Installation or use of multiple operating systems on a single computer.

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Dual operating system, cannot boot Windows 8, tried Boot-Repair-Disk and Windows repair, GRUB, EFI

I used to have one hard drive(1TB) with Windows 8(64bit) installed, then i added a new hard drive(256GB) and tried to install Ubuntu in it. After installing Ubuntu to the new hard drive, I can only ...
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2answers
20 views

How to dual boot a notebook computer with windows 8.1

I was wondering if can dual boot with a Samsung Notebook with windows 8.1 and no disk drive, because i really want to try another OS. Thank You if you can help!
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0answers
22 views

Boot error: 0xc0000225. winload.efi. JUST SOMETIMES?

I recently bought a new SSD for my laptop and made a clean installation of windows 8.1. After leavening some unallocated space, I've installed the latest Ubuntu version on it, having a dual boot. ...
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0answers
36 views

Add windows partition to grub2 boot loader in centos 7

I had windows 7 installed on my laptop. Then I installed centos7. Installation completed successfully, but when I reboot I can see only centos and centos recovery. I did not see windows partition. ...
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0answers
27 views

Dual boot windows and linux and hyper-V

I'm a student networking and for the windows part we will have to set up some networks using Windows 8 and Windows Server 2008 R2. We will need to use Hyper-V. My laptop is currently in a dual boot ...
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0answers
8 views

Can I make two different operating systems share the same folding@home work?

I have a dual-boot computer with both Windows 8.1 and Ubuntu, with a mutual drive with label Mutual. Since I like contributing to folding@home, I have the software on both operating systems. However, ...
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1answer
42 views

How to install Windows in a fresh formatted hard drive?

I was having problem concerned with dual boot of Windows and Ubuntu because I had Ubuntu already installed in my system. Well, there was something wrong with my boot/efi partition's VBR or my hard ...
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0answers
23 views

How to make Android x86 bootable again?

I have an old ASUS eee PC 1000 with Lubuntu installed on the larger 30 GB disk (sdb) and Android x86 (stable release 1) on the smaller one (sda). Android x86 was installed first as has been ...
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0answers
19 views

reinstalling windows 8.1 on dual boot system

i've two operatig systems installed on my pc, 1) windows 8.1 and 2) windows 7. now i want to reinstall windows 8.1 without uninstalling windows and 7 and vice versa, means is it possible to install ...
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1answer
23 views

Installing newer version of linux over an older version on a windows dual boot laptop?

I have an Asus laptop, with a recovery partition and windows 7 installed. I installed Linux Mint 13 on it, dual-booting it with Win 7. Now I want to remove Linux mint and on the same partition space ...
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1answer
28 views

Dual boot and SSD

I've recently bought an SSD to install Linux and a few other things. My current OS is on another SSD and am hoping to use both SSDs at the same time. However, if I do install Linux on my new SSD (as a ...
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1answer
56 views

Grub menu dosent appear. Boots directly to windows 8.1

I have been struggeling with a problem for a couple of hours. It feels like I have tried everything but nothing works. I installed linux mint 17 alongside with windows 8.1. I turned off fast boot and ...
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1answer
37 views

Installing Linux Mint on a PC with Windows 8 and dual boot

How do I install Linux Mint 17 on the same computer that is running Windows 8 and then make it dual boot?
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0answers
15 views

Windows entry in grub menu

I've installed encrypted windows/linux dual-boot. After installing aplication "startupmanager" from debian repo, the grub menu was modificated and windows entry dissappeared. As the windows is ...
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0answers
13 views

UEFI boot into last used os

I have windows 8.1 side to lubuntu. There is option in uefi to boot by default to the last used operating system? (I don't want to use grub or windows boot manager)
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2answers
60 views

How to install Grub2 to multi boot two Windows 7 for booting from two different HDDs?

I own a HP DV7 laptop that supports 2 HDDs. I have installed Windows 7 on each HDDs separately, each one with their own bootloaders, who do not communicate with each other. The problem is that when I ...
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1answer
19 views

Dual partition Linux Mint/OS X. Mint booted fine at first and now fails.

I'm attempting to dual boot my MacBook Air (1.3 ghz intel core i5) into OS X (v 10.8.5) and Linux Mint ("Quiana", Xfce edition). I installed rEFInd, rebooted and installed Mint from a USB, and ...
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0answers
50 views

Windows 7 hangs at “Starting Windows” screen when dual-booting with Ubuntu

I just installed Ubuntu 14.04 in a dual boot configuration. I have my original Windows 7 installation on my C: drive and the new Ubuntu 14.04 installation in a partition on my d: drive. GRUB shows ...
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1answer
21 views

Get rid of Debian on a dual disk dual boot?

I've got dual disks, Windows 8.1 64-bit installed on my 500GB HDD, and Debian Jessie installed on my 1TB HDD. Can someone walk me through how to wipe that disk and get rid of GRUB, too? I know how to ...
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1answer
136 views

How to recover Windows Boot Manager after a Mint installation gone wrong

Yesterday, my cousin wanted me to install Linux Mint onto his Windows 8 Lenovo laptop so he could dual-boot Linux Mint and Windows 8 so he could get some hands-on experience with Windows 8. I've ...
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1answer
37 views

my multi boot can't boot to XP 'resumeobject' is missing

In my multi boot set up, booting to vista and 7 goes fine, but when I try to boot to XP, i get an error Windows failed to start. A recent hardware or software change might be the cause. To fix the ...
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1answer
76 views

Linux Mint Constantly freezing on Dell XPS L502X

I recently partitioned my hard drive to dual boot the existing Windows 7 with Linux Mint because I am tired of using Windows, especially the lack of terminal. I want to eventually remove Windows 7 and ...
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0answers
64 views

Booting Windows 8.1 produces orange screen with white stripes before rebooting

I am getting an orange screen with white vertical stripes with what looks like a cursor at the top left, exactly as in this question. I am trying to log in to Windows 8.1 I have been getting this for ...
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1answer
66 views

how to skip grub dual boot option menu entirely (without picking an OS to boot)

I'd like to skip the entire Grub 2 interface, where I have to decide booting Linux or Windows im running linux ubuntu lastest version (14.04.1 LTS) and windows 8.1 both 64 bit versions. I've ...
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1answer
28 views

Will Windows repair my multi-boot when I format the 1st physical partition with boot sector?

Due to historical reasons I got a laptop with Vista, Windows 7 and Windows Server 2008R2 partitions. (boot from external wasn´t that viable) Nothing (Windows Repair, bootrec /whateveroption) worked ...
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1answer
2k views

No boot menu for Ubuntu 14.04 after dual boot installation

I assume, this is not a duplicate post. Please read my findings below before assuming so. I have gone through several questions over the Internet regarding people complaining that they are not ...
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1answer
35 views

Windows 8 usb boot install never works

I have two usbs, one with win 7 on it and another I have been putting win 8 installs on The win 7 stick works in all systems but the win 8 won't work with only one The evil PC is a gigabyte amd ...
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1answer
34 views

laptop only boots with usbstick

In short: I can't boot my laptop. It will ONLY boot when I insert a RescueLiveBootUSB, it then shows the normal bootmenu. Longer description of the problem: After moving/resizing the partitions, I ...
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1answer
58 views

How to save Windows license before installing Ubuntu

I purchased a new Lenovo Thinkpad L540 laptop. This laptop was supposed to be installed with Windows 8 pro but instead it came with Windows 7 Pro with an option to upgrade to windows 8 Pro. Now they ...
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2answers
174 views

How to configure dual boot NixOS with Mac OS X on an (U)EFI MacBook?

I could not find any description of configuring dual boot of NixOS and Mac OS X on an (U)EFI MacBook. I am willing to experiment, but i would like to know at least that what i will try is supposed to ...
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0answers
110 views

Dual boot Ubuntu 14.04 and CentOS 7.0

Problem in installing Ubuntu after CentOS 7.0: I have a laptop with a hard disk around 170Gb. After installing CentOS 7.0 I tried to install the Ubuntu 14.04 alongside with the CentOS 7.0. The Ubuntu ...
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0answers
25 views

Shared NTFS logical partition unaccesible from Windows 8.1

I asked this question a while ago but it got lost, so I deleted the previous one and created this new one with updates from the comments. I just installed Windows 8.1 in a partition of my Lenovo ...
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0answers
31 views

How to boot into a Linux, non-primary partition if Windows bootloader is on the MBR

I have Windows 8.1 installed in legacy mode/BIOS mode (ie: Not UEFI at all). Windows 8.1 is installed in the primary partition (ie: first). I (intend to) have linux installed in a second partition on ...
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3answers
58 views

Remove an Operating System From my Dell Inspiron laptop [closed]

My laptop has two windows 7 on it with each one having its own account and password. For me to log on to another account, I have to shut down and move to another operating system. What can I do to ...
0
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1answer
112 views

cannot boot after adding grub menu entry

I have Fedora 20 and Windows 8 installed. I wanted to be able to dual-boot. But when I selected Windows Boot Manager in grub menu, i got: 'error file /EFI/Microsoft/Boot/bootmgfw.efi not found' I ...
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0answers
99 views

CentOS 7.0 USB cannot be recognised by Ubuntu-installed machine

Wish to dual boot Ubuntu 14.04 LTS and CentOS 7.0, I have planned to first install Ubuntu 14.04 LTS by live USB into a laptop computer (boot both UEFI and legacy with UEFI first), followed by CentOS ...
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3answers
60 views

Grub rescue, unable to boot windows

I have windows vista and backtrack Linux installed on my dell PC. I wanted to uninstall backtrack so I delect the partition, but when I try to boot widows again, the grub rescue> shown up. I can't ...
0
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1answer
35 views

dual boot Windows xp and Windows 7 from the same partition

After installing Windows 7 (ver. Enterprise 64-bit) my old Windows XP installation has been moved to the "Windows.old" directory. Now I know it is possible to restore and boot Windows XP again by ...
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1answer
496 views

How can I completely remove rEFInd from my Mac?

I installed rEFInd to have Ubuntu on an external drive, but no luck. Now I have decided to completely remove rEFInd from my Macbook Pro. I removed the folder /efi/, but the boot manager keeps ...
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0answers
24 views

Windows 8.1 on 2 drive accessible from first?

I'll explain this as well as I can. I've got a SSD 250GB and Sata3 HDD 500GB. I'm using windows 8.1 SSD has main profile login via E-mail (Used for gaming and general use) HDD will be used for ...
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1answer
222 views

Delete or move OEM partition on ASUS laptop

I bought an ASUS laptop (S550C) and I was planning to install Linux alongside Windows 8 (Win8 comes preinstalled) in dual-boot. The laptop has two hard drives and they come partitioned in the ...
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2answers
59 views

OS Installation order

I have a laptop with a blank hard drive and I want to install Windows 8.1 Pro along with Ubuntu 14.04 (dual-boot) Which should I install first?? But before I install anything, I'm going to split the ...
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3answers
50 views

How to Triple boot

I have already dual boot on different HDD now I want install triple boot . On both HDD has Windows 7 I want install Ubuntu 14.04 LTS if I choose Install alongside Windows 7 then other OS Windows 7 ...
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1answer
882 views

Windows 8.1 / Ubuntu 14 dual boot partition mystery

I clean installed windows 8.1 on a new 1TB HD. During which I created a 120G partition for windows to live on. (it also creates a small 350M system partition by default). Next, using a LIVE CD I ...
0
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0answers
42 views

Dual-Boot Windows XP and Vista Without Windows Boot Manager?

I have been dual-booting FreeBSD (1st partition) and Windows XP (2nd partition) using Grub2 (configured in FreeBSD). I just installed Windows Vista on my hard drive's 3rd partition. To boot Vista I ...
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1answer
64 views

Can't get Ubuntu boot from Windows 7 boot loader

I have a HP Envy Laptop which was shipped with Win 8. Since I am not very comfortable with Win 8, I wanted to install the Win 7 + Ubuntu 14 combination with dual boot option. I have successfully ...
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1answer
23 views

Need help fixing MBR on 2K3/Vista multiboot Dell 620

Such a long story and pain in the butt... My customer has asked me to load 7 windows vista clients and 4 windows server 2K3 machines bare metal(because apparently VM's aren't good enough) on a Dell ...
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2answers
41 views

Dual booting Ubuntu and windows

How much memory is required to dual boot the latest version of Ubuntu and windows (XP, although I'll upgrade to 7 soon)? The Ubuntu installation process says I'll need 6 GB, but is this just for the ...
2
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1answer
353 views

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System EFI Entries During Ubuntu Setup, Ubuntu automatically created an EFI start ...
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1answer
33 views

How to fix ubuntu boot alongside windows 7

In the beginning I had only Ubuntu on my pc. After I installed Win 7 in another partition. Then Ubuntu boot doesn't starts anymore? I need dual boot: how can I fix it?