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

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269 views

error while booting ubuntu 13.10 , “mismatch in gmch_pfit.lvds_border_bits”

I'm new user of ubuntu and I just installed it using a usb stick. I did a double-boot with windows 7 and Ubuntu but when I start Ubuntu it shows this error: [drm:intel_pipe_config_compare] *ERROR* ...
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1k views

Black screen when booting Ubuntu after GRUB

So I installed Ubuntu 13.10 as the primary OS on my laptop. I installed Windows 8 in another partition and set up GRUB to be the boot loader. Eventually I updated Windows and it became a black screen ...
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1k views

Getting wifi to work on surface pro 2

I followed the instructions in Brandon Clark's answer to a question about dual booting Ubuntu and windows 8 on a surface pro. I got Ubuntu installed fine but ran into a snag getting the wifi to work. ...
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255 views

error code 0xc0000225 after installing dual boot linux

When I try to boot to Windows 8 I get error code 0xc0000225 ever since I installed ubuntu. I was using windows 8 developer preview so I don't have an installation disk disk to do a recovery. ...
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37 views

problems after installation in a windows 8 preinstalled computer

When i am installing ubuntu 13.10 it did not find any operating system in my computer,so i did the installation using something else by creating (ext4 \ for 30gb),(ext4 \boot for 200mb)and(swap area ...
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230 views

Will I lose my data is I “write MBR partition table to disk and exit” in Gparted?

I've never used Ubuntu before and I'm trying to install it. Apparently Ubuntu thinks I don't have Windows 7 installed, so I don't have the option to install it alongside Windows. I found a tutorial ...
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354 views

Can't boot into Windows 8 after boot repair

I have a Lenovo Y510P laptop and managed to get Windows 8 and Ubuntu 13.10 dual booting. But then after grub was updated, I had to run boot-repair and now I can't boot into Windows. When the computer ...
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153 views

Boot another OS from terminal

I am running Ubuntu 13.10.I had another two Os's installed on my HDD. avinash@avinash-Lenovo-IdeaPad-Z500:~$ sudo os-prober /dev/sda1:Windows 8 (loader):Windows:chain /dev/sda8:Ubuntu 13.04 ...
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169 views

How can I avoid wrecking Dell recovery partitions when installing Ubuntu?

Newbie here. :-) I've tried reading questions and answers about installing Ubuntu on a SECOND hard drive, and although I haven't done it yet, it looks straight forward and I expect to install Ubuntu ...
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41 views

My Window 7 is not showing in booting

i am using window 7 and Ubuntu 12.04 at the same time. after update Ubuntu my window 7 is not showing in the boot loader plz help me
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2k views

update-grub does not detect windows although os-prober does

I installed ubuntu 12.04 on my laptop, then windows 7, and then fixed grub with gparted livecd. now i am in ubuntu, and when i type sudo update-grub, i don't see windows detected, i see that instead: ...
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2k views

Dual boot windows 8 and ubuntu 12.04 irst, ubuntu not booting (black screen)

I'm trying to dual boot Windows 8 and Ubuntu 12.04 on amy new Asus Zenbook U500VZ with 2x 128 GB ssd in raid0 using Intel Rapid Storage Technology (Windows preloaded). After a bit of trial and error ...
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571 views

After successful install of 12.04 on Win7 system, boots to grub cmd line

I have installed 12.04 x64 on a second hard drive in a system which already has Win7 installed on the first drive. When the installation process completed, I was prompted for a restart. I restarted ...
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1k views

How do I fix dual boot startup for Ubuntu installation on Windows 8 Laptop

I have a Lenovo laptop with preinstalled windows 8 64bit- I attempted installation of Ubuntu 13.04 - however after installation I was faced with the GRUB loader. From the Grub loader if I try to start ...
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259 views

Cannot boot into Ubuntu 12.04 after adding an additional hard drive

I've installed both Ubuntu and Windows7 on my laptop, I've replaced my internal hard drive with ssd, and it worked well (both Ubuntu and Win7). However the space is just not enough so I put my hard ...
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253 views

After failed partition resize, Ubuntu won't boot. It just keeps rebooting again and again

So, here's the thing. I was moving a partition with gparted and I stupidly clicked something that crashed the program. Now when I turn on my computer and select ubuntu 12.04 recovery (with linux ...
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172 views

Which version of ubuntu for installing alongside windows 8 OR formatting windows without touching ubuntu 12.04 in its partition

I have windows 8 and ubuntu 12.04 installed alongside, within a partition each. Since I had upgraded from windows 7 after having installed ubuntu, I had no problem with the ubuntu installation back ...
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463 views

Dual Boot with WUBI Installer - reinstalling Windows

I have installed Ubuntu using a Windows installer - Wubi - as a dual boot with Windows 7. Now I would like to reinstall Windows 7. Is there any chance to retain Ubuntu? Any tweak available to make it ...
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82 views

Ubuntu is taking way longer to load on faster computer than on slower computer. Help?

I've recently installed Ubuntu 12.04.2 on an old computer I'm now using for a server. It worked great, and is much faster than Windows, so I decided to dual boot it on my computer that I actually use. ...
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408 views

Dual boot Win7/Ubuntu - GRUB menu flashes; cannot select

I have Windows 7 and Ubuntu 12.04 LTS on two separate partitions on my desktop. I used to be able to get the GRUB menu at startup when I had an older Ubuntu version (probably 10.x) but, after ...
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320 views

Installing Ubuntu on a Dell with windows 8 for dual booting

I realize many such questions have been asked and answered. BUT the answers are STILL above most peoples heads (at least mine!) I'm new to this and when the prompt says no OS detected that is where ...
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401 views

Why won't Ubuntu 12.04 LTS boot? (Dual install Win8/Ubunut 12.04LTS GRUB is appearing)

I have a laptop that I have been dual booting Windows 8 and Ubuntu on for over a month now, but for some reason Ubuntu has stopped booting. Upon powering up the computer GRUB shows up and displays the ...
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191 views

Triple booting on a MacBook Pro

I am trying to triple-boot a MacBook Pro with Mountain Lion, Windows 7, and Ubuntu. However, after attempting to install rEFit (the boot screen never appears), I booted directly onto my Ubuntu ...
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751 views

question about dual boot surface pro with ubuntu

I'm not sure if I'm doing something wrong, after I install ubuntu using a usb as suggested through this post, the installation seems to be okay, but when i reboot, it just boot right back into ...
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38 views

No sign of a dual boot after installation

I tried to install Ubuntu 13.04 alongside Windows 7..everything went well, and it said that I had to restart the system. I restarted & took out the USB, but it booted directly to Windows 7. I ...
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78 views

Not able to boot after upgrading to 12.10 in Sony laptop

I am using Windows 7 Home basic and Ubuntu 12.04 on my SONY laptop, Ubuntu is default boot OS, today upgraded to 12.10, after this not able to boot latest version of Ubuntu and previous versions also. ...
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204 views

trying to dual boot Win 8 and Ubuntu 12.10

I have been trying to install Windows 8 and Ubuntu 12.10 ( 64 Bit ) on a Lenovo twist notebook. I have now installed Windows 8 ( with UEFI, secure boot disabled ) and I am following the instructions ...
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65 views

Installing Ubuntu on a computer with two hardrives

I am trying to install Ubuntu on a desktop computer with two hard drives. The first hard drive, has all the main Windows XP files while the second is data storage. When running the Ubuntu live usb, ...
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0answers
147 views

Replace ubuntu boot menu (iMac)

I have a 21.5" iMac (Intel based), and I recently installed Ubuntu on a 90GB partition. After I installed Ubuntu, I noticed that whenever i boot my machine I get GRUB where I can select my OS (Mac or ...
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139 views

Can't boot Windows 7 after installing Ubuntu 12.04

I installed Ubuntu 12.04 64 bit yesterday and now I can't boot my Windows 7. What can I do now ?
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108 views

“Missing Operating System” - Dual boot, 12.10 on MacBookPro4,1

I followed these instructions for installing Ubuntu Dual-Boot with OSX Lion, but when I finished and restarted it said "Missing Operating System". I restarted a few more times and I got the same ...
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168 views

How can I repair the GRUB using Windows 8?

I am running on a HP Envy DV6 laptop with an AMD A8. It has windows 8. I installed Ubuntu from a LiveUSB that I created, but it wont give me the option to boot into it. I disabled secureboot and ...
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664 views

Dual booting Ubuntu with windows 8 on machine with SATA ssd cache controller ( DELL XPS )

System info: Dell XPS 8500 SE with 2TB HD and 32GB SSD SATA RAID cache I have been at this project for a couple days now and have hit a brick wall on researching the issue. I can't find an instance ...
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0answers
2k views

Dual-booting Lubuntu with Windows 8

I've got an older laptop (HP G62) that has Windows 8 as it's primary OS and I want to dual-boot it with Lubuntu. It does NOT come with Secure boot nor does it come with UEFI. I've been looking at ...
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0answers
933 views

Boot issues with Windows 8 and Ubuntu 12.10 - BIOS Setup lost!

I got a new laptop (a Vaio S series) which came with Windows 8. I wanted to install Ubuntu 12.10 alongside Windows, so I used a Ubuntu CD, booted from it and installed Ubuntu. Installation finished ...
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228 views

windows 8 wont boot after ubuntu 12.10 installation even after boot repair

I've bought a dell inspiron 660 preinstalled with windows 8. When I install Ubuntu 12.10 and use boot repair I am able to boot into ubuntu but not windows (invalid efi file path) I have tried ...
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196 views

Ubuntu won't boot after installed

I installed Ubuntu on my Compaq CQ58 (pre-installed Windows 8) with the UEFI Diabled and with a LiveUSB. I did the partitions on my pc and used 100GB for Ubuntu. Ubuntu installed and said that i had ...
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0answers
2k views

How do I find out on which partition is my Windows?

I have fully functional Windows and Ubuntu that is broken (I accidentaly broke it) and want to do reinstall. With Live-CD, I can see: 3 NTFS partitions, one ext4 and one unknown. How do I find out ...
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51 views

Installed Ubuntu on another drive, got rid of the drive, and dual boot screen is still coming up

EDIT: I am not asking how to uninstall Ubuntu. The drive it was installed on is now gone. I did not uninstall it before I pulled it out. On start up the dual boot screen is still showing up and asking ...
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446 views

Run Win7 Guest (raw disk) in Ubuntu (which was installed as Dual Boot on existing Win7)

I installed Ubuntu 12.10 on top of Win 7 as a dual boot (awesome!). I'm hoping to use VirtualBox to run my original Win7 instance as a guest OS under Ubuntu. I found this existing question and ...
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0answers
4 views

Boot Ubuntu with only the built-in Mac EFI loader?

I installed Ubuntu 15.04 on a partition of my Mac Pro's HD. I can boot Ubuntu if I use refind. I don't really like refind at all. I was wondering how to boot Ubuntu with just the Mac OS X EFI menu. I ...
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0answers
18 views

unable to boot linux

I have installed linux on my brand new alienware area 51. When I start it up it loads directly into windows. If I press F12 for options Linux is nowhere to be found. I have tried using boot repair to ...
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0answers
13 views

Switching between graphics driver in combined dual boot/Virtualbox setup

I have set up a combined dual boot/Virtualbox system with Windows 8 as my main OS and a Ubuntu 14.04 LTS hard drive which can also be accessed as a virtual machine by VirtualBox using this guide. ...
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14 views

how to add win to boot menu

I have 2 hard drives, 1 wit win and 1 with ubuntu how to easly add win to boot menu? I've installed grub customizer, can it be done by that program?
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14 views

Can't boot any live cd anymore

I have a dual boot setup on a UEFI machine, and until today I had no problems with this setup. However couple of days ago I tried installing Fedora 22 Beta. I was able to boot to the menu with: ...
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12 views

Can't boot to Ubuntu after changing motherboard

My computer was no longer booting, so I took the hard drives out and I put them in a different computer (i.e I swapped motherboards). I had a dual boot Windows Vista OS and Ubuntu 10.14 (I think). For ...
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18 views

Installing Grub on a cloned SSD with W8.1 and Ubuntu 14.04

First af all sorry if its to obvious but i'm a newbie. I have a regular hard drive with Windows 8.1 and Ubuntu 14.04 currently using grub as bootloader and I want to replace the HD with a smaller ...
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0answers
17 views

Ubuntu on Chromebook

So, I recently bought a Toshiba Chromebook 2 and have I've tried everything to wipe Chrome Os off the SSD or to "Legacy Dual Boot" to run a full blown Linux Distro. So in my efforts to get a full ...
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0answers
20 views

error after creating partition

I have a duel boot pc windows7 and ubuntu 14.04. windows is installed in c:/ and ubuntu in on d:/. I had shrinked the volume of c:/ and created a partition named e:/. Then after restart I get the ...
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26 views

Using Wubi to install directly into a blank partition?

My intention is to shrink my current windows partition to make a new fresh partition into which I can install Ubunutu. I currently don't have access to anything that I could use to create a bootable ...