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Questions tagged [bootable-disk]

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Cannot install macOS Sonoma to an external SSD on MacBook

I want to install macOS Sonoma from my M3 MacBook Air which runs Sonoma as well on the internal storage. My goal is to install a second OS to an external Samsung T7 SSD and then run the computer from ...
raynoralpha's user avatar
1 vote
0 answers
21 views

iMac (Retina 5K, 27-inch, Late 2015) not booting from USB Catalina getting prohibition symbol

Every time it's powered on (with no keys pressed) it shows a prohibition symbol. Using Command+R for reset doesn't work(same prohibition symbol). Pressing Option mid-chime brings up the disk menu(its ...
Jossy's user avatar
  • 11
1 vote
0 answers
38 views

Official source for OS version 14.0 for creating bootable drive [duplicate]

I am trying to create bootable drives for various versions of Mac OS. In particular, I would like to create an installer for the original version of Sonoma (14.0). However, I do not see this version ...
mushroom's user avatar
  • 236
1 vote
1 answer
180 views

Unable to burn Windows 11 ISO image in macOS 14 (Sonoma)

macOS Sonoma 14.4.1 (23E224) Downloaded Windows 11 ISO image on mac and now I want to create a bootable USB so that it can be used to install Windows 11 on my desktop PC, but found no free software ...
xkeshav's user avatar
  • 245
0 votes
0 answers
75 views

Not enough space to upgrade Mac OS via bootable USB

I'm trying to upgrade an oldish MacBook AIR from (I think) High Sierra to Big Sur. I've made a bootable USB and it's working fine: Power ON with holding Option/Alt Select USB boot Goto Menu Install ...
Pure.Krome's user avatar
2 votes
0 answers
48 views

How to completely remove MacOS (Ventura) from Macbook Pro 2019 with T2, and install Linux? [closed]

System: Macbook Pro 2019, Intel, T2, 16 GB RAM, No USB port (Using VIVA USB hub), Ventura 13.6.5 Issues: (1) Hash Volume Mismatch (2) Not re-installing MacOS (3) Bootable USB Drive is NOT showing up ...
tom_kp's user avatar
  • 71
1 vote
1 answer
120 views

How to clone a bootable USB drive with multiple partitions on Mac?

I have a 128 GB USB flash drive with 4 bootable macOS partitions. Is there any way to clone this USB drive and keep all partitions bootable? I want to share this USB drive to my friends and don't want ...
Clyde Daniel's user avatar
1 vote
0 answers
32 views

Boot a live OS from external usb drive on a Silicon M1 [duplicate]

I need to take a dd image of a MacBook (Model A2179) EMC 3302 hard disk. I have no way to recover the password to access the system, so I was going to live boot something like puppy or ubuntu to dd ...
Kodeeo's user avatar
  • 121
1 vote
0 answers
30 views

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
  • 11
0 votes
0 answers
63 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
1 vote
0 answers
115 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
  • 61
2 votes
1 answer
358 views

iMac 2011 10.13.6 High Sierra

Just upgraded HDD to SSD Everything booted fine and recovery mode has opened However before installing the SSD i've made it a bootable device with clean Install HighSierra app so i don't have to rely ...
Wwvvr12's user avatar
  • 21
0 votes
0 answers
400 views

Offline install HighSierra on a MacBook Air 2011 [duplicate]

How do I install macOS High Sierra from a USB stick offline? I installed a new disk to a MacBook Air 2011, created a USB stick with High Sierra base image in Linux which boots to recovery. I can ...
user avatar
1 vote
0 answers
142 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
0 votes
0 answers
31 views

Trouble Booting MacBook Air (2018 Model) [duplicate]

Hi everyone so I bought a MacBook Air off someone on Facebook market place and it was working fine. but stupid me was sketched out about putting my information in until I factory reset myself thought ...
AlekNaomie BurtPilon's user avatar
2 votes
0 answers
99 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
0 votes
1 answer
8k views

How to create a bootable Windows 11 installation USB drive (for a PC) on macOS and avoid the error "media driver on your computer is missing"? [duplicate]

I bought a PC without OS and I want to install Windows 11 on it. But I only have a Mac and a flash drive at hand. Neither my Mac nor the PC have a DVD drive. I cannot use Microsoft's official Media ...
Pierre F's user avatar
  • 400
0 votes
0 answers
295 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
1 answer
197 views

Adding an ISO image to an APFS volume and booting it

I know there is tons of information on this and similar questions on this site, but I have been at this for a couple hours and could use some confirmation of a few specific details. I just want to ...
Julius Hamilton's user avatar
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
1 vote
1 answer
300 views

Need Boot Manager at startup every time. (old question, new problem)

I need the boot manager at startup every time. I have a 2014 mini with 2 bootable partitions. Yosemite on one and Catalina on the other. Obviously, need to run legacy software. When running Yosemite, ...
George Jackson's user avatar
0 votes
0 answers
157 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
1 answer
1k views

Will an external NVME drive at 2700 MB/s work on macOS?

I’m looking to buy a Samsung 980 pro NVMe M.2 and sticking it in an ACASIS enclosure. It should get 2700 MB/s read and write. I’m wondering if that will be fast enough to boot and run macOS purely ...
cfn's user avatar
  • 3
2 votes
1 answer
2k views

Samsung T7 as bootdrive not suitable?

Does anybody have experience with a Samsung T7 as bootdrive? I used external SSDs for about 4-5 iMacs (all different SSD brands). This time I used a fairly expensive Samsung T7 for my own iMac. Since ...
jona's user avatar
  • 241
0 votes
0 answers
17 views

Was trying to upgrade an El Capitan iMac, deleted entire HD in setup process... How do I make a bootable USB of Capitan on my High Sierra Mac? [duplicate]

The title says it all... I've tried several guides off Google .. There's no recovery on the iMac that had El Capitan... I have another iMac with High Sierra, so I how do I make a bootable El Capitan ...
Sheep's user avatar
  • 101
0 votes
1 answer
128 views

M1 Air not seeing Big Sur installers in boot picker

I have an M1 Air, and I wanted to downgrade it to Big Sur (more specifically, 11.2.3). So I created a USB installer, tested it with my Intel machines, and they were able to boot into the installer USB ...
chirusayok9'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
0 answers
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
3 votes
1 answer
2k views

How do I enable USB boot after deleting my recovery partition?

I did a rather careless thing while in disk recovery (I was wiping a MacBook Pro 2018 for re-use) and I accidentally deleted the root volume, which means everything. Because I don't have a recovery ...
Tim Post's user avatar
  • 163
0 votes
1 answer
842 views

I removed the rEFInd and rEFIt boot managers and now I've lost Windows Bootcamp from the Mac Startup Manager

I installed rEFInd boot manager because I wanted to add a linux partition. I already had bootcamp set up. However, after installing rEFInd, my Mac UI scaling was too large and slightly blurred. I have ...
Alfie Stoppani's user avatar
1 vote
1 answer
856 views

Why use the legacy Apple Partition Map scheme for macOS install media?

Several guides to creating disk images of macOS install media (using the createinstallmedia command) recommend creating the disk image like this: hdiutil create \ -size 10g \ -type UDTO -...
rgov's user avatar
  • 589
0 votes
1 answer
965 views

Can’t boot into MacOS from Windows(Bootcamp)

When pressing the option during startup, MacOS isn’t shown as an option to boot into. Using the tray in win10 to “Restart in MacOS” also doesn’t work. It just restarts back into Windows 10. It is an ...
Ryan's user avatar
  • 1
1 vote
1 answer
931 views

Installing macOS on an external SSD fails (m1)

When trying to install MacOS on an external SSD, the internal SSD is always booted when restarting. When I select the external SSD in the bootloader, it only shows that the installation is corrupt. In ...
Mike Keller'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
0 votes
2 answers
1k views

Best type of disk image to use on NAS to archive Mac system copies on a NAS

I bought a shiny new NAS with plenty of space. I also have quit a few old pysical external hard drives with bootable macOS system copies: I always make a copy of my system which I store away when I ...
halloleo's user avatar
  • 1,417
1 vote
0 answers
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
  • 111
0 votes
2 answers
197 views

How do I know how much space createinstallmedia needs?

I want to make a Bootable installer, and to save on physical space (having a bunch of flash drives laying around), I decided to have a drive in MacOS Extended (Journal) format partitioned to contain ...
Meh.'s user avatar
  • 446
2 votes
2 answers
3k views

Downloading Catalina to M1 for Intel Macbook [duplicate]

I need to download macOS Catalina and make a bootable USB for my macbook pro 2015 which has intel chip. But have only m1 chip macbooks here, can't download from app store. It says Not compatible for ...
msalihbindak's user avatar
1 vote
0 answers
61 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
0 votes
0 answers
131 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
137 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
2 votes
2 answers
2k views

Making an ISO file from an Apple provided DMG file? [duplicate]

I'd like to make a bootable ISO file from Apple-provided DMG file located under Download macOS using Safari on your Mac from: https://support.apple.com/en-us/HT211683. They provide a DMG file with a ...
Meh.'s user avatar
  • 446
1 vote
1 answer
217 views

Problem creating a Windows 10 bootable USB on Windows, to work on a MacBook Pro

I have a MacBook Pro 2013, now with a clean SSD (no OS). I have a Windows 10 PC from which I am trying to create a bootable USB from a Windows 10 ISO file. I tried a lot of combinations and softwares, ...
Fred Sócrates's user avatar
0 votes
1 answer
2k views

How can I create a BIOS USB stick for ASUS ROG Strix X570-F in OS X?

I need to install a new BIOS for my new motherboard ASUS ROG Strix X570-F here where I need USB flashback tool and BIOSRenamer. I need flash an USB stick and then rename the file somehow but the tools ...
hhh's user avatar
  • 3,934
3 votes
2 answers
236 views

Mac not bootable, save files with other mac

I am looking for a way to recover files from a Mac. Following facts: The files I want to recover are on Mac #2. I have another Mac if I need it. Mac #2 no longer turns on. It no longer boots up. It ...
JuniorDev's user avatar
0 votes
1 answer
339 views

How can I make a bootable USB copy of Mojave downloaded from Apple when the file is an app and not a disk image?

When I try to open the Mojave install app on my computer with Big Sur, it says that the operating system is too old and so it will not let me open it in order to install it on the external usb drive. ...
Andrew Richmond's user avatar
0 votes
1 answer
550 views

Can I boot from a USB stick containing MacOS if there is an issue with MacintoshHD?

So my mac HD started playing up and then refused to work, would not boot. Tried recovery mode but it wouldn't allow me to run first aid on the Macintosh HD drive. Created a MacOS USB boot up stick by ...
adolf garlic '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
1 answer
1k views

Big Sur bootable installer cannot be created or corrupted after creation

I have an iMac 27" 2015 that I want to do a clean install of Big Sur on it. I followed the tutorial on creating the bootable installation media but it failed with an error: "/Applications/...
workoverflow's user avatar
0 votes
2 answers
811 views

How to change USB scheme when making bootable Catalina installer?

Background: Upgraded to Big Sur on 2020 MacPro (not the one with M1 chip), hate it, trying to revert to Catalina using a USB bootable installer (followed instructions given at the Apple website How to ...
Anthony's user avatar
  • 103

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