Questions tagged [dual-boot]

Refers to booting more than one operating system on one computer.

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Install Windows 10 on MacBook Pro 8.1

I want to install Windows 10 on a MacBook Pro 13" 2011. I don't nessearly need macOS installed on the machine. Win10 single boot would be fine. I have a bootable WIN10 USB Installer. I tried to ...
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38 views

MacBook filesystem FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF after deleting linux partition [duplicate]

So I have MacBook Air late 2015. I’ve been using bootcamp for a while. Yesterday I installed rEFInd to use triple boot for Linux. Made partition for Linux. Later I decided to delete this partition ...
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25 views

Tried to fix filesystem type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF and failed [duplicate]

Initially, I had dual-booted Ubuntu on my Mac. Several months later, I decided I no longer needed Ubuntu on my Mac so I decided to get rid of it. I attempted to this by using Disk Utility on macOS and ...
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1answer
33 views

Dual booting Mid 2012 MacBook Pro running Catalina with Deepin

After the Catalina upgrade Macintosh HD is listed twice in Disk Utility. One only has about 10gb used and the other looks like that's where everything is. It has the label data in the name. I read ...
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1answer
42 views

Can't boot from USB or CD/DVD

I have an iMac 4,1 running OS X 10.5.8 that I want to install Lubuntu on. I have a USB drive and a DVD, both with the ISO burned to them, but I can't boot from either. They don't show up in Startup ...
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1answer
35 views

Behavior of macOS After Toggling Secure Boot on T2 Chip: Does It Remember the ECID?

I am reading up on the T2 chip as I look at plans to avoid multiple machines by consolidating various OS requirements onto a single computer. It sounds like I can use Full Security for Secure Boot in ...
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1answer
381 views

How can I triple boot MacOS Catalina , Ubuntu 18.04, and Windows 10

I currently use the mid-2014 MacBook Pro. I have read the similar questions asked but as I don't have much technical knowledge I thought I should create a new question. Device History I had ...
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1answer
76 views

How to resolve messed up GPT (FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF) from Ubuntu without data loss

I was having Ubuntu installed along with MacOS Catalina. I need windows for project work so I decided to create a partition and flash windows in it... Doing this I messed up and there was showing no ...
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17 views

Can dual boot Mac access files between two OS installs

I have a High Sierra Mac, I was thinking about doing a dual boot setup with Mojave or Catalina. Will I be able to copy files between two installations via Finder? Or another way to ask, when I am ...
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1answer
158 views

Unable to Boot into Mac OS X after installing Ubuntu

First thing first, my MacBook Air partitioned into Ubuntu (30Gb) and OS X(91.2 Gb) was working fine until it started draining huge battery, lagging intensely and heating up. I figured out that this is ...
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11 views

If I set up my iMac to dual-boot, do I see the other partitions?

I'd like to set up my iMac to dual-boot, with on option being Mojave. I'd like to only use that Mojave to boot up when I need to run a 32-bit application. I want to have everything on a Catalina ...
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1answer
28 views

Dual boot dual partition and clean install of High Sierra

iMac, model has been verified Dual boot machine. HD is SATA Two partitions. Second Partition has Yosemite. First partion old. I want to wipe first partition and install High Sierra. Plan: Download ...
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18 views

Cannot boot into MacOS after installing Ubuntu (dual boot)

I recently installed Ubuntu on my Mac and for some reason I cannot boot back into Mac OS anymore (I never could). Unfortunately, I have no solid idea about how I could have messed this up and quite ...
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1answer
32 views

Kali not showing in Kali-OSX dual boot on Macbook Pro

Some context: I have a Macbook Pro with OSX Mojave I installed Kali Linux Boot defaulted to Kali If I wanted to boot OSX I had to hold down the option key on boot. When selecting boot drives, Kali ...
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15 views

Screen bug on windows 10 on iMac

Hi I tried to install Windows 10 as dual boot on my iMac (late 2009) High Sierra. First I ran into this problem someone else also had here, which is unfortunately unanswered. Anyway since I couldn't ...
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15 views

Stuck at trying to Install win10 with rEFInd

I’ve been trying to install Windows 7 64-bit with rEFInd on my MacBook Pro 2012 with Mojave, through making a NTFS partition and moving the ISO content in it. When rEFInd boot manager loads, I can ...
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1answer
77 views

MBP with Touchbar install Debian 10 fails

Trying to create a dual boot system with Debian 10 on my MBP 2016 but the installation process fails because the keyboard input is not recognized. I can move through the initial menu where I can ...
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0answers
13 views

FreeDOS USB drive does not show in option key boot menu on Macbook Pro (Late 2011) [duplicate]

I've been struggling for two days to dual-boot FreeDOS along with Mac OS X on an old MacBook (late 2011) that I have. I've tried doing the live CD option and flashing it to the drive with Rufus. I'...
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37 views

How to boot from APSF volume?

I am trying to run 2 identical MacOS on my MacBook pro. I am following the following instructions: https://support.apple.com/en-us/HT208891 So far, I have added an APFS Volume, with flexible size, ...
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1answer
28 views

Dual booting older (2011) MBP into Windows and Linux (not macOS)

I was given a 8,2 15" MBP, and b/c its graphics won't allow me to install Mojave, I want to turn it into a dual booted Linux/Windows machine. (I'm a developer, and find myself needing to tread into ...
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12 views

Macbook shows ssd but volumes are gone after failing partition

Okay so i had two volumes. One was 225gb osx and other 25 gb ubuntu. My ubuntu space was running low so i wanted to resize the partition. I clicked on osx volume and resized it. I gave ubuntu 100gb ...
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1answer
107 views

How to delete a Catalina Beta from a disk with Dual-Boot Mojave and Catalina Beta

I have a disk with DualBoot Mojave and Catalina Beta in a single container. Catalina Beta has two volumes: 'MacOSBeta' and 'MacOSBeta - Data'. I want to delete the Catalina Beta os. Is it as simple ...
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0answers
74 views

How to restore Startup Manager Bootcamp option to point at Windows partition - GRUB overrided Startup Manager when Ubuntu installed

For getting macOS, Windows 10 and Ubuntu as boot options at start up, I: ran Bootcamp to install Windows 10. The result was macOS and Windows options available as boot options - when the option-key ...
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2answers
341 views

Triple boot on Macbook Air with external SSD

I own a 2015 Macbook Air running Mojave. I plan to triple boot Mac, Windows 10, and Linux by installing them (Windows and Linux) on an external SSD and booting from there. Preferably, I don't want to ...
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1answer
67 views

How to set a different encrypted boot volume without unlocking?

I have two MacOS installs as part of a dual-boot configuration on my MBP. Both happen to be Mojave 10.14. They are installed on two encrypted APFS volumes in the same APFS container. I want to be ...
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0answers
707 views

Booting linux from usb on macbook pro 2019

I've got linux iso installed on a bootable usb and boot it from refind which works fine. But when I choose to install ubuntu in the grub menu I get a black screen. After some digging online I read ...
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1answer
15 views

How do I shrink my Ubuntu partition and reabsorb the freed space into my Mac OS Mojave Partition?

How do I shrink my Ubuntu partition and reabsorb the freed space into my Mac OS Mojave Partition? I started with 250 GB SSD, to which I allocated about 65 GB for Ubuntu like 3 years ago. I installed ...
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1answer
114 views

Installing Older Version of MacOS/OSX alongside current

So with the end of 32-bit App support, I was thinking maybe if I run across an app that I really need to run than will no long run post 10.15, that it might be a good idea to have an older version on ...
2
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0answers
98 views

UBUNTU on MacOS, windows already installed

I am installing UBUNTU on my MACOS Mojave while windows 10 is already installed through bootcamp. I've tried the instructions in Installing Ubuntu on Mac with macOS and Windows already installed but ...
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1answer
36 views

System fails to recognize main macos boot partition after Ubuntu dual booting attempt

I recently attempted, and temporarily succeeded, in dual-booting Ubuntu and MacOS Mojave on my MacBook Air. After I installed and successfully tested Ubuntu, I tried to use Disk Utility to create a ...
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1answer
72 views

How to change the boot order of APFS volumes? [duplicate]

I recently set up a new APFS volume to support dual boot for the macOS Catalina beta alongside my Mojave install. Unfortunately, this new "beta OS" volume seems to have set itself up as the default ...
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0answers
380 views

Dual GPU switching on a MacBook in Windows dual-boot (without using Boot Camp)?

I am experimenting with a 2013 MacBook Pro and its capabilities, and have set up a Boot Camp partition. This works quite well with the applications that I need to run on Windows natively which use ...
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1answer
74 views

Mac OS not accessible

I was recently resizing a partition on my mac (10.13) and a partition came up named "recovery HD", I looked and saw that it only had 650mb. I tried to delete and couldn't along with the partitions ...
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2answers
2k views

Dual Boot Created a New Volume

I created a second bootable volume called "Beta" in order to install the macOS Catalina beta. I successfully installed and booted to this new volume, but when I returned to the first volume (which has ...
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0answers
172 views

Dual boot bootloader problems - Mac & Linux

I recently stumbled upon a problem with default MacOS bootloader. The scenario is next: My Macbook pro 2012 only has one 256 GB drive from where I specified 70 GB's of space to be used as Ext4 ...
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1answer
814 views

How to install High Sierra on a second partition on a MacBook which already runs Mojave?

I am running macOS 10.14 Mojave on a MacBook Pro with a single APFS volume. For testing I would like to intall macOS 10.13 High Sierra on a second volume / partition to be able to switch between the ...
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1answer
335 views

On dual-boot macOS/Ubuntu Mojave install failed with “This disk cannot be used to startup your computer.”

My box is mid 2012 MacBook Pro, 1 TB HD, Sierra 10.12.6. It has dual-booted with Ubuntu using rEFInd until the High Sierra installation failed, after which I only used Ubuntu. After uninstalling ...
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2answers
938 views

Why does Refind break when upgrading from Mac OS High Sierra (HFS) to Mojave (APFS) on NVMexpress Macs?

Problem: NVMExpress Macs that have Refind do not see the APFS container and I cannot boot into my mac. Also, apologies to those who were aware of this solution, but I faced this issue along with ...
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1answer
49 views

Ubuntu not booting after cloning (OSX and Kali)

the task was too simple - I had a 256gb ssd with OSX (apfs) and Kali (osx booted with Alt pressing and Kali booting on default - I suspect GRUB was operating). I think there was a problem after ...
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0answers
360 views

Dual boot: can no longer update to Mojave: “Disk cannot be used to start up”

I dual boot with Ubuntu. I have had no problem updating my system over the last 4 year (3 system updates). I now need to update to Mojave and get the error message This disk cannot be used to start ...
2
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1answer
462 views

Unable to boot into Mac OSX after updating dual-boot Ubuntu, Partition Type FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF

On my Mac OSX Mojave machine.. I installed Ubuntu 18.04 to attempt to dual boot on the internal Apple SSD. Worked for a while, but after some updates to Ubuntu... hitting the power button boots up to ...
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1answer
512 views

MacOS partition shows up as FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF (Mojave)

I suspect this this may be a duplicate, but I'm not sure what I should do considering almost everyone else has another macOS version or other partition size and I'm not sure how to generalize another ...
2
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1answer
902 views

Bootcamp disk not recognized, can’t get gdisk to work

UPDATE: This is for a Mac Pro (Mid-2010) MacPro5,1 with the latest firmware, 6-core 3.46 Intel Xeon, 32GB 1333 Mhz DDR3 memory. I tried the instructions on this post: Triple Boot: “Missing ...
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2answers
178 views

Does System Integrity Protection have any effects on OS's besides Mac OS?

If I understand correctly, SIP is a security feature that protects certain folders on Mac OS from modification, even by root users. I don't know how it works on a low level though, and I was ...
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1answer
315 views

Attempting to install High Sierra alongside Windows 10 (1809 October 2018 ISO): “This disk cannot be used to startup your computer”

I have installed Windows 10 (in UEFI mode - no bios emulation) first on an empty SSD of an iMac (mid-2011). Once I was done I attempted to perform a usb-install of High Sierra (I have a created an HFS+...
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0answers
198 views

Partition Type: FFFFFFFF-FFFF-FFFF-FFFF-FFFFFFFFFFFF on Macbook Air; gpt add error

[Solved] I recently installed Kali Linux onto my MacBook Air 2015, and shortly after, realized that I needed to install Refind to get the full functionality. I deleted the partition, which is 20 Gb, ...
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0answers
17 views

Booting to OSX on Secondary Drive Disables User Input

I have two A1297 17" MBPs. The first is a 2010 and the second is a 2011. Encountering graphics card issues with the 2011, but needed to use both computers until I take the time to sit down and switch ...
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1answer
1k views

Yet another corrupted partition table on macOS Mojave

I've seen a couple of posts on here addressing similar issues. Since I don't have in-depth understanding of what went wrong I have to describe what happened in my case and hope you'll help me. Thanks. ...
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1answer
54 views

Can't get iMac to stop booting Ubuntu

I've just inherited an iMac from a departed coworker. It is a 27" unibody model with sandy bridge i5 (not slim, so, from mid 2011). It came automatically booting Ubuntu 18.04.1 LTS as its default OS ...
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1answer
791 views

Bluetooth mouse won't connect, after turning Bluetooth off it won't turn back on

Fresh install of Boot Camp on macOS Mojave with a Windows 10 ISO from the Microsoft website. I'm trying to connect my Bluetooth mouse (which works fine and connects on macOS Mojave) to Windows and it ...