Questions tagged [dual-boot]

Refers to booting more than one operating system on one computer and not using virtualization or containers.

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Cannot boot into macOS

A while ago, I installed Ubuntu along with the macOS on my MacBook. Yesterday, I decided I should uninstall Ubuntu. I read a post on how to uninstall Ubuntu. What I did was, in Disk Utility on macOS I ...
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What is nvme0n2 on MacBookPro13,1?

While trying to install (dual-boot) Pop!_OS 20.10 I found /dev/nvme0n2 of size 8KiB on my MacBookPro13,1 which made the live-installer of PopOS crash just before loading the partitioning page and the ...
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50 views

How can I dual boot macos and Windows 10 on an early 2011 MacBook Pro?

I have lost the last couple of weeks struggling to install Winodows 10 alongside macos on a early 2011 MBP. I understand that Windows 10 is not officially supported by Apple, nevertheless I do not ...
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How can I fix or back up a system after I use gparted to resize my drive and the system will not start?

I created an EFI to run Ubuntu on my mac it was working well but I didn't have enough space so I created a another partition in disk utility and then went to gparted and turned the new partition to un-...
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1answer
35 views

Why do I have a “HD” in my bootcamp screen and not macOS or similar

I have a MacBook 12 with Big Sur. I have also a Bootcamp installation with Microsoft Windows 10. When I open the bootmenu I have the following screen: I don’t know why this label HD shows instead of ...
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1answer
126 views

Messed Up APFS/Bootcamp Partition Table

I messed up my partition table after trying to get Windows 7 Boot Camp installation bootable after being unbootable using option/alt on start up. Back Story At some point a few months ago, I had ...
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Mac Pro Startup Keys: Second Keyboard ignored?

I am using a Mac Pro with Bootcamp for Mac + Windows development. My keyboard is attached to a monitor which also acts as a KVM switch for the Mac Pro and my laptop. When I power up the computer, I ...
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1answer
98 views

What's the best way to replace MacOS with Windows & Linux Dual boot?

I have had it with macOS. I use a 2014 MacBook Air. To use some apps I need, I had to upgrade to the newest macOS, but this slowed the computer down like crazy. Otherwise, I stay with an older version ...
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2answers
179 views

Mac boot menu not showing recently installed Linux OS

I installed GNU/Linux Kali on my Early-2015 MacBook Pro (Mojave) by following the instructions on the Kali official website for dual boot. Linux runs fine but it boots by default. When I went to ...
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75 views

Boot from external drive using rEFInd only if external drive is connected

I'm trying to use an external drive to contain a Windows install and a Big Sur install, but I'm having trouble configuring the boot options on a MacBook Pro 2018. I partitioned the external drive to ...
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29 views

Performance effect of dual-booting with APFS partitions

I have a 2013 iMac with a fixed disk, not an ssd. For unrelated reasons, I dual-boot it with two separate copies of macOS Catalina that share space in the same APFS container. Without knowing much ...
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160 views

What are the main technical obstacles to running macOS on iPads in the near future?

Since the new Macs have ARM chips, there is now access a build of macOS that technically could run on a device like, say, the iPad Pro? The architecture should be pretty much the same, I guess? ...
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246 views

Is it true that we could dual boot Mojave and Catalina, in the same APFS partition, and they don't have to have fixed sizes?

Is it true that if we dual boot Mojave and Catalina, or if we dual boot Catalina and Big Sur, we can go the traditional way of creating two APFS partitions, and each partition is one container and in ...
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67 views

Linux kernel hangs when attempting to dual boot Elementary OS on 2018 Mac

I am attempting to dual boot Elementary OS from a live USB on my 2018 Catalina MacBook Pro. After shutting down my Mac, I plug in the USB drive and start up the computer, while holding down the option ...
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264 views

Dual Boot Catalina and Pop!-OS with Data-Sharing Partition

I want to dual boot both an up-to-date version of macOS and an up-to-date version of Pop!-OS on my MacBook Pro 2016 without T2 chip. I am currently running macOS Catalina. Can somebody comment on the ...
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494 views

Triple boot Catalina 10.15.7, windows 10 (not bootcamp but NTFS), Ubuntu 20.10

I am using a 1 TB SSD with a macbook pro 2012 initially split into 2 x 500g: Catalina and Windows 10 NTFS (NON bootcamp partition). To install Ubuntu, I had to use the Catalina partition because the ...
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iBook G4: black screen when booting with USB plugged in

I have an iBook G4 with Tiger on it, and I thought I would try out dual-booting with Lubuntu just for fun. I downloaded Lubuntu 14 and prepared a USB 2 stick to boot from using dd. So far, so good. ...
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1answer
419 views

Remove GRUB from macOS Catalina

So I installed Ubuntu on an external disk via my MacBook Pro 2016 with a USB flash. Now whenever I try installing another Linux distro such as Pop_OS I see the GRUB loader complaining about a bunch of ...
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How to prevent the battery capacity degrading using a PowerBook G4 with Ubuntu 16.04?

I have a 2005 PowerBook G4 which I dual-boot Mac OSX 10.5.8 and Ubuntu 16.04 XFCE. The 'book runs both OSs quite well but I have noticed that using Ubuntu has the effect of reducing the battery ...
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1answer
30 views

Merge missing disk partition on a Macbook

I tried to install a Linux distro on a partition in my macbook, but it didn't go well so i want that partition to merge it to my main partition of the OS, but in the disk utility doesn't appear. If i ...
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536 views

rEFInd installation won't boot due to T2 security, despite T2 security being disabled

I've been trying to install rEFInd with --ownhfs on my Macbook Air 2019, but booting into it results in Recovery Mode starting with the message A software update is required to use this Startup Disk. ...
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2answers
845 views

How to dual boot Ubuntu and macOS without rEFInd?

I'm trying to install Ubuntu on my MacBook Air 2019 with Catalina 10.15.6. However, my MacBook has the secure boot feature which doesn't allow rEFInd to work at all and I'm not feeling comfortable to ...
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38 views

Dual boot Mac with Ubuntu using rEFInd - removed Ubuntu by deleting partition and now Mac won’t boot

I had installed Ubuntu on Mac with rEFInd dual boot. I was able to use it until I thought to remove the Ubuntu. I deleted the Ubuntu Partition from drive, and then thought it will just remove Ubuntu ...
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How do I edit name and logo for boot menu of Windows 10 EFI drive? [duplicate]

I have a new Windows 10 EFi formatted drive, and I am wondering what is the proper way to customize the boot menu logo and the name? For example, changing the orange drive logo to a picture, or ...
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341 views

Installing Ubuntu 20.04 on external drive with iMac running macOS + Windows 10

I have a late 2012 iMac running macOS High Sierra (10.13.6) and Windows 10 (Build 18362) through Bootcamp in legacy BIOS mode and I'd like to do a full install of Ubuntu 20.04 to this external drive ...
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2answers
403 views

Big Sur beta on external disk vs internal disk?

I've read this question: Remove macOS from a APFS container? and this question: APFS - Is it possible to install 2 macOS versions inside one APFS container? It seems there is a little bit more mess to ...
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Need help, tips, suggestions on downgrading Catalina to Mojave and dual-boot [duplicate]

iMac 21.5-inch, 2019 Shipped with Catalina Goal is to have two volumes. One with Catalina, the second with Mojave. I have already downloaded Mojave and plan to create a bootable drive using disk ...
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115 views

Triple boot Macbook (Arch Linux and Ubuntu) from an external SSD

I have a 2015 MacBook Air and plan to triple boot MacOS, Arch Linux and Ubuntu by installing Arch and Ubuntu onto my SSD. I have looked at this thread and read about installing rEFInd onto the SSD so ...
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1answer
120 views

Wierd problem after doing a triple boot OS-X, UBUNTU 20.04, KALI-LINUX

I've successfully did a triple boot on my Macbook-pro but somehow even after creating separate EFI partitions, all my grub files ended up in the first EFI partition. So I separated them manually. ...
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1answer
111 views

Every Ubuntu update breaks rEFInd on my MBP

Every time when I'm updating Ubuntu with: apt-get update && apt-get -y upgrade I've needed to do this in MBP recovery mode: mkdir /Volumes/EFI mount -t msdos /dev/disk0s1 /Volumes/EFI bless --...
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969 views

Best approach for: Dual boot Mac OS and Win 10 And shared files volume

I've got a somewhat older macbook pro (mid 2014) and it starts lagging. And since I'm working professionally on it I'm thinking of buying a new macbook or Win laptop. But since I never had a clean ...
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20 views

BootCamp Assistant won't start Windows installation after partitioning is done

I am trying to install Windows 10 on my Macbook Pro (15-inc Mid 2015 model, OS: Mojave) using BootCamp Assistant. After setting my desired partition size, BootCamp downloads the necessary Windows ...
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34 views

How can I free up some space on my EFI partition for dual booting windows

I'm trying to free up my EFI system partition to install windows 10 I've done this Unable to install Windows 8.1 using Bootcamp, system volume doesn't contain required free space? but it only ...
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635 views

Is there a way to switch Mac OS boot partitions without going through System Preferences?

I have just viewed a YouTube video on how to set up my Mac as a Mojave/Catalina dual-boot, using two APFS volumes on the internal drive, instead of using a bootable external drive. But is there a way ...
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1answer
273 views

Does Bootcamp still result in a hybrid MBR/GPT situation?

I am running Mojave still (if that matters, but could update to Catalina), and want to dual-boot Windows 10 for the odd occasion when i need to run a program that is windows only.. or debug something.....
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2answers
278 views

Dual booting, and lost rEFInd: how to recover OSX?

I mostly followed [these instructions][1] for how to set up dual-booting on my macbook, and everything seemed fine, up to the very last step. Now when I reboot the system (even if I hold command-R) I ...
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1answer
174 views

Triple boot: “Missing operating system” on Windows 10 partition after Windows update

I have a triple booted MacBook Pro (using rEFInd as boot manager). Recently I selected "Update and shut down" when finishing up in Windows 10. Since then, rEFInd still offers Windows to boot from, but ...
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1answer
69 views

Data not backed up, System not booting, Getting Error: -69845 after trying to fix bad Partition Type

A few months ago someone installed Linux on my computer using rEFInd for a project. I am using a 2015 13" Macbook Pro with 256GB SSD. The partition for linux was made to be 60GB. After the project I ...
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2answers
193 views

MacOS/Debian10 dual boot- how to delete unknown EFI partition?

I have a macbook air dual booting macOS Catalina and Debian10 buster. I hold the option key at startup to choose the system I want. In the boot manager there's this efi partition (https://imgur.com/...
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256 views

MacBook Pro partition disk0s2 cannot be mounted

I am new in the internet forums. I apologize in advance. I believe I have a similar problem than the one described in second_step, since I am coming from a removal of Ubuntu dual boot. But the ...
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1answer
576 views

dual-boot (ElCapitan and Mojave) on a Mac Pro 5,1?

I have a 2012 Mac Pro 5,1, running El Capitan. I wish to make it a dual-boot system, El Capitan and Mojave. I understand that I must install High Sierra preliminary to Mojave, and must install a "...
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29 views

Partition type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and drive unreachable [duplicate]

I had Ubuntu dual booted on my 2015 MacBook Pro. I tried to remove the Ubuntu partition using Disk Utility, then when I attempted to delete the Linux partitons, it is completely gone out of sight. I ...
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1answer
142 views

Windows 10 Boot Camp USB boots but throws 0xc0000225 before being able to install anything

I have a MBP 2014 15" with all the latest updates installed I downloaded the official Windows 10 ISO 64bit (20 november 2019 update) I verified that this ISO works, using Virtualbox I got a new ...
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1answer
21 views

Is a Boot Camp partition in Parallels Desktop still natively bootable?

I am wondering if its possible to use Parallels Desktop with a Boot Camp partition while still being able to boot into Boot Camp natively if I need that last bit of performance?
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641 views

Attempted to fix macOS startup volume after failed dual-boot Linux install, but failed and now original partition unknown

Attempted to install Linux on my MacBook Pro 15" 2015 one day for school, but then the install failed and I had a GRUB issue similar to this: How do I recover/fix my OS X partition?. Weirdest part ...
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116 views

Camptune is stuck on “Resizing volumes, this may take a while…” for the past 6 hours

I’m trying to increase the partition on my Windows partition and decrease the size of the MacOS Catalina partition by 18 GB on my 256 GB, 2014 dual-booted MacBook Air using Paragon Camptune, a third-...
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1answer
980 views

Install CentOS on MBP 2019

I am trying to install CentOS 8 on my 2019 MacBook Pro 2019 with Catalina 10.15.4. I want to dual boot either with Catalina and CentOS. Steps so far: Partition with 500GB for CentOS Created a ...
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1answer
74 views

How to boot into Windows on SSD from macOS

I have a MacBook Pro (13-inch, 2018) running macOS Catalina (10.15.2). I have an old laptop that died, but that still has a (newer) functioning SSD. This SSD has Windows 10 already installed on it, ...
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1answer
2k views

(MBP 2010 13") EFI BOOT Frozen when Trying to Install Windows 10

Would like to get some assistance: Device: Macbook Pro 2010 13" Previously I was successfully install windows by manually create partition, format partition to hybrid GPT/MBR by following a guide. ...
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25 views

Resized macOS Partition in Windows; boots to white screen

I have a 2012 MacBook Pro and I am using Windows on Bootcamp and I tried installing Phoenix OS. Used a partition app on Windows and shrank the macOS partition. Now whenever I start white screen shows ...

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