Questions tagged [bootable-disk]

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490 views

How to create a custom macOS Mojave 10.14 read-only boot volume?

Preamble 5 or 10 years ago it was common for power users to create their own customized OS X 10.7/10.8/10.9 boot CDs and DVDs using third-party utilities like "BootCD." With the decline of CD/DVD ...
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9k views

Where does Mojave download the Mojave installer?

Similar to this, I would like to understand where Mojave is downloading itself when I download it from the App store. The Application folder doesn't have anything like Install MacOs Mojave or ...
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36 views

Booting into macOS installer; possibly stuck

I'm trying to boot into a macOS Sierra installer that I made today. For the last about 20% of the progress bar, it was booting extremely slowly. Now, the progress bar has been stuck for the last ~20 ...
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1k views

Bootable USB with Ubuntu does not show in boot sequence options

I followed this question (How to create a bootable Ubuntu USB stick Using OS X 10.10.2) to turn the Ubuntu 14.04 ISO to a bootable USB. I have a MBP (with touchbar) running 10.12.5. After rebooting ...
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160 views

Bootcamp partition won't boot MacOS beta

I created and used a Windows 10 Bootcamp partition on my retina MBP 2013 running MacOS 10.12.2 about a month ago. I recently returned from a three week trip (I left my laptop at home) and installed ...
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269 views

Catalina update fail, no bootable disk , can't access files

I'll start by saying that my issue is incredibly similar to Mac stuck in restart cycle after failed macOS Catalina update but being a new user I couldn't comment there nor I had any answers ...
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72 views

How to create bootable installation media for Mojave without erasing the target drive

I would like to use my existing external ssd (500GB) as a bootable Mojave installation disk. But I don't want to erase the contents or format the drive. This page has the general instructions https://...
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688 views

Making Uninitialized APFS Volume Bootable

Recently I installed Ubuntu on my MacBook Pro (Mid 2012) on a second volume. I wanted to change to the Ubuntu Volume through Startup Manager and used this tutorial to do so: Installing Ubuntu on Mac ...
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402 views

How to create a bootable USB key of Sierra, from High Sierra?

I have a 2018 MBP running High Sierra. I need to do some troubleshooting on another older Mac that is running Sierra, so I want to create a bootable USB key of Sierra. Unfortunately my High Sierra ...
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356 views

PowerMac G5 stuck with full fan in OF, no boot devices

I'm working on a PowerMac9,1 (Late 2004 PowerMac G5 with single core) that refuses to recognize any external boot devices on the option/alt boot manager screen, including Debian and the Mac OS X ...
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112 views

Can the 2009 MacBook Air be booted from USB?

There seems to be a lot of confusion, conflicting information and assumptions about this matter, so I'd like to clarify that this question is specifically about the 2009 model of MacBook Air. I am ...
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62 views

How to Create Virtual Bootable Thunderbolt Drive

Considering the speed and versatility of Thunderbolt, it can be very useful to boot from a thunderbolt device on a Mac. Would it be possible to use a disk image on one Mac to create a virtual ...
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131 views

Problem Installing High Sierra (10.13)

I have created bootable pen-drive using installer. I performed following Steps but it failes. Erase the Hard-disk from disk utility. restart the iMac (hold down - Option key) it shows me the pen-...
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707 views

How To Create A Bootable USB Installer for Windows, Linux and OSX?

How can I use my 120GB USB Drive as an ultimate IT tool? I want to have the following ISOs partitioned off and accessible through a bootloader (any): Windows 5,6,7,8,10 OSX 10.6,7,8,9,10 GParted (...
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14 views

MacBook Pro 2017 has problems when live booting from usb into parrot linux distro

I used Balena Etcher software to flash my usb with the image / iso of parrot linux distro the security edition. the live booting went fine but when it was all booted up I could not move mouse or do ...
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18 views

How to re-format a deleted volume in macOS High Sierra/Mojave

After installing Catalina on a machine I realized some programs I want to run on this machine are still 32-bit. So I went to downgrade from Catalina to High Sierra and since there's no way to re-run ...
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59 views

Catalina USB not bootable

I have followed all tutorials available to make bootable Catalina USB I used following command to create bootable USB sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/...
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38 views

How to create a bootable Linux iso from an existing iso?

I am trying to create a completely unattended installation of CentOS. To do that, I downloaded the latest CentOS iso, and followed the directions listed here. After I attached the iso with hdiutil, I ...
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82 views

Cannot boot into any OS, Recovery or Safemode. (Macbook Pro 15 Ret Mid 2012)

My SSD was partitioned for Windows and macOS. I use the Macbook almost exclusively for Windows 10. Mid 2012 MBP Retina 15" 2.3Ghz 8GB. I recently began having problems booting into Windows. The ...
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153 views

How to make a bootable USB drive from a dmg containing multiple partitions

I have a USB flash drive of the Mojave installer from which I created a dmg containing two partitions: the installer partition and a custom EFI partition. The drive booted and installed fine. How do ...
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60 views

What does one do when MacBook Pro 2017 not recognizing thumb drive needed to boot startup?

I wiped my 2017 MBP's drive at the direction of Apple support, to start fresh on my MacBook and try to eliminate/pinpoint a battery drain issues...now there is no bootable disk on the MPB. I went ...
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242 views

MacPro4,1 USB Boot?

Just bumped into an odd problem with my MacPro4,1 (2009/Nehalem) wherein I cannot boot from USB bootable disks. My various disks are recognized from System Preferences -> Startup Disk, however they ...
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2k views

iMac does not show bootable USB drive on boot menu

I downloaded the Linux USB Image of memtest86 and used dd to get the image on a USB flash drive. Whenever I used it on an iMac Late 2006 (running SL) or the newest Macbook Air 13'' (running ML) the ...
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730 views

Restoring to previous state: concerns with Carbon Copy Cloner and Time Machine conflict

One week ago I experienced an odd and catastrophic failure of my MacBook Pro. The details of the failure are not important, and the relevant parts have been replaced, among them a new HDD. Side note: ...
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1answer
99 views

Is it possible to a full system Copy and run it in Parallels?

i have Mac Server and i want to have a full copy of the System. So i can play around and test new Software and Upgrades before i apply it to the real System. I am using Parallels and want to create a ...