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

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38 views

Ubuntu won't boot from USB Stick on my PC - Black screen - But boots on another PC

My PC is running Ubuntu and Windows. Now I installed Ubuntu from a CD on my PC to a USB Stick successfully. I went to another PC and I could boot to Ubuntu from it (grub menu was showing) and ...
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15 views

Upgrade Ubuntu without GRUB

I have a very odd setup and I would like to upgrade my Ubuntu installation while maintaining this setup. Here's the situation: My actual HDD (let's call it "sda") has a Windows installation on it, ...
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50 views

Problem with Dual booting Ubuntu and Windows 8.1 (the selected boot device failed)

I have a laptop (HP 250 G2) that currently runs Windows 8.1. I wanted to dual boot Ubuntu 15.04 with the Windows 8.1. I have tried both live CD and external hard disk but I keep getting this error: ...
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22 views

update-grub does not see another linux

I've installed Gentoo from Ubuntu on /dev/sda4 using this tutorial, which uses Ubuntu instead of LiveCD. But tutorial did not have anything about updating GRUB. So I did it as usual: sudo ...
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30 views

Boot Repair Ubuntu 14.04-(HP g7 pavilion 2247us)

I have a HP g7 pavilion that came with windows 8. I have installed Ubuntu 14.04 using Pendledrive (I think the spelling is correct).EDIT: I will be using YUMI exclusively from this point on to ...
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46 views

How to Dual Boot Windows 7 and Ubuntu 14.04. Option “Install Ubuntu Alongside Windows 7 does not show up”

sorry to open a new thread with the same and question again and again, but people wouldn't open it again and again, if Ubuntu would work out of the box like the tutorials explain it to work. I have ...
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16 views

windows 7 failes to boot afetr installation of ubuntu

I'm trying to install Ubuntu 14.04 with Windows 7 system. After the installation I can't boot into Windows 7 system, when I select the Windows 7 boot loader in GRUB2, it hangs for seconds and then ...
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59 views

Need to press the power button twice for Ubuntu 15.04 to boot

I have a dual boot set up (Windows 7/Ubuntu 15.04). I've recently upgraded from 14.04 LTS to 15.04 and since then, I have to press the power button twice. The first time it goes to GRUB without any ...
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59 views

Ubuntu 14.04 Does Not Recognize Mac OS X During Installation

I am trying to install Ubuntu 14.04 on my Macbook Pro 6,2 (mid-2010) alongside Yosemite. Using this handy guide, I installed rEFInd and made a bootable USB drive. I had some problems starting the ...
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51 views

Trying Ubuntu Forever

I installed Ubuntu on my HP Pavilion Notebook, but it had a Low-graphics mode error, which meant I couldn't use it forever. So, then I started my machine using Try Ubuntu, and it works like charm. ...
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72 views

How to Restore Windows after Ubuntu Installation

I installed Ubuntu 14.04.2 LTS on my Desktop PC , which had Windows 8 installed before that. Windows 8 now shows in the boot menu but when I click on it, it goes to blank screen with a command ...
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53 views

Ubuntu and Xubuntu freezes before login screen (purple screen)

I tried both Ubuntu and Xubuntu (14.04, 64 bit, dual boot with Windows 8) When I select Ubuntu from the boot menu, it freezes. But when I choose "advanced options for Ubuntu" and select and older ...
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77 views

Something's wrong with my grub.cfg

I know that's pretty generic, but... I installed updates, which included a new kernel. I removed an old kernel and got: joliver@JOHN-DEV:~$ sudo apt-get purge linux-image-3.13.0-46-generic Reading ...
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0answers
12 views

'Bus cycles' unavailable

Sometimes when I am booting I stuck on this... And nothing happens. I have windows in dual boot and it doesn't boot either. Now I booted when I pressed and hold power button but not as long as I want ...
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31 views

Ubuntu 14.04.02 LTS Workstation Installer Doesn't Recognize Windows 7

I'm a new user evaluating Linux distros. I have a Dual Boot system (Windows 7 and Fedora 21). I would like to install Ubuntu into the partition currently occupied by Fedora (/dev/sda3). The Ubuntu ...
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0answers
34 views

Not enough space for upgrade error ( even though space is available)(14.10)

I have recently installed Ubuntu 14.10 (64 bit) alongside windows 7 (In a different partition). The partition ubuntu is installed is 60 GB in size. When I tried to upgrade to 15.04 version, I had an ...
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0answers
29 views

How to I get Ubuntu installation to recognize my Mac OS?

I have a late 2013 Macbook Pro running Yosemite 10.10.13. I installed 14.04.2 LTS on a USB and am able to boot into Ubuntu. I left 100 Gb of free space on my 1Tb Apple SSD for Ubuntu. When I go thru ...
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22 views

Can I remotely choose and control Grub on an Android device?

This may seem awfully ambitious or like complete nonsense as it probably is. Is it possible for me and others who have dual booted and use Grub to remotely control Grub and select which system to ...
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27 views

Struggling to boot back into windows after installing ubuntu 14.04

I have a question, and hold on, could be a long one. Previously, I have dual booted my computer with linux mint 17.1. I do not know how I bypassed Uefi, but I somehow disabled it. So, previously I ...
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22 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 ...
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106 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 ...
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173 views

Cannot install Ubuntu - stuck at 'Installation Type'

I am trying to install Ubuntu on my computer, but am stuck at choosing the device and partition to install to. I have three harddrives, one of them was going to be dedicated to Ubuntu, but two of the ...
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115 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 ...
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67 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 ...
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82 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 ...
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37 views

Full switch from windows to ubuntu?

Recently I partitioned my hard drive an allocated 60 GB of space to an Ubuntu dual-boot. However, I realized I've spent the majority of my time on Ubuntu and would like to replace windows with Ubuntu ...
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45 views

not able to boot any OS windows 7 or Ubuntu

My problem is that i can't boot to Ubuntu but i have Ubuntu installed. The problem is that by default is booting for Windows7 that is not working. And so i can't run any OS. My question is using ...
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64 views

GRUB2 booting raw hdd disk image via loopback

First of all, i tried to google, but only found how to's for booting iso files with grub via loopback. Im running linux mint 17.1 64, up to date. i have a complete dd image of a 128GB SSD with ...
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62 views

Strange boot issue (purple screen)

I'm somewhat of a noob when it comes to this kind of stuff, but I am a computer science student so I am familiar with operating systems. Anyway, I'll try to be as detailed as possible in describing ...
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0answers
181 views

How to disable Secure Boot in Asus Z97i Plus to dual boot Ubuntu / Windows 8.1?

In Windows 8.1, I created a bootable USB drive with Ubuntu 14.04 on it. I've installed ubuntu on a partition of the SSD drive. Win 8 is installed on a different partition of that SSD. Problem: the ...
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79 views

Booting Ubuntu from USB

I have tried a persistent installation of Ubuntu 14.10 on my PNY 32GB USB2.0 to use as a portable OS to boot my PCs. Everything is alright. I can boot my two PCs with the flash drive, however, as ...
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97 views

Ubuntu grub not showing. Oprating System not found

I had a dual boot (Windows 7 and Ubuntu 14.10) sony vaio corei3 from 4 years till now. Usually I was working in windows and one week ago I had a fresh Ubuntu 14.10 installation. Last night I updated ...
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91 views

Windows 8.1 Dual Boot Ubuntu 14.04 - dmraid and fixpart

I'm trying to install Ubuntu 4.14 on dual boot with Windows 8.1, but when beginning the LiveUSB the Ubuntum, the partitions created by Windows 8.1 are not recognized, reports that all is HD as ...
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258 views

No “Install Alongside OS X” option when installing Ubuntu

Problem I have is that when I run through the install procedure I do not get the “Install Alongside OS X” option. I have an IMac 21.5” mid 2011 running OS X Yosemite 10.10.2 Version of Ubuntu I wish ...
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0answers
73 views

How to repair grub to work with multiple hard drives?

On my computer I have multiple hard drives. One of them has Ubuntu 14.10 and the other has Windows 8.1. I messed up my boot loader and know only Ubuntu appears in the grub list. Windows 8.1 is on the ...
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0answers
141 views

Cannot get grub to show up (directly boots to Windows 7 instead)

Every time I try to boot, my computer goes straight into Windows 7. I had Windows 7 installed and installed Ubuntu 14.04 afterwards, but grub does not show up on boot. Tried holding shift, messing ...
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97 views

Windows 8.1 OS not detected when installing Ubuntu 14.0.4

I am trying to install Ubuntu 14.0.4 alongside Windows 8.1, but I do not get that as an option when installing. Instead I get a message saying that there is no current OS detected. I have gone ...
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116 views

Ubuntu Boot error: NMI watchdog: enabled on all CPus

So, I cannot get Ubuntu to boot on my laptop: I insert my flash drive and change the boot priority and the normal screen of "try Ubuntu before installing" appears. That is what I select. 95% of the ...
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20 views

Unable to install Ubuntu or any other distro Alongside Windows

How do I proceeded with Ubuntu installation? Made my USB drive bootable with Rufus. Restart and booted from USB. I see the Ubuntu installation window, clicked next, selected both options Download ...
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109 views

Ubuntu wireless got disconnected when far from router

I finally did install Ubuntu 14.04 on my Asus notebook. Now, my laptop is on dual-boot Windows7 and Ubuntu. All is working well, however, after getting the updates sudo apt-get update and setting up ...
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151 views

Extended Partition (Partition 4) does not start on physical sector boundary for a dual boot system

I have recently installed both windows and linux (64 bits). Upon typing sudo fdisk -l I get the out put below. Disk /dev/sda: 500.1 GB, 500107862016 bytes 255 heads, 63 sectors/track, 60801 ...
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136 views

grub menu does not show windows 8 option after installing kubuntu 14.04

I recently installed kubuntu 14.04 on my machine that had windows 8.1 pre-installed.However, after restarting the system the grub menu does not show windows 8 option. I've already tried updating the ...
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0answers
171 views

Setup FakeRaid Raid1 for data only for Ubuntu 14.10 and Windows 7

I want to create a FakeRaid RAID1 array of two hdd's that are being used only for data, no OS's on them. My OS's are Ubuntu 14.10 and Windows 7 which are each on seperate hdd's. Almost all of the ...
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33 views

Kubuntu cannot start, I'm thrown into busybox

What I did Changed the HD from my previous sony lap to a Lenovo P580, added the Windows drivers required and that worked, I did not check Kubuntu at this time but Grub2 was working. Several months ...
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111 views

Rebuild Windows RAID 0 for permanent use in Ubuntu 14.04

My old PC (Core i7 920, Asus P6T-SE, 6GB RAM) recently suffered a motherboard hardware fault. The 2TB RAID 0 array containing the Windows installation and mostly media library was no longer ...
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171 views

Dual boot W8.1 and Ubuntu 14.04 on SSD/HDD

I recently bought a new laptop which has an 8 GB ssd and a 1 TB HDD, pre-installed with W8.1. I'm used to creating a partition on a HDD to install Ubuntu on. However, with the new SSD I'm not sure as ...
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61 views

Ubuntu dual boot Yosemite issues

I'm running a dual boot (mac os/ubuntu-12.04) on my mac book pro. Yesterday I upgraded to Yosemite and the boot loader went to pot. I used rEFInd to reinstall using the following ...
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94 views

Lubuntu hangs on “Preparing to install Lubuntu”

To give some background details, my computer runs 64-bit, I'm installing Lubuntu alongside Windows 8.1. I can sucessfully boot into Lubuntu's CD, and I reach the requirements to install Lubuntu, and I ...
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70 views

Triple booting Chromium Os, Ubuntu 14.10, Windows 7

I have a lenovo L410, with windows 7 professional pre-installed. On this, I have dual booted Ubuntu 14.10. Now, I want to triple boot with chromium os, but as I have a lot of stuff, I dont want to ...
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76 views

Lost+found folder still present even after reformatting partition - how to remove?

I'm trying to reorganize the partitions on the 2 HDDs that I have on my system. One of the partitions (ext4) is 883 GiB (according to gparted) and apparently has 14 GiBs used. However, if I mount ...