Questions tagged [dual-boot]
Refers to booting more than one operating system on one computer.
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Can’t load Mac OS
I had dual booted Ubuntu. When i removed the partition i made a mistake and now I can’t access Mac OS!
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52 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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1answer
85 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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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
190 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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207 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
378 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
23 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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260 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 ...
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1answer
237 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
184 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 ...
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1answer
186 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
113 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
274 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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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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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
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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
39 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
599 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
550 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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826 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
28 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 ...
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1answer
274 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
2k 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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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
52 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
5k 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
64 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
633 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 ...
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1answer
83 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
959 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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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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rEFInd text tool tips for boot menu
How can I customize the rEFInd boot menu so that there's text next to the various penguin icons?
This is done through the label option?
(I'm not at the MacBook presently, but planning ahead.)
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0answers
26 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
43 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
2k 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
273 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:
#: ...
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2answers
1k 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 ...
3
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1answer
2k views
Triple Boot: “Missing operating system” on Windows 7 partition after Ubuntu installation
I tried to install Ubuntu (without rEFInd) and followed this article on how to achieve that on a dual boot Mac (macOS and Windows): Installing Ubuntu on Mac with macOS and Windows already installed
...
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0answers
242 views
How to boot into internet recovery mode with rEFInd installed?
I have the bootup manager rEFInd installed on my Macbook. The key combinations for recovery (Command R and Command R+I) just boot into rEFnd's bootloader. At this point in time holding the option key ...
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1answer
762 views
MacBook Pro fans are loud after partitioning disk for Boot Camp use
After installing Boot Camp on my MacBook Pro 14,1 the fans in my computer started to make loud sounds like squeezing a plastic bottle every time when it runs at high speed.
After sending it to a ...
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2answers
25 views
Can I put my HD into an enclosure boot into it and expect all my apps / programmes to run?
I’ve got to send my laptop, MBP mid 2012, running OSX 10.10, into a repair shop.
I use the computer for work so can’t really be without it. Could I take 5e HD out (this is one of the old MBPs with a ...
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1answer
53 views
Would it be safe to use Ubuntu on an unsupported Mac?
I run OS X El Capitan on a Unibody MBP 13-inch mid-2009 and support for El Capitan is likely going to run out in fall, so as El Capitan is the last OSX update supported for my MBP, I will stop using ...
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0answers
848 views
Internet Recovery - No progress
I am trying to use internet recovery to install OS X Yosemite and dual boot it with High Sierra on my 2015 model 13-inch Macbook Pro, but I’m having some issues. I can boot into Internet Recovery, can ...
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1answer
305 views
How to mount HFS+ rEFInd partition as boot in Arch Linux
I am currently trying to set up dual boot on my Mac. I installed rEFInd to its own partition (512MB), formatted as "Mac OS Extended (Journaled)". I wanted to use the same partition as my boot ...
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1answer
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OS X partition doesn't show up after dropping iMac, Windows still works
I physically dropped an iMac tonight, shattering the protective screen. The computer was sleeping when it got dropped. The drop was from a couple feet high, and booting up looked promising until I ...
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1answer
3k views
Linux on Macbook, dual-boot, without rEFind
Is it possible to install a Linux distribution on a Macbook Pro partition and do a dual boot, without installing rEFind.
Thanks!
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1answer
9k views
Can't install Windows on Boot Camp (Retina MacBook Pro, mid-2015)
Running High Sierra (APFS, unencrypted) with up-to-date Boot Camp Assistant (6.1.0) — clean OS install a couple days ago.
Running into trouble at every step of the process, with both Windows 10 64-...
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1answer
78 views
Wanting to Make Linux Partition, Will I Be Able to Delete It Later?
I've been trying to create some persistent USB Linux thumb drives loaded with Elementary OS and a few other Linux distros, but have had no such luck. I don't really like the idea of partitioning my ...
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0answers
106 views
Grub2 Reboot ISO - Similar process for Mac OS Bootloader
First, let me say I'm new to Mac... Just helping a friend with a fried OS by re-installing Mac.
When I do data recovery, I usually load a LiveISO via USB, but since I may be helping them again, I ...
