Questions tagged [dual-boot]

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

6,096 questions with no upvoted or accepted answers
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1answer
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Ubuntu installer can't see Mac HDD

I've been trying to set up an Ubuntu 16.04 partition on my MacBook Pro (2017). I've created a 100GB partition for it (diskutil below). However when I try to install Ubuntu from my USB disk image, the ...
6
votes
1answer
274 views

Ubuntu (regardless of version) keeps freezing

My pc is about 8 years old. Back then, it had an amd Sempron 64 bit processor, and 1GB of RAM. I dual booted it with Windows XP and Ubuntu 16.04 LTS. Ubuntu worked fine for few minutes, and then ...
6
votes
2answers
3k views

Mouse and Keyboard will not work Windows 7 Dual Boot

My mouse and keyboard work fine in Ubuntu, as well as grub. However, when I boot into Windows 7, I cannot get past the login screen because the mouse and keyboard do not work. The lack of light on my ...
6
votes
1answer
11k views

Insmod error in grub: symbol not found:grub_realidt

I have a dual boot PC with Windows 7 and Ubuntu. I upgraded from 12.04 to 12.10 and then to 13.04 and since then I have not been able to boot because the PC goes into grub rescue with the error "File ...
5
votes
2answers
2k views

Ubuntu 19.04 freezes after suspend

I am using the latest version of Ubuntu 19.04. kernel version is 5.0.0-13 generic. I am using it with dual boot alongside Windows. Whenever I suspend or close the lid of the laptop ,the laptop hangs ...
5
votes
2answers
19k views

Remove windows boot manager and use grub instead

I have a dual boot with windows 10 and Ubuntu 14.04 when I boot my PC the windows boot manager shows up and I get the choice between Windows and Ubuntu. The problem is that when I choose Ubuntu, grub ...
5
votes
0answers
298 views

Ubuntu 14.04.4 macbookpro11,5 install problem

I'm relatively new to Linux/Ubuntu (i.e. I mightn't understand overly detailed tech terms etc) and have come across the following problem: I tried to install Ubuntu on a new (Jan 2016) MBP 11,5 with ...
5
votes
1answer
16k views

What location to put bootloader, when running multiple drives and partition

I have Win8 on my desktop, where a 120G SSD is used to run windows and some select applications, while I have a 2TB HDD to provide basic file storage and where possible, install applications instead ...
5
votes
8answers
35k views

No option to choose between Ubuntu or Windows at startup; tried many suggestions already

Yesterday I used a live cd to install Ubuntu 14.04 on a computer already loaded with Windows 8. The Ubuntu install did NOT recognize any operating system on the computer, so I chose Something else ...
4
votes
0answers
2k views

Hard drive error : EXT4-fs error - Failed to write entry, ignoring: Read-only file system

I have a Asus R556L, running Ubuntu 18.04LTS on dual boot with Windows 10. The sata mode in the bios is AHCI. Ubuntu works fine, but after working for a while, it goes to the black terminal screen ...
4
votes
0answers
97 views

computer freezes

Sometimes my computer freezes while using Ubuntu. But it works fine when I use Windows 10. I am currently using Ubuntu 18.04 with dual booting Windows 10. My system specs are: 2.41GHz Intel Pentium ...
4
votes
1answer
2k views

Ubuntu Server 18.04 installer does not show partitions

I'm trying to install Ubuntu Server 18.04 to dual boot with Windows. When I run the Ubuntu Server installer, it doesn't show any partitions on the disk and instead recognizes my entire disk as ...
4
votes
0answers
788 views

Full Disk Encryption and Custom Partitioning on Ubuntu 18.04

How can I use Full Disk Encryption (LUKS) with a custom partition scheme on Ubuntu 18.04? Full Disk Encryption seems to be allowed on installation only if the option "Erase Disk and Install Ubuntu" ...
4
votes
1answer
3k views

Chainload from windows boot manager to Grub with Secure Boot enabled

I have a UEFI laptop with Bitlocker on the Windows partition. This forces the primary bootloader to be Windows Boot Manager with Secure Boot enabled in order for Bitlocker to work properly on Windows. ...
4
votes
1answer
146 views

Error while copying files from Windows to Ubuntu after Windows update

I have a dual boot system with windows 10 and Ubuntu 16.04. Until now I could freely copy and paste things from Windows to Ubuntu while accessing Ubuntu. After a Windows update I can't do it. I ...
4
votes
1answer
1k views

Bitlocker-encrypted Windows and LUKS-encypted Xubuntu in Dual Boot

Company policies instruct me to use a Bitlocker encrypted Windows 10 (No turning off Secure Boot), but I also use Linux, which has to be LUKS encrypted. Now I need to set this system up for Dual-Boot ...
4
votes
2answers
7k views

15.10 No GRUB menu with windows 10

I am trying to get Ubuntu 15.10 dual booted with Windows 10. But the GRUB menu does not show up. The PC came pre-installed with Windows 8.1 and I upgraded it to Windows 10. Following directions from ...
4
votes
0answers
1k views

liveCD Doesn't See Unallocated Space In My Hard Disk

I'm trying to dual boot Ubuntu 14.10 on my computer. I have Windows 7 installed and shrunk my main partition to leave a roughly 250 Gb gap (Unallocated). Partitioned as such: Recovery (20 GB) ...
4
votes
1answer
4k views

Boot Repair - 'Close all package managers…' Dual Boot Installation

After almost a week, I've just about managed to install Ubuntu 12.04.3 LTS alongside Windows 8 on a Dell XPS 14 Ultrabook. I have created a partition in Windows to store Ubuntu, rebooted from Windows ...
4
votes
0answers
179 views

Ubuntu Dual boot breaks keyboard in WIndows 7

I have a HP ProBook 4530s Notebook PC. Main OS is WIndows 7 pro. I tried to install Ubuntu (from Windows with dual boot) several times and the result is the same. Ubuntu works fine but there is a ...
4
votes
1answer
2k views

No audio with newest model HP Spectre x360 (4101-dx)

I dual-booted Ubuntu 15.04 alongside Windows 10. There is a known issue with the audio in linux on this computer: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1441852 The older models that ...
4
votes
3answers
9k views

MacBook install: no mountable file systems

I own a MacBook Pro running Mountain Lion. I would like to dual-boot my Mac OS with Ubuntu. When I download the file and try to open it, it reads "No mountable file systems". I have downloaded both ...
3
votes
0answers
31 views

Missing Operating System When booting from USB drive

I've been searching for hours and can't find a solution. I'm trying to dual boot Ubuntu with my Windows 10. I downloaded the iso and burned it to a USB drive, all good. Now when I select the USB as my ...
3
votes
2answers
94 views

Problem with dual booting windows 10 and Ubuntu 16.04

A little background before I go into the main problem - I have windows installed in a 256GB nvme ssd that came with the laptop. Then I added a 2.5" SSD manually (Samsung Evo 860) for additional space ...
3
votes
0answers
1k views

Error installing boot-repair on ubuntu 19.10

I am with problems on grub boot initializer. When I go install the boot-repair via live CD to Ubuntu 19.10, I am getting the follow error. ubuntu@ubuntu:~$ sudo apt install boot-repair Reading ...
3
votes
0answers
38 views

Ubuntu freezing during startup

Ubuntu 18 and Windows are installed as dual boot on my Acer Aspire F15 laptop. Since today my PC freezes completely when restarting, approximately 20 seconds after the grub screen to choose OS, ...
3
votes
1answer
72 views

Unknown file system unnsupported drive / partition?

I have a 1TB HDD that I use on Windows for file storage, and I would like to share this storage between Windows and Ubuntu (dual boot). But I can't seem to be able to mount this drive in Ubuntu. I can ...
3
votes
0answers
72 views

Fail to boot, suspect filesystem problem

I have a Asus UX305F which has been dual booting Ubuntu 18.04 and Windows successfully using GRUB. Today I started my computer, and it hung on the Ubuntu loading screen for 15 minutes so I hard ...
3
votes
0answers
334 views

Ubuntu 18.04.2LTS very slow to boot

My system has become very slow - it used to boot in 15 secs. Now it takes more than 3 minutes to boot. I've a dell with dual boot (ubuntu and windows) I have been reading about swap disk allocation ...
3
votes
1answer
896 views

Ubuntu 18.04 boot time is very slow (userspace taking a lot of time)

I have dual booted Ubuntu along with Windows 10. I have a SSD+HDD combo where Windows is installed on SSD and Ubuntu on HDD. I've tried reinstalling Ubuntu but the problem of large boot time still ...
3
votes
0answers
696 views

Ubuntu 18.04 doesn't use swap, but whet it does it freezes

My ubuntu 18.04 64bit isn't using the swap file/partition to the point when the 8gigs(of which 7.3 are usable) of ram almost fills up, and when it does, and actually writes some things in swap it ...
3
votes
0answers
956 views

Ubuntu 18.04 fail to recognize my second nvme ssd

I've just purchased a second NVMe SSD for my laptop(which has dual m.2 slots both support nvme), planning to install ubuntu 18.04 onto it alongside windows 10 (which is installed on the first ssd). ...
3
votes
1answer
5k views

Problem Loading UEFI:db X.509 certificate (-65)

file name: ubuntu-18.04.1-desktop-amd64.iso. currently windows 8.1 installed on my laptop. i am trying to install ubuntu from usb flash drive and created a bootable usb using rufus. when i boot from ...
3
votes
0answers
791 views

Bitlocker Windows 10 after ubuntu installation

I installed Windows 10 on my main SSD then installed Ubuntu 16.04 after. I ran the Ubuntu setup and checked the option to install ubuntu with Windows 10. Now I want to use BitLocker on Windows 10. If ...
3
votes
1answer
4k views

Dual booting Lenovo Thinkpad X1 Windows 10 with Ubuntu Mate?

I just got a Lenovo Thinkpad X1 Gen 6, I am trying to dual boot it with Ubuntu Mate 18.04. I partitioned my drive while in windows, also disabled secure boot. Although when I boot into Ubuntu Mate ...
3
votes
3answers
3k views

Ubuntu 18.04 won't boot and can't get back to Mac OS

I installed Ubuntu 18.04 on my Mac mini (late2014) and when it boots, it goes directly into Ubuntu. However, it won't load. An error message states the following: failed to open \EFI\ubuntu\...
3
votes
0answers
736 views

Ubuntu 18.04 very long boot (SSD)

I have some troubles with Ubuntu 18.04 (it installed with windows, but I not using it) and decided to install another linux distro (Manjaro, installation EFI). Installation was success, but manjaro ...
3
votes
0answers
96 views

Ubuntu on portable SSD - choosing between UEFI and Legacy

I want to install Ubuntu Mate on a portable SSD, and be able to use it on two Windows 10 computers, a desktop and a laptop. The problem is, the desktop is quite old, and boots Windows 10 in Legacy ...
3
votes
0answers
729 views

Keyboard and Mousepad completely not working 18.04 (Working in Windows)

I have an Asus X541U laptop, dual booted with Windows 10 and Ubuntu 18.04. Currently writing this from Windows 10. You'll understand why later. Preliminary Information: I just installed Ubuntu ...
3
votes
0answers
2k views

Ubuntu server install on existing partition

I am trying to install Ubuntu Server 18.04 LTS on an existing partition on a Win 10 + Ubuntu machine (replacing the existing 16.04). However, on the disk setup stage, the installer does not show any ...
3
votes
0answers
517 views

Ubuntu 18.04 boot loop after upgrade from 17.10

I'm running this as a dual boot on my Dell Inspiron 15 7557. I'm having a challenge after upgrading from 17.10 to 18.04. The package download and installation process was successful (through update ...
3
votes
1answer
1k views

Windows 10 won't show up after installing Kubuntu 18.04

I've been trying to fix this issue for the past few hours now. I had kubuntu 17.10 installed before updating to 18.04, and before that ubuntu 16.04, and both recognized windows 10 in the grub menu, ...
3
votes
2answers
350 views

Can booting Windows from GRUB cause BSOD?

Since installing Ubuntu 16.04 as a dual-boot setup with Windows 10 I'm having frequent blue screens of death in Windows (about 5 per day). All the error codes are related to a problem in Windows ...
3
votes
2answers
1k views

Change partition sizes of dualboot system

I know that there are some similar topics to this, however I was not sure which of them could be applied to my case. Because I am afraid of destroying my system, I hope you can give me some advice on ...
3
votes
0answers
309 views

Problems with gnome-shell Ubuntu 17.10

I've installed Ubuntu 17.10 alongside with Win10 on my laptop, but it works very slowly although my laptop has Core i5 7-th Gen, 16gb ram, gtx1060-6gb. The animations are very slow, page scrolling isn'...
3
votes
0answers
571 views

Ubuntu/Win10 Dual Boot - Can't boot into Windows from GRUB

I'm running a (K)Ubuntu 17.10 and Windows 10 Dual Boot. I can boot into Windows if I choose the corresponding entry in the UEFI Boot Menu, however I can't boot Windows from GRUB. It is correctly ...
3
votes
0answers
286 views

Super slow kernel startup

My Samsung series 5 notebook (i5, 500gb hdd, 4gb ram) has a super slow boot for Ubuntu 16.04.3 LTS (I have a dual boot Windows 10 - Ubuntu 16.04.3 LTS) I write: systemd-analyze Output: Startup ...
3
votes
0answers
613 views

Display Unclaimed in Ubuntu 16.04

I am having an issue with booting up ubuntu out of nowhere. It gets stuck at purple screen and doesn't present login screen. While in recovery mode it works. Many people suggested this to be the ...
3
votes
0answers
751 views

How to install a Ubuntu dual boot with Windows 10, when the UEFI partition is NTFS?

I have recently received a machine with a OEM Windows 10 installed. But I couldn't install Ubuntu on it, because the UEFI partition was in NTFS format. Instead of vfat/fat32 like the the UEFI ...
3
votes
0answers
435 views

Ubuntu 16 won't shut down and freezes

I'm trying to learn linux and so I dual-boot Ubuntu 16.04.2 LTS with Windows 10. Every time I shutdown Ubuntu I get some line of code: /dev/nvme0n1p7: recovering journal /dev/nvme0n1p7: Clearing ...