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
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 ...
0
votes
1answer
10k views

Booting Win7/12.04 — what do I need for EasyBCD?

I've tried installing 12.04 about three times now into a 150GB partition on the same HD as Win7. No luck so far -- the install always seems to work, but I never get a boot option. The 12.04 live CD ...
34
votes
3answers
7k views

Is Ubuntu destroying my internal HDD?

I have an Inspiron 3521 that came pre-installed with Windows 8.1. I decided to dual-boot Windows and Ubuntu, and it was working good. But, when using Ubuntu, I heard a lot of noise from my laptop ...
12
votes
3answers
24k views

What is the use of /boot (lvm based) in partitioning?

As separate /home partition helps in easy reinstallation/upgrade. Does having /boot help while dualbooting with windows? I mean is it useful for normal desktop/notebook users or it is advanced ...
9
votes
5answers
26k views

How to switch between Ubuntu and Windows 7 without a reboot

I have installed windows 7 and then Ubuntu 11.04. Now I want to know how I can switch from Ubuntu to Windows 7 and from Windows 7 to Ubuntu without restarting the computer.
8
votes
2answers
692 views

How can I “reboot into” the non-default operating system in a dual-boot configuration?

When I need to use Windows, I: Reboot Wait for the Grub boot menu to appear Choose the Windows menu item in Grub Is there a way to just "reboot into" Windows so that I don't have to stay at the ...
7
votes
1answer
12k views

Dual boot (Win 7 & Ubuntu 13.10 clock problem [duplicate]

I'm a "newbie" to Ubuntu, but I've been wrestling with this problem for several hours and don't seem to be able to solve it: When I set the time in Windows (Indianapolis, Eastern U.S. time zone) and ...
2
votes
3answers
2k views

Can a Windows 8 partition be mounted in Ubuntu if “fast startup”is switched on?

I'm aware that when a Windows session is hibernated, its disk partition cannot be mounted in Ubuntu. By default in Windows 8, a hybrid shutdown/hibernate feature is used (fast startup) which ...
2
votes
5answers
17k views

How to remove duplicate entries in Grub menu?

After today's update, Ubuntu asked me to replace some files and I blindly accepted. After I restarted PC after the update, I saw duplicate entries in the grub menu: Here's the image of the grub ...
9
votes
2answers
15k views

Macbook Pro Ubuntu install freezes after grub menu

I am trying to install Ubuntu 14.10 (also tried 14.04.1 LTS) on my 2009 Macbook Pro 5,2. I have installed rEFInd, I have made a bootable USB as instructed on the Ubuntu site. I can get to the grub ...
9
votes
2answers
7k views

Nexus 7 dual-boot with android?

Is it possible to install Ubuntu in parallel to Android on the Nexus 7 (dual-boot), or not? If not, how hard would it be to add the feature? It should be just a matter of adding another partition and ...
9
votes
4answers
3k views

How to avoid problems when installing Ubuntu and Windows 7 in dual-boot?

I want to try out Ubuntu (and hopefully choose it as my primary OS). After looking at many versions of it in VirtualBox and from Live CD, I've finally decided to install it. So I defragmented and ...
8
votes
3answers
15k views

How can I install elementary OS on Ubuntu?

How can I install the components that make up elementary OS on Ubuntu?
5
votes
2answers
16k views

Removing entries from UEFI menu with efibootmgr

I would like to find out how to remove OSes (distros) from UEFI boot menu when you have entries with letters and asterisks. I'd try it myself before asking but I'm not too techy and fixing the mess ...
4
votes
5answers
11k views

“A Disk Read Error” while starting Windows after Ubuntu upgrade + Boot Repair

I just upgraded to 12.10. After installing the files and rebooting I had come across following problem: error file not found grub rescue> _ This problem was easily solved by repairing the boot ...
3
votes
2answers
11k 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 ...
3
votes
1answer
6k views

Having Trouble adding UEFI entry using efibootmgr

I am trying to rename the boot label of ubuntu. In order to rename the label, I have to delete the entry and create it again. However efibootmgr seem to not recognize the correct partition. Here is ...
2
votes
2answers
18k views

Windows 8 & Ubuntu 12.04 Dual Boot Menu Does Not Load [duplicate]

I've read abt the ton of complications/problems ppl are facing with UEFI when installing Ubuntu alongside Windows, but I haven't been able to find a solution to the one I encountered. I have a ...
2
votes
3answers
18k views

Dual booting Ubuntu 12.04: UEFI and Legacy

I'm trying to dual boot Ubuntu 12.04 (or 12.10) with Windows 8 on a new Sony Vaio, but have run into some problems :) Specifically, my problems seem to come from choosing UEFI or Legacy as the ...
1
vote
2answers
1k views

Can't boot after deleting EFI boot- and Windows-partition

I got an HP Split x2 with Windows 8 pre-installed. I deleted it, and installed Ubuntu. However, I was wanting to play a few games that didn't work too well on wine, so I created a NTFS partition and ...
1
vote
5answers
81k views

How to delete grub entirely from grub rescue. Boot windows only

I had installed ubuntu (twice actually) onto the same drive. I wanted to 'try again' since one of them didn't install correctly and the other installed differently, but it worked. I was getting ...
0
votes
1answer
3k views

Triple boot Win 7, Ubuntu 12.04, Fedora 16

I have an HP with a 160GB SSD Primary drive and a 500 GB Secondary drive. I shrank the 500 GB partition to create space to install Ubuntu 12.04 and Fedora 16. I started by following this tutorial ...
18
votes
6answers
11k views

To use Windows and Ubuntu on one computer, which should I install first?

I understand it's possible to install Ubuntu first, and later Windows or to install Windows first, and then Ubuntu, but assuming I have the freedom to do either, which is the better, easier, and more ...
7
votes
4answers
30k views

Installed Ubuntu 12.04 and no Menu on boot!

I had installed Ubuntu 12.04 on a separate partition, in ext4 format in my comp, which initially had only Windows 7. I had done the installation from a Live USB, which gave me the option Install on ...
6
votes
3answers
32k views

How do I Dual Boot Windows 8 UEFI and Ubuntu 12.10? [duplicate]

I have got a new Samsung Series 7 laptop with Windows 8 where I tried to install Ubuntu. It is a 64-Bit system which uses UEFI and has "Secure Boot" switched on in the BIOS by default. After I ...
4
votes
2answers
5k views

How to remove dual boot menu?

I used to dual boot Ubuntu with Windows 7. I got rid of Windows and also deleted the partition where it was installed. Now, in the dual boot menu Windows 7 is still available, and listed as first ...
4
votes
3answers
15k views

Cannot boot to Ubuntu, though installation was successful

I installed Ubuntu 12.04 on an HP Pavilion H8-1228 computer via USB flash drive. Installation was a success. My computer still starts Windows, but there is no way to boot to Ubuntu. I tried hitting ...
4
votes
1answer
3k views

Cannot dual-boot Windows 7 and Ubuntu?

I had Ubuntu 11.10 on my laptop, then I determined to install Windows 7 and keep both of them on my machine (dual boot), then I installed Window 7. And then Windows 7 was running, but Ubuntu didn't ...
4
votes
5answers
11k views

How to share partition between Windows and Ubuntu?

I'm getting a PC with Windows and I want to dual boot using Ubuntu as my primary OS. I want to create a Home partition to store all my files and hopefully be able to access them on Windows 7 without ...
3
votes
1answer
3k views

How to change files permissions from a different hard drive?

I installed yesterday ubuntu 11.10 on my 80GB hard drive and i can't change files permissions on my second hard drive. How to fix this? ps: i have dual-boot with win7 mount: /dev/sda5 on / type ...
3
votes
3answers
2k views

Restore Grub - Cannot Find File

I had Ubuntu and Win 7 on different partitions. And then i formatted partition which containing Win 7 and reinstall Win 7. And then dual boot screen disappeared. I'm following tohuwawohu's answer. My ...
2
votes
2answers
2k views

Dual boot ubunuty/windows 10 partition on Dell xps 13

I have a new dell XPS 13 with 500 gb SSD and I want to partition in and install Ubuntu alongside windows 10. Ubuntu for me is primarily for work and I might use it quite a bit, but I am not a Ubuntu ...
2
votes
1answer
184 views

How to get Ubuntu installer to sense Windows 8.1 as an OS [duplicate]

When I go to install Ubuntu so I can dual boot Ubuntu with windows 8.1 on my Toshiba Satellite C55 the Ubuntu installer does not sense My pre-installed windows 8. I referred to these guides: UEFI ...
2
votes
1answer
8k views

GParted and Ubuntu installer does not recognize Windows partition, but Ubuntu does

So, I'm trying to set up a dual-boot of Windows 7 Ult 64-bit with Ubuntu on my computer. The computer has UEFI firmware and originally came with Win 8. It has a 16GB SSD and a 1TB HDD. I intend for ...
2
votes
2answers
4k views

Would like to install Ubuntu on secondary hard drive within my computer

Okay, so here's the story. I am trying to install Ubuntu 13.04. I currently have a 2TB drive in my computer where Windows 7 boots from, and a secondary 500GB drive that also has a bootable ...
2
votes
1answer
5k views

How to boot multiple OS from one external hard drive?

I have a Western Digital external hard drive that has plenty of space for more than one OS. I currently have three partitions one 250 GB for backups one 100 GB with Ubuntu and 500 GB or so ...
2
votes
2answers
14k views

How to Install Ubuntu 12.04 with Pendrivelinux?

What are the steps to install Ubuntu 12.04 with Pendrivelinux, universal USB installer exactly?
1
vote
1answer
145 views

How do I mount an eCryptFS encrypted partition on login?

I want to mount my old encrypted home partition when I login to my new installation. The homes use Ubuntu default encryption (eCryptFS). Both my old and new installation use the same password. How can ...
1
vote
1answer
394 views

how to exit emergency mode and boot to default mode?

When i started my laptop i watched the message on my screen. That message is: Welcome to emergency mode! After logging in,type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, ...
1
vote
3answers
14k views

How to restore Windows 7 loader

I have this situation: I have Windows 7 installed on my laptop. Then decided to install Ubuntu 12.10 alongside it. The installation was successful and I'm able to have a dual boot, Windows 7 and ...
1
vote
2answers
3k views

Dual Boot Installation with Win7 - Install Ubuntu in New Partition

Under Win 7 I created a new 100 GB disk partition (L:) to install Ubuntu 12.04. I then rebooted from the Ubuntu install CD, selected "Install side by side" and now I'm stuck. I end up at the ...
1
vote
1answer
5k views

Windows 7, Windows 8 entries missing after reinstalling grub

I originally had Windows 7 and Ubuntu 12.04 installed. After I installed Windows preview on a logical partition, the Windows boot loader showed only Windows 7 and Windows 8, there was no option to ...
1
vote
2answers
10k views

Dual Boot issues with Windows 7 and Ubuntu

I'm finding myself in a rather unique situation. I've read through just about every resource I can find about this and while things have helped me understand some background, I haven't yet been able ...
1
vote
2answers
683 views

Partitions for dual boot install with Windows

Following is the layout of the current partitions of my single hard drive viewed from Windows 7: C: has Windows 7 system files and my personal data; Q: for Lenovo recovery; SYSTEM_DRV: for Windows ...
0
votes
2answers
827 views

Install Windows Alongside Ubuntu 14.04 on Second hard Drive

Currently I have Ubuntu 14.04 installed on one hard drive, and I'd like to install Windows onto a second hard drive. I've read that I need to boot into a LiveCD, usually I'd use my memory stick for ...
0
votes
2answers
323 views

Multi-choice memory stick? [duplicate]

Now, with large memory sticks being cheap, I think it would be nice to have many or all official flavours available on one memory stick. That is; you boot from a memory stick and get a menu which lets ...
0
votes
3answers
3k views

In setting up dual Boot with Windows and Ubuntu, which OS do I install first?

I'd like to install both Ubuntu 12.04 and Windows XP on a Dell laptop, and I was thinking about using a dual boot structure, and using the bulk of my hard drive as empty hard drive space to share ...
7
votes
2answers
23k views

Dual boot Ubuntu (14.04) with Windows 10

I have a Windows 8 system and was about to install Ubuntu 14.04 in dual boot mode, when I heard about Windows 10 releasing. Now that the Windows 10 has rolled out, I would like to know whether doing ...
5
votes
3answers
14k views

Dual boot menu not showing after installation of Ubuntu 12.04

Before installing Ubuntu 12.04, Windows XP with three drives were there. I've installed Ubuntu 12.04 64 bit in of the three drives which I've mentioned above, installation went fine but after ...
5
votes
2answers
3k views

Ubuntu won't boot with Windows7

I installed Ubuntu 12.04 LTS on a hard drive, and after that on a different partition on the same hard drive with windows7. In both cases, after Ubuntu finished installing, the computer reboots, and ...