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

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2answers
60 views

Partitioning to go for a dual boot

So I'm thinking of dual booting my windows 10 with the latest ubuntu. I'll need my windows because gaming is a big hobby of mine. Linux will be used for simulations since I'm a physicist going in the ...
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votes
1answer
64 views

Installing Ubuntu alongside windows 7 in an unallocated space

I have tried installing ubuntu alongside windows 7. For that i resized my c drive and that resulted in a new unallocated volume. How should i partition this and how do i install ubuntu in it. I am ...
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2answers
152 views

Dual booting Win8.1 & Ubuntu MATE specific problem

So today I was going to install Ubuntu MATE 15.10 I've got an Acer Aspire E1-572G type laptop. There's already a copy of Windows 8.1 on it. The problem: After installing, I can't boot into Ubuntu at ...
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2answers
50 views

I dual booted ubuntu 14.04 alongside side win7, both 64bit, theres no boot menu

So last night I decided to take the plunge and try Linux for the first time, so I found a tutorial to dual boot ubuntu 14.04, alongside win7, I created a live usb, shrank my computers (its a ...
0
votes
1answer
54 views

I want to remove windows 8 and keep ubuntu 15.04 [duplicate]

I have been testing out ubuntu for a few months now and now I decided to keep it on my system (It's a dual boot with windows 8.1). My question is : If I remove windows 8.1 from my system, will my BIOS ...
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1answer
749 views

How to add ubuntu to windows 10 boot manager, but it will be in another hard drive? [closed]

I want it to be look like this: I have an HDD and an SSD in my PC, I want to install Ubuntu to SSD, I have windows on HDD. I want to be able to boot ubuntu from the windows 10 uefi boot manager. ...
0
votes
1answer
79 views

Ubuntu 14.04.3 LTS, 0.525923 ACPI proble failed

I have installed ubuntu more than 3 times and the problem is not yet solved. My pc is dual boot with windows7. Graphics card is nvidia gtx780 and the processor is an intel i7. After the first ...
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1answer
53 views

Ubuntu 14.04 64-bit running on low graphics mode on windows 8?

I have tried installing ubuntu 14.04 64-bit on windows 8 , the installation completed without any error but after installation completed it shows me a message that System is running in low graphics ...
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2answers
61 views

Ubuntu Dual boot with Win 8.1 help!

Total newbie here. I want to install Ubuntu 14.04.3 alongside Win 8.1 that's already there. I'm getting the same error no matter what - "The attempt to mount a file system with type vfat in SCSI1 ...
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1answer
376 views

ACPI PCC probe failed while installing! [duplicate]

So, I've been trying to install ubuntu 14.04.03 LTS the past few days but I always face this error, when I hit install the screen turns extremly white(x32) or extremly black(x64) then I get the ACPI ...
0
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1answer
255 views

Linux hanging at boot after fsck

Apologies for the bad photo but it's a big hassle to type it out as a dualboot user: It hangs there for ages, no matter how long I leave it. I've had this twice and the first time I reinstalled. ...
0
votes
1answer
358 views

What should I do to get Ubuntu dual-boot with Windows 10 on this Toshiba laptop?

I've tried several approaches and it still boots directly to Windows 10. It is a Toshiba Satellite Radius L15W-B1208X with Windows 10 the original OS. I read and tried to follow all prerequisite ...
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1answer
2k views

How to use 'unusable' disk space while installing ubuntu?

My laptop used to have windows 7 which I had upgraded to windows 8.1 and then to windows 10 and along with them I used to have ubuntu. The disk partitions used to look like ([System Reserved], ...
0
votes
1answer
344 views

Can't get to Grub (UEFI) on Sony VAIO Ubuntu 15.04 Dual Boot

Okay. I've been trying to get GRUB to load for a long time (bordering on two years of attempts). I have windows 7 on a Sony VAIO (SVS151190X) and I am attempting to boot Ubuntu 15.04 through GRUB, but ...
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1answer
56 views

Grub not listing windows partition

I have a windows partition on my ubuntu 14.04 but I've not used it in a while and have now noticed I can't see it in the grub boot loader. I've tried sudo fdisk -l and get the output Disk /dev/sda: ...
0
votes
1answer
61 views

Ubuntu stuck on trial version

I am currently running the trial version on Ubuntu (I am very new to Linux) and I am trying to install Ubuntu to have the full version. I am currently trying to dual booting it with windows. I have ...
0
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2answers
180 views

windows loader loads grub2 dual boot with windows 10

Streamlining the boot sequence for Windows 10 / Ubuntu 14 dual boot. Ok. Ubuntu installed quite easily on my Windows 10 laptop despite the secure boot stuff. Evidently Microsoft signs Ubuntu loaders ...
0
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3answers
156 views

Removing older kernels takes forever

I have a Ubuntu 12.04 64-bit installation sided with a Windows 7 64-bit in dual-boot configuration. I was trying to remove older kernels packages to free some space, but the process is taking too ...
0
votes
1answer
242 views

Windows10 boot option lost after installing ubuntu 15.04 and try boot repair

I installed ubuntu 15.04 alongside windows 10 on laptop lenovo E440, but I can't enter to windows 10. And I launched boot-repair but now there is no windows 10 boot option. Else, I tried access from ...
0
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1answer
229 views

Windows 10 entry not listed on Grub [closed]

I have installed Windows 10 Pro x64 on a Samsung SSD Pro 850 series device /dev/sda. Upgrading it from Windows 7 Pro to Windows 10 Pro. After that, in a second drive Samsung SSD '/dev/sdb' I have ...
0
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1answer
77 views

Ubuntu grub menu add manually Windows entry

I pasted this script into source section at Grub customizer on Ubuntu to create windows entry. But I copied this script from another pc. 1A23-C8F4 part in this code is different in my pc for Windows ...
0
votes
1answer
102 views

Do I need BIOS boot area [duplicate]

What is the BIOS boot area and do i need it. I have a bare new drive and I plan on resorting back to dual-booting windows. I had re-re-installed Ubuntu and windows several time and it did not work. I ...
0
votes
1answer
655 views

How do I get Grub2 to boot into OS X?

I removed everything on my MacBook Pro, partitioned it into several small partitions, and installed Ubuntu, Windows and OS X. Grub2 sees my Windows and Ubuntu installs, but OS X doesn't show up in the ...
0
votes
1answer
223 views

Booting Ubuntu 14.04 Live USB on XPS 13 9343

I have just purchased Dell XPS-13 9343 (upgraded to windows 10) and I am not able to boot this laptop from my USB 3.0 which have Ubuntu 14.04 installed on it. I am able to boot my Dell Latitude and ...
0
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2answers
254 views

Disk Partition not showing up

I feel I'm obliged to say that I'm a total Linux/Ubuntu newbie. I have always been a Windows user and the whole Ubuntu system is completely new to me. I have a 1 Tb hard disk which under Win7 was ...
0
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2answers
177 views

GRUB won't recognize Window 7 on different HDD in Laptop

The link in the "duplicate" is too specific to that user's issue to be of any help to me. When I run that answer, I get: grub-probe: warning: disk does not exist, so falling back to partition device ...
0
votes
1answer
213 views

How can I boot back into Ubuntu after Windows 10 upgrade? [duplicate]

I had been running Ubuntu 14.04 and Windows 8.1 happily along each other on a Lenovo Yoga 2 for a period of months. Even after an initial Windows 10 upgrade this continued, until last night. Since ...
0
votes
1answer
59 views

Clean install of 14.04 over corrupted 14.04

How can I put up a clean install of 14.04 on a dual boot machine with the "something else" option (manual partitions). It appears that when I try to clear the old partitions and re-partition it still ...
0
votes
1answer
58 views

Help regarding rEFInd

I have a Macbook Pro and I am in the process of trying to create a triple boot with Windows 8 and Ubuntu 14.04.3 LTS. Using the disk utility in OSX to create the other two partitions and rEFInd to ...
0
votes
1answer
529 views

Failed to open \EFI\Microsoft\Boot\grubx64.efi

I've a laptop that came preinstalled with windows. I wiped it and installed elementary linux distribution. Then months later I've installed ubuntu flavoured in another partition, so dual linux boot. ...
0
votes
2answers
44 views

Deleted Ubuntu prtition from machine and going back to Win - can't get past “grub rescue” on startup [duplicate]

I wanted to go back to an all Windows machine after trying Ubuntu 15.04. It was a good experiment, but not for me. I had installed Ubuntu 15.04 on its own partition and it put in a dual boot menu. At ...
0
votes
1answer
27 views

Does the Dual-boot in secure mode works the other way?

Its a common error that users can't boot into Windows through Grub while using Secure-boot. Some "image not found" error comes up. Disabing secure-boot works though. That is when when we install ...
0
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1answer
23 views

restoring grub file

Yesterday when i restarted my computer it is showing screen with error : No bootable devices found So I am trying to restore my grub file using this guide but my boot repair doesn't have both ...
0
votes
1answer
53 views

How to select OS during boot?

I have laptop with hdd and installed windows 7 on it. I bought ssd drive and replaced it with hdd and installed ubuntu 14.04 on it. I also replaced my cd drive with hdd. So, now, at bios I can select ...
0
votes
1answer
604 views

'Upgraded' to Windows 10 on dual boot, and can't boot to Ubuntu partition

I recently updated my windows 7 to 10, and destroyed grub in the process. I ran Boot-Repair on a live CD and managed to get the Windows Partition back. However grub still doesn't come up for me. The ...
0
votes
1answer
206 views

I deleted my ubuntu partition (win8 dual boot) without first resetting my uefi boot settings. How can I recover my laptop from grub2.02?

When I turn on my computer, I see the grub2.02 command line. It says "GNU GRUB version 2.02~beta2-15 Minimal BASH-like editing is supported. For the first word, TAB lists possible command ...
0
votes
1answer
98 views

I deleted Ubuntu and accidentally deleted Grub with it. Other OS's aren't booting now. How do I fix this?

I was running a dual-booted Ubuntu/Windows 8.1 PC. I deleted my Ubuntu partition so I could install Arch, but in doing so I also accidentally messed up Grub and deleted my Windows EFI partition. I ...
0
votes
1answer
160 views

Windows 10 and Ubuntu dual boot issues

I currently have Windows 10 Pro x64 installed (no upgrade because my PC is custom-built). Whenever I boot into the Ubuntu 14.04.2 live USB, it doesn't give me an option to install it alongside ...
0
votes
1answer
118 views

After upgrading GRUB, cannot boot Windows from rEFInd

I'm triple booting Ubuntu, Windows 7, and Mountain Lion from a single hdd in my Macbook Pro 5,3. Somehow, when I got everything set up, I had two options to boot Windows from rEFInd: one that read ...
0
votes
2answers
212 views

Bootloader problem

I don't know why or how... But my boot loader have been destroyed. In this moment I have installed on my PC Windwos 8, Ubuntu 15 and Ubuntu 14 but just Ubuntu 15 have visible on bootloader.. I've try ...
0
votes
2answers
74 views

A Virtual?…Desktop? question…(wondering if this is possible)

If I already have Ubuntu (14.04LTS) and Windows (7 installed first, recently upgraded to 10) on separate partitions, is there a way to run both OS's with any form of virtual machines, or, would one ...
0
votes
1answer
30 views

Trying to change default OS but permissions won't allow changes to /etc/default/grub

I recently performed a reinstall of Ubuntu 14.04.3 on my hard drive. All of my files were salvaged, but I'm having some issues that I didn't have before with my root directory. I'm trying to change ...
0
votes
2answers
94 views

Trying to install Lubuntu on Windows XP but I need to define a root file system?

I have a big problem with Ubuntu for laptops (Lubuntu), in that I need to define a "Root File System". I am completely new to the Ubuntu family, and thus, I come to you for help. How do I access the ...
0
votes
1answer
77 views

Ubuntu 14.04 not lauching after login

I just installed Ubuntu 14.04. First, when I launched the CD, I wanted to try Ubuntu without installing it, but it didn't work. I don't know why it was stuck in the screen of the selection where you ...
0
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1answer
52 views

Ubuntu installer wants to download itself again

I already downloaded the appropriate ISO for my laptop, it was about 1GB. I partitioned 30GB for Ubuntu, extracted the ISO into a folder on my Windows drive, ran the wubi.exe file in the main folder, ...
0
votes
1answer
93 views

Computer restarts over and over after upgrade from ubuntu 14.04 to ubuntu 14.10 on dualboot windows/ubuntu [closed]

I had a dualboot Ubuntu 14.04 and Windows 10 (Windows 8 before upgrade). I decided to upgrade my Ubuntu to 15.04, so I needed to Ubuntu 14.10 and after to Ubuntu 15.04. But after I've upgraded to ...
0
votes
1answer
301 views

Unable to load Windows(8.x) Partition in Ubuntu

I have a HP Laptop with Windows 8.1 installed and there seems to be some problem with the hard disk, due to which Windows never boots up. It just hangs at start up. I'm trying to recover some ...
0
votes
1answer
124 views

GRUB version 2.02 doesn't show Windows boot manager after dual boot with Ubuntu 14.04

I had windows 8 , I dual booted windows with ubuntu 14.04 after a while. Now ubuntu is in partition 1 sda1 and you type this command in Terminal sudo fdisk -l WARNING: GPT (GUID Partition ...
0
votes
3answers
90 views

How to boot from USB [duplicate]

I have downloaded ubuntu-14.04.2 desktop-amd64.iso. Is it possible that we copy the iso file into our pendrive and then boot it from Pendrive after restarting? If yes, could you please provide me ...
0
votes
1answer
66 views

Creating Windows Partition and Dual Boot from Stand Alone Ubuntu 14.04

Ok after a few days of searching with no luck, not even help from the volunteers at boot-repair techs. I've decided to post on here and youtube. Here's my situation: Acer Aspire V5-122P 1.0 Ghz AMD A4 ...