Questions tagged [dual-boot]

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

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24 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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0answers
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
29 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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24 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
90 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
20 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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14 views

How to setup properly Clover EFI?

I need a little help to how to setup Clover Bootloader - to handle a dual-boot on a late 2008 unibody Mac(Intel dual-core 2GHz, 4GB). This Mac is already containing two partitions - see below - but ...
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0answers
94 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
14 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
69 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 ...
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0answers
93 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
30 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
37 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
147 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
69 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 ...
4
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1answer
180 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
75 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
530 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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0answers
282 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
742 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
31 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
341 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
391 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
365 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
421 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
155 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
301 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
144 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
46 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
719 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 ...
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1answer
713 views

Unable to boot Kali linux using rEFInd

I am currently trying to install and boot Kali Linux on my MacBook Pro 2018 which has the new T2 chip with boot security. I have disabled both SIP and Secure Boot on my Mac as well as installing ...
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0answers
891 views

Linux on Mac, dual-boot without rEFind EFI issues

So I followed the instructions here This actually worked great. I was able to install ubuntu and the dual boot is working, however, in my startup window I have a dummy Windows option that boots to ...
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1answer
37 views

Get out of booting into Ubuntu on multi-OS Mac

I installed Ubuntu on my iMac (Retina 21" late 2015) alongside macOS and rEFInd. Now, I believe the iMac boots automatically to Ubuntu in console mode. I tried a lot of combinations of keys, but ...
1
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1answer
325 views

Does resetting NVRAM reset EFI Boot Order?

I've had a Macbook Pro for a year or so now and have experimented with quite a few Linux distributions which have added and changed things in the EFI Boot Order. I am looking to clean things up. The ...
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1answer
3k views

Mac on Windows 10 blue screen of death

I've installed 64 bit Windows 10 onto a separate partition on a mac. This was done manually, as the bootcamp software that comes with MacOs creates a partition that Windows wouldn't install on. The ...
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0answers
18 views

How to suppress warning about unreadable disks?

I have a dual boot machine, High Sierra and Windows 10. I have 4 disks in a software RAID created in Windows. Every time I boot macOS, it warns me that these disks are unreadable and must be ...
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1answer
74 views

Accessing the Terminal on a 2008 MacBook Pro, when booting in single-user mode

I am booting my 2008 MacBook Pro into single-user mode and attempting to access the Terminal by using the key combination Command + s during startup. But it doesn't appear to be working. Pressing ...
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1answer
6k views

Not able to mount EFI partition with diskutil after installing Ubuntu

I installed Ubuntu as dualboot for a specific task to a 30 GB partition. It worked, however I found out I could do the same thing in macOS, so I removed the 30 GB partition. I also wanted to remove ...
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3answers
69 views

High Sierra doesn't boot after ubuntu partition deletion (which was dual booted)

About 4 months ago I dual booted High Sierra with ubuntu. I dedicated 20 GB of my hard with default Disk Utility. Recently I tried to merge the partition back, but during this process it failed and ...
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2answers
739 views

Attempts to install Windows 8.1 onto an Early 2011 MBP are failing

So I have spent the past couple of days attempting to install Windows 8.1 onto a MBP with High Sierra. Apparently, this model is unable to create and boot from a USB dive. So the normal Boot Camp ...
0
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1answer
94 views

Unable to use Boot Camp to switch boot device between MacOS/Windows 10

I have a Mac Pro 4,1 upgraded to a 5,1 with MacOS installed on an SSD and Windows 10 installed via a hacked Boot Camp on a separate HDD. I'm running a GTX680 GPU which is Mac OS flashed to allow the ...
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2answers
1k views

Is it possible to install macOS onto external SSD on a Mac running Ubuntu?

Currently I am running only Ubuntu on my MacBook Air. Many have suggested I reinstall or install macOS on an external drive in case I ever need to troubleshoot, or in case something goes wrong. How ...
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0answers
38 views

Importing Linux and Windows Dual Boot from Parallels

I am looking at triple booting my Mac soon with macOS, Linux and Windows. I also want Linux and Windows available as a virtual machine. At the moment, I have Windows dual booted and have imported it ...
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0answers
29 views

Install High Sierra on a dual booted MBP [Mac 10.11.6 and Windows 7]

I have a Late 2011 13" MBP running OS X El Capitan 10.11.6. I needed to run some windows apps on my lappy so I used Boot Camp Assistant to partition --the only storage disk my laptop-- a 250 GB SSD ...
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1answer
44 views

how to boot a from a DVD?

On a friends older MacBook, I'm holding the ⌥ Option key with a bootable DVD inserted but am not seeing a boot menu. I've tried rEFIt as well as some Linux DVD's I have lying about. I've checked the ...
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2answers
3k views

Windows 10 on 2011 Macbook: is audio fixable?

I've been trying to install Windows 10 on an early 2011 Macbook Pro. It's not officially supported, but I read everywhere it can be done. There are some troubles though. I have successfully ...
2
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1answer
308 views

Replace windows installation on Macbook pro with Ubuntu

I have a MacBook Pro (13-inch, Mid 2010) running OS X El Capitan with dual boot Windows. I would like to replace windows with Ubuntu 18.04. The command disktil list shows: #: ...
3
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2answers
2k views

What's a triple boot method(macOS, Linux, Windows 10) that is safe and (relatively) easy to do?

I originally thought it was as simple as using Bootcamp and then making a partition for Linux. But apparently installing Linux breaks the Windows installation. I currently have High Sierra installed ...