Questions tagged [bootable-disk]

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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 ...
meto's user avatar
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3 votes
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655 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 ...
gosmond's user avatar
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2 votes
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87 views

Can't boot up macOS system nor reinstall/format it

I'm stuck here with a strange situation. When I turn on my macbook pro 13 m1, I can't select the system to boot up with. Nothing pops up, can't run it in a safe mode. When I go to the disk utility ...
GreedyMaster's user avatar
2 votes
1 answer
2k views

Bootcamp- your device ran into a problem and needs to restart

Have had many successful USB Windows 10 installs before. Not sure what's going on here. I have tried creating the USB with a PC using Rufus, Hasleo, and windows media creation tool. No matter, same ...
Charlie's user avatar
  • 21
2 votes
0 answers
163 views

Booting iMac from External SSD & UASP support in iMac, Docking station or USB to Sata Adapter?

I have Late 2013 iMac which has 5400 RPM HDD and I find it really slow. So, I purchased a Crucial MX500 SSD. I have now cloned my HDD to SSD using superduper and then booted from it. It worked. But I ...
lightsaber's user avatar
2 votes
1 answer
1k views

System hangs when creating bootable disk drive

I followed the instructions provided in this answer which explains how to make an El Capitan bootable disk from a system running Catalina I copied the commands exactly as prescribed, reproduced here: ...
CodyBugstein's user avatar
2 votes
0 answers
42 views

Booting a Mac clone from a partition on a usb 3 external drive

I'm unable to boot a MacBook clone from a partition on an external drive. I'm in the process of finally upgrading the OS of my mid-2012 MacBook Pro from Yosemite to Catalina, and need to make a ...
Splosion Lowbeam's user avatar
2 votes
0 answers
58 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 ...
Sam's user avatar
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2 votes
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2k 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 ...
Shaihi's user avatar
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2 votes
0 answers
164 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 ...
NoahL's user avatar
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High Sierra does not boot on a second container after reinstalling Monterey on another container

Mac Pro 4.1 (2009) + Opencore Patcher 0.6.8 M.2 SSD 500GB (2 containers: 250GB High Sierra + 250GB Monterey) Lately I've had several warnings in Monterey about hash mismatch detected volume disk1s5. ...
octane's user avatar
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92 views

How do I install High Sierra on APFS external hard drives?

How do I install High Sierra on APFS external hard drives? I only want to boot High Sierra off the drive on RARE occasions, for testing purposes. I don't care how slow it is, bad performance, etc.. ...
sbimos's user avatar
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1 vote
0 answers
118 views

Upgrading old Mac with SMART issues

I have an older MacBook Pro running 10.9 Mavericks with SMART warnings on the drive. (I understand this means it will eventually fail but I’ve been using this MacBook just fine for the last 5 years ...
Mars2020's user avatar
1 vote
0 answers
2k views

MacOS Monterey createinstallmedia Error : Failed to extract AssetData/boot/Firmware/Manifests/InstallerBoot/* from update bundle

I'm trying to create a bootable USB with a MacOS Monterey disk image. I have a MacBook Pro Mid 2012 i5 (MacBookPro9,2). I'm using Open Core Legacy Patcher (OCLP) to run Monterey (macOS 12.4 21F79 - 12....
RapidRice's user avatar
1 vote
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83 views

How do I install Big Sur from a USB without having to change settings in Startup Security Utility

I sold my old Air on eBay and the customer returned it with "fakesoftware" as the username. I ended up keeping both the Mac and the money because this user was a scammer of some sort. Anyway,...
Loie Benedicte's user avatar
1 vote
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107 views

How to check Startup Security Utility values for MBP with Apple T2 Security

I am trying to check the values for Apple T2 Security - Startup Security Utility for "Secure Boot" and "Allowed Boot Media" (which allow the Macbook Pro to boot from an external ...
Mike's user avatar
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0 answers
58 views

Bootable Drive Problem

I've followed this guide on creating a bootable drive to downgrade from Big Sur for MacOS Catalina. I bought a new flash drive, plugged it in and erased it. I set the SanDisk Cruzer Blade Media to a ...
Adam Cooke's user avatar
1 vote
1 answer
133 views

Help with 2009 Mac Pro not booting from El Cap USB after an update failure

Mac pro 2009 4,1 Boots up but no video output (black screen). It was working fine on the old OS that was on it(not sure which OS). I want to update to the highest OS (el capitan) it can run. So I did. ...
markm's user avatar
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1 vote
0 answers
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Error Installing Lion MAC OS on my Mac/book Pro Early 2011

Background: I purchased an old Mac Book Pro early 2011, It came with High sierra installed. Unfortunately I leave the mac on without the power cable, the mac entered into hibernation mode and ...
Christian Cardona's user avatar
1 vote
0 answers
4k views

Error on EL Capitan Installation This copy of the Install OS X El Capitan application can't be verified. It may have been corrupted or tampered

I have created bootable pendrive using https://support.apple.com/en-in/HT201372 I am trying to dump ELCapitan on my mac. but it throwing error This copy of the Install OS X El Capitan application can'...
Jack's user avatar
  • 129
1 vote
0 answers
58 views

2017 MacBook Pro has no startup disk when updating MacOS beyond Sierra

My 2017 15" MacBook Pro gives a flashing question mark every time I try to update to a newer OS. The install process looks completely normal until it restarts for the last time and boots up to a ...
tmshaffer's user avatar
1 vote
0 answers
4k views

Create an old bootable USB Stick Sierra or High Sierra on a brand new Mac with Catalina

All I need is just an install media for sierra or high sierra. Sound's easy but unfortunately isn't. I have a MacBook Pro 13" with the latest Catalina installed (10.15.3). To download High Sierra ...
Chilian's user avatar
  • 111
1 vote
0 answers
2k views

Marking the EFI system partition on a USB flash drive as bootable

Using only MacOS (no GParted or other Linux utilities), how do I mark the EFI system partition on a USB flash drive as bootable? Insert an empty USB flash drive and launch Disk Utility Erase the ...
kayjtea's user avatar
  • 111
1 vote
0 answers
554 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 ...
Orb Erb's user avatar
  • 11
1 vote
0 answers
1k 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 ...
SirJoe's user avatar
  • 11
1 vote
0 answers
452 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 ...
JVC's user avatar
  • 2,781
1 vote
0 answers
734 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 ...
Spotlight's user avatar
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1 vote
0 answers
467 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 ...
Ilmari's user avatar
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1 vote
0 answers
135 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 ...
Jake3231's user avatar
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1 vote
0 answers
138 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-...
Jaydeep Vyas's user avatar
1 vote
0 answers
827 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 (...
Ashkaan's user avatar
  • 11
0 votes
0 answers
45 views

Mac OS system restore using Time Machine from bootable USB- Big Sur and later

I have a close friend in a rural area whose typical download speed is 6 Mbps. They're running macOS Monterey. System restoration using Time Machine from the internal recovery partition would be ...
GordonH's user avatar
  • 21
0 votes
0 answers
238 views

Run Linux system in bootable USB but very slow on Mac laptop

I install the Linux (Ubuntu 22.04) in the USB 3.0 drive by my MacBook Pro (Retina Early 2015 13"), but when I open Linux, everything is slow. For example, when I open Firefox, I need to wait 5 ...
Simon's user avatar
  • 1
0 votes
0 answers
3k views

How can I use Windows to create a High Sierra USB flash drive installer from the disk image (.dmg) file not downloaded from Apple?

I have tried methods from previous OSes. My Mac will recognize my USB stick, but I get the error message "The path /System/Installation/Packages/OSInstall.mpkg appears to be missing or damaged&...
j0rby's user avatar
  • 1
0 votes
0 answers
131 views

Options to create a macOS recovery disk only with recovery tools included?

I have several Macbooks available that need to be restored, and cannot be connected to the network due to their location, and other conditions. At the workplace I was provided with a USB flash drive ...
SilentBronyRain's user avatar
0 votes
0 answers
124 views

Booting MacOS Big Sur from USB not working (MacBook Pro mid 2015)

Have created a bootable USB installer according to these instructions: https://support.apple.com/en-us/HT201372 for my MacBook Pro mid 2015 (A1398). Pressed Option key while booting, selected the USB ...
Ross's user avatar
  • 121
0 votes
0 answers
100 views

Corrupted USB Pendrive is not listing in Disk Utility, but listed in ioreg -p IOUSB

I was attempting to create a bootable Windows 10 USB stick with help of Rufus. I ran it on a Windows 10 VM (via VMWare Fusion) and left Rufus do the job. After a couple of hours, I came back to check ...
Shinji Kaedehara's user avatar
0 votes
0 answers
1k views

Holding down the option key isn't allowing me to see boot menu on iMac mid-2010

I get an old iMac mid 2010 without hard drive and when I press "alt" on Windows keyboard (equivalent of "option" on Mac) nothing happens. Then the Apple logo appears with a charge ...
LOOP's user avatar
  • 1
0 votes
0 answers
27 views

Mac recognizes usb installer, but instead of booting into it, it boots from internal hdd

I've used this usb drive in the past to restore macs and I don't remember what I did to get it to work. I get into the drive selection for booting, the usb with high sierra installer is there, but ...
Suhly's user avatar
  • 1
0 votes
0 answers
780 views

Mac unable to boot memtest86 usd drive

I've just downloaded MemTest86, written it to a USB flash drive using Etcher, but I'm unable to boot from it. I can't see it in the boot options. What am I doing wrong? The main issue is my Mac keeps ...
haxpanel's user avatar
  • 253
0 votes
0 answers
2k views

Bootable pendrive takes lot of time during 'Copying installer files to disk...'

I am creating bootable pendrive with MacOS_ELCapitan using Macbook Pro 2019(Cataline). using https://apple.stackexchange.com/a/388508 this thread. But i am getting Copying installer files to disk... i ...
Jack's user avatar
  • 129
0 votes
0 answers
31 views

Creating a OS X El Capitan bootable installer on a MacBook Pro to reinstall a MacBook Air

Is it possible to create a bootable USB installer on a MacBook Pro and use it to install macOS on a MacBook Air? For example, I'd like to use a MacBook Pro to create a bootable USB installer for El ...
Ann Kai's user avatar
0 votes
0 answers
79 views

iMac will not boot after Catalina auto-update

I woke up the other morning to a prohibitory icon (circle with a line through it) on my iMac. I believe this was due to a failed Catalina update but I am not sure. I had it set to auto-update. I am ...
TKK's user avatar
  • 101
0 votes
0 answers
74 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 ...
Ali_Rashid's user avatar
0 votes
0 answers
42 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 ...
Jason FB's user avatar
  • 383
0 votes
0 answers
299 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/...
Martin Macak's user avatar
0 votes
0 answers
91 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 ...
Sizzle's user avatar
  • 1,439
0 votes
0 answers
313 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 ...
ylluminate's user avatar
  • 5,301
0 votes
0 answers
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 ...
muffel's user avatar
  • 1,639
0 votes
0 answers
754 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: ...
soxman's user avatar
  • 1,925