Questions tagged [boot]
Questions about booting, the process of starting a computer and putting it into a state of readiness for operation.
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Can Carbon Copy Cloner still produce bootable clones?
According to their web site, Carbon Copy Cloner can produce bootable clones of your internal hard drive. However I downloaded it, and NO WHERE in the user interface, and NO WHERE in the help ...
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Can a bootable external drive be used on a different Mac?
According to this post on the Carbon Copy Cloner web site, it is no longer possible to boot your Mac to an external bootable clone if the internal storage is not working. This at least partially ...
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Recover files from mac in recovery mode - apfs missing
I'm trying to recover files from my mom's mac that is not working. It's a MacBook Pro (Retina, 13-inch, Early 2015).
Trying to boot it up results in the folder with a question mark. Trying to boot ...
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Three beeps on boot attempt, no boot possible (MacBook Pro 2011)
I was using my MacBook normally (just Firefox open). Suddenly the screen froze and it started to beep three times. I switched it off. Now, when I attempt to boot (including in recovery of single-user ...
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Can boot with external SSD via USB, but can't boot USB flash drive with same data
I have a SSD, which I'm using to boot sometimes from. Yosemite is installed on it. I have some legacy apps there which do not run on newer OS versions (Catalina and newer).
Now I've cloned the SSD ...
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Triple booted macbook pro has 6 boot options instead of 3, how do I delete the rest?
After struggling with triple booting (Kali, windows & macOs) for sometime, I finally won. But now I have two problems I will start with what I think is an easy solve for those with much more ...
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White screen - MacBook 15” early 2011
I have a MacBook Pro 15" early 2011.
It has been slow and full since a long time so I decided to upgrade it with a Samsung 870EVO 2.5 SATA SSD.
Since then, I can't access anything.
I can't boot ...
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Third party extension is preventing M1 2020 MBP from booting
MBP 2020 M1,
OS: Big Sur 11.7.9
My mac started malfunctioning lately: this morning I opened the lid and was greeted by the recovery screen telling me that there was a problem with the computer.
I ...
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Cannot boot Mac OS via USB (created via M1 chip) on 2012 MacBook Air, freezes for a while and then just ignores it
I am trying to revive my old 2012 MacBook Air (Model A1465) to use an older version of MacOS for a program that could only run on MacOS High Sierra or earlier. Luckily the Mac comes with a ...
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1
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System Crashes, SSD Boot Partition Not Found after Power Surge
Hi all—I've read this community for a long time, and am now hoping you can help me more directly.
I was using my 2012 MacBook Pro last night when the power in my home went out and came back. The ...
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Startup Disk Cannot be found (cannot reinstall macOS from Disk Utility in Recovery Mode) [duplicate]
Last night, I was booted my MacBook Pro and it was working find, after a few minutes restarted my MacBook Pro with Bootcamp. But then it showed a screen with a circle a line through it. I noticed that ...
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When I try 'sudo gpt -r show disk0' I get: 'gpt show: unable to open device 'disk0': Operation not permitted'. How could be this overcome?
Trying to replicate the gpt option on this post How to examine disks and their partitions via terminal?
I do:
sudo gpt -r show disk0
what I get is:
gpt show: unable to open device 'disk0': Operation ...
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1
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Unable to boot from USB installer (17-inch, 2.66GHz MacBook Pro (MB604LL/A) [duplicate]
I have an old 2009 macbook pro that had problems with hard drive. I changed it to new SSD (also updated ram to 2x4gb 1066MHz DDR3 SDRAM PC3-8500S), and created bootable USB in windows with TransMac ...
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2
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How can I do a GPT (Guid Partition Table) sector raw backup with `dd` like in a UNIX/Linux-MBR fashion?
I want to "raw copy" with dd the critical GPT (~ Guid Partition Scheme) bytes of my computer's main hard drive, to an arbitrary file.
I tried to do the equivalent MBR/Unix/Linux in my Mac (...
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How to mount external SSD with encrypte APFS volume very early during boot?
I have an external SSD connected to my MacBook Pro (2021, M1, macOS Vetura). On the external drive is an encrypted APFS partition. I installed some huge applications to that external drive to save ...
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Touchbar MBP with broken screen won't display on external monitor
I have a Macbook Pro, not sure which year but it's Intel-based with a touchbar and 4 USB-C/Thunderbolt connectors. Recently the screen broke, and the Mac by itself is completely unusable. The computer ...
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1
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iPhone 3G won't boot
I have an iPhone 3G that has worked well in the past, but it was put away for several years (after I got an iPhone 4s), and when I took it out again it wouldn't boot. It was jailbroken some years ago (...
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MacBook reboots during Debian installation
I'm trying to install Debian on my MacBook Pro (late 2013):
prepare a bootable usb: $ sudo dd if=path_to/debian-live-12.0.0-amd64-xfce.iso of=/dev/sda
plug in usb drive and reboot MacBook:
The ...
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Macbook won't boot from USB or do Internet Recovery after deleting main volume
After encountering some errors with the main volume of my 2019 Macbook Pro, I deleted the volume (and, I think, recreated it), expecting to be able to reinstall MacOS on it from Recovery. (I believe ...
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My MacBook Pro Mid-2009 is not detecting any external USB drives in the boot menu
I'm trying to install Windows 7 on my Mid 2009 MacBook Pro using Boot Camp and when I go restart and hold option key, the USB drive is not being detected. I tried other USB's and I get the same issue. ...
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How to stop MacBook Air 2023 from powering up with any key or touchpad press? [duplicate]
CLARIFICATION: I'm looking for an answer to how to stop a powered down MacBook from turning on when ANY key is pressed.
Just as a note, the known procedure to (successfully) stop a powered down ...
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Cannot install macOS, because new account never linked to macOS. Will a bootable USB work?
I have copied the title from this thread, because my case is very similar, but not quite the same with respect to one detail. Basically, I got a second-hand Mac Pro that was all set up by the previous ...
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2020 intel MBP bootlooping but still boots into windows
I've reset PRAM and the SMC mutliple times. Have also revived the T2 chip. The machine bootloops if you try to: start it in MacOS, enter recovery mode, reinstall the os from a bootable drive or enter ...
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Mac 13 application crashes only during reboot but has no issues manually launching launchctl
My app is code signed. The package is notarized using altool and stapled. Only thing is my app is notarized but still not stapled dont know why, even though package is stapled validated through ...
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538
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Macbook air 2011 cannot boot from USB
I have problem with my macbook air 2011 11" . I had linux on this macbook but i would like to install original Mac OS. I erased original ssd disk and wanted to install mac os lion via recovery ...
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Can't Install macOS
I have a MacBook Air (Intel) that doesn't have macOS on it. Here's what I've tried to get macOS installed:
Install a fresh copy from Apple servers - got "Recovery Server Could Not Be Contacted&...
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Can't boot Big Sur 11.2.3 installer. Can't set Startup Disk to createinstallmedia -created installer on M1 MB Air, with Big Sur or Ventura [duplicate]
I can't boot a createinstallmedia -created installer on M1 on microSD or SSD, with Big Sur 11.2.3, but I can boot one made with Ventura.
I want to reinstall Big Sur 11.2.3, which is what the Mac came ...
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Is there any efibootmgr command-line equivalent in MacOS to see bootable targets?
I found this text in a book (on linux) and i was wondering if there is an equivalent in MacOS.
"To determine if your system uses a BIOS or UEFI, run efibootmgr. If
you get a list of boot targets,...
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iMac 10.15 Catalina takes 2+ hours to boot
One of the 12 iMacs here has a big problem: it takes two hours or more from pressing the button to turn it on until finally ditching the progress bar and showing up the desktop.
It is a MacOS 10.15 ...
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Mac mini 2018 (Ventura) cannot boot Windows 10 on external external SSD
On my Early 2015 MacBook Pro (Monterey) I successfully created bootable Windows 10 on a partition on an external SSD using the method given in Answer 1 here:
Drivers not working on Windows 10 ...
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Does the iPhone have an unencrytped boot partition?
I'm trying to understand how the iPhone (and any other device) accomplishes its full-disk-encryption. When I have experimented with this on a Linux machine, when I encrypted the disk with LUKS ...
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How to completely remove unwanted Ubuntu dual boot partition?
I previously had a dual boot (Linux and macOS) setup. I added UBUNTU and SWAP partitions to the existing macOS partition.
I no longer need Linux so I deleted the UBUNTU partition but I still see the ...
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Unable to boot iMac, folder with question mark on boot, failed to format drive
I'm unable to boot an iMac with Mac Os Ventura, every time I switch on the computer a folder with a question mark appears on screen.
I just hope the drive is not damage and that I might be doing ...
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2009 Macbook Pro w/ broken Catalina OS won't recognize bootable OS X USB [duplicate]
Disclaimer: Several similar questions to this one have been asked before. Most of those solutions have been tried without luck.
TLDR version at the end:
My problem and the troubleshooting steps ...
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How do I make boot verbose in my Mac (i.e. Monterey) and also how can i see the specific boot log any time after (journalctl -k linux-like command)?
I would like to:
Know how to configure my MacBookPro (Monterey), to boot in verbose mode (see all the messages cascade).
Know if there is an equivalent for journalctl -k in Mac. (I know that there is ...
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MacBook Pro 2012 - black screen after flat battery
After working perfectly whilst never being allowed to run completely flat, booting after a flat battery, even after fully recharging, doesn't switch the backlight on. This means the user cannot see ...
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MacBook Pro shows folder with Question mark when it's plugged in
For the past few months, I’m experiencing a problem when I charge my MacBook with the lid closed; the computer gets hot and when I open the lid it shows a blinking folder with a question mark inside. ...
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Can I delete macOS Partition from Boot Camp and then load a new macOS?
On my Mac, I can only access Boot Camp and not macOS. It keeps on restarting, when I’m trying to access macOS.
I can’t also load Recovery, Internet Recovery and it fails to boot from from USB. It ...
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`UNMOUNTABLE_BOOT_VOLUME` on Bootcamp Windows 10
Hi all — a few years back, I set up a SanDisk Extreme PRO 128GB SSD flash drive to act as a bootable disk for Windows 10 when plugged into my fiancée's early 2015 MBP (currently running Catalina) so ...
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How to disable startup chime on MacBook Pro 5,2 (2009)
Following instructions for a different problem, I reset my MacBook's NVRAM with the result that now the previously disabled loud startup chime is back when powering on the system.
I followed the ...
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How to bless boot partition for Ubuntu 22.04 on an Intel (2009) MacBookPro
I asked this on the Ubuntu exchange where I personally think it belongs, but they directed me here so please don't close this and tell me to ask there.
I'm booting from the Mac OS X Lion installation ...
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MacBook Pro 2012 black screen at boot [duplicate]
I have an MBP 2012* [non-retina] I recently acquired.
It worked just fine for several weeks until I left it, fully shut down & not on charge [mode 25 iirc] for two weeks.
I assume the battery went ...
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Catalina Patcher - OCLP EFI boot option persists
I have a 2011 Mac Mini (5,3) and just installed a brand new SSD, then fresh installed Catalina using Dosdude's Catalina Patcher. The installation and post-install update went well. After all was done, ...
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Installed Mac OS on external drive but OS updates install onto the internal drive
I want to install the latest Mac OS on an external NVME SSD. My old fusion drive is running slow.
However, in the past whenever I've done this, ive found that whenever there was an OS update my Mac ...
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2
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Mac Pro 1.1 (2006): No Chime, No Boot after SSD Upgrade
I also have a small problem with my Mac Pro...
2x 2.66 GHz dual core
nvidia GT 420 1GB
8 original RAM
I had a 2.5 inch HDD on which I had windows 10 pro and it ran on my mac 1.1 and I wanted to ...
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the unbootable (unbeatable) imac
have an imac that's been dead since an update tried to reformat the internal hybrid/fusion hdd to APFS.
the mac can only boot into single user mode. recovery hangs, safe mode hangs, boot disks hang.
...
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How can I clone my internal BOOTCAMP to a bootable USB?
I have problems with a windows game on Bootcamp that used to work fine, and now doesn't. So I tried making a bootable bootcamp on a USB. Bootcamp runs on the USB but I would say it doesn't run as well ...
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Mac won't boot into Recovery Mode or Internet Recovery Mode
I have mid-2012 MacBook Pro with an HFS formatted hard drive running macOS 10.13.6.
Previously, I was using Bootcamp to run Windows. But, after few months, I uninstalled Windows. Since then my Mac ...
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1
answer
801
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How to install a fresh macOS on an iMac with a new hard disk?
I have an old iMac with a brand new disk (completely empty). I do not have the old disk, I just have the new one. Of course, now it can't boot, and the flashing folder with the question mark appears. ...
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Unable to boot to bootable installer for macOS Ventura
I can't boot to an external flash drive to install macOS Ventura.
I created a bootable installer USB drive by following the instructions at: https://support.apple.com/en-us/HT201372
I ensured my mac ...
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