 views

Can't boot into Windows 8.1 from Grub menu on Ubuntu 14.04 LTS

My computer specs - 2GB RAM, Intel Core2Duo @ 2.7 GHz, 250 GB HDD. I've Windows 8.1 in partition C:\ and when installing UBUNTU 14.04 LTS, I chose the option "something else" and selected ...
1
vote
0answers
160 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 ...
0
votes
5answers
1k 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 ...
0
votes
1answer
37 views

Hide partitions on RAID0 in GRUB2

I'm trying to hide two Windows versions from each other. I know how to do this on a single drive, however, it seems to be somewhat more difficult on a RAID0. More precisely, I don't know how to ...
0
votes
0answers
123 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 ...
0
votes
0answers
39 views

Messed up bootloader and locked out of windows/xubuntu. With live CD I ran boot-repair, now windows works but not ubuntu

My computer directly boots in to Windows?. I ran boot-repair and I can see my Ubuntu partitions are unharmed, what can I do to fix my system boot-loader?
0
votes
1answer
468 views

Ubuntu 14.04.2 LTS x64 live CD or live USB doesn't boot on Gigabyte GA-H97M-HD3 motherboard

This is my PC: G.Skill Ares DDR3 1600 PC3-12800 8GB 2x4GB CL9 Gigabyte GA-H97M-HD3 Intel Core i7-4790 3.6Ghz Box Kingston SSDNow V300 120GB MSI GeForce GTX750 OC 2GB GDDR5 Seagate Barracuda 7200.14 ...
0
votes
0answers
90 views

Boot Ubuntu From VHD

I want to be able to use Ubuntu in a virtual machine from a VHD, and sometimes I want to boot on that VHD. It's easier for me to code in a virtual machine and boot on a VHD when I need full power for ...
1
vote
4answers
267 views

Dual boot Ubuntu and Windows 8.1 SSD and HDD

I have searched every where but found nothing, probably because my case is an exception. I have Windows 8.1 installed on my 1TB HDD, I have a 120GB SSD, and I have installed Ubuntu on it with 2 ...
2
votes
1answer
25 views

Need help with reinstalling grub

so I installed windows 7 after installing ubuntu, and as you may already know I can't log back into ubuntu. I tried running boot-repair but it seems to be stuck on purging the kernels (I left it for ...
0
votes
0answers
22 views

Can't boot from cd/usb- already have dual boot setup

I've got an HP g6 that came pre-installed with Windows 8. I've got it set up for dual boot with Ubuntu 14.04. I haven't had any problems with that, however, I can't boot from usb/cd. I'm familiar ...
0
votes
0answers
17 views

Problem in Grub Mod

I have made in creating a partition to install Windows 8.1, but I forgot that a hard disk can contain only 4 partitions, however when I created and when I start my PC screen put me error: no such ...
0
votes
0answers
23 views

windows 7 alongside ubuntu showing white stripes over back window

I installed ubuntu 14.04 alongside windows 7 and everything worked just fine (both systems booted normaly, everything okay with grub) Today I tried to boot windows and there was a sort of black-gray ...
0
votes
0answers
212 views

Can't able to install Ubuntu 14.04.2 LTS inside windows 7 [duplicate]

Whenever I install Ubuntu its shows me the option install Ubuntu inside windows 7 but when I choose to install inside Windows 7 it automatically restarts. My HDD is Basic.
2
votes
0answers
120 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: ...
-1
votes
1answer
39 views

I have ubuntu 14.04 on my laptop, i want to dual boot windows 8.1 alogside it

I previously had windows 8.1 preinstalled on my pc, later i dual booted it with ubuntu 14.04, then i later accidentally removed my windows, currently my pc boots from UEFI , where i still have ...