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MAC INTERNET RECOVERY ON USB HOW TO
MAC INTERNET RECOVERY ON USB MAC OS
MAC INTERNET RECOVERY ON USB INSTALL
MAC INTERNET RECOVERY ON USB UPDATE

Here’s how Use target disk mode to move files to another computer. Here we’ll leverage your dads system using Target Disk Mode and connecting your system to his via a Thunderbolt cable. Make sure you formatted the USB drive with GUID and a journaled file system!īut, we still have a problem! As the your systems drive is still not formatted to the needed HFS+ file system. Unlike a bootable OS installer we need a full OS installed onto the drive. If not you’ll need to see if you can get ahold of the Sierra OS installer so you can create a bootable USB system to startup your system and you want to copy over the OS installer to it as well.

MAC INTERNET RECOVERY ON USB INSTALL

The easiest way to fix this is to leverage your dads system to format and then prep the needed USB drive to install the correct OS onto your system.įirst is your dad’s Mac running Sierra? If it is then we can move forward.

MAC INTERNET RECOVERY ON USB UPDATE

Your system likely had MacOS Sierra or something older and you installed either High Sierra or Mojave onto the drive but for some reason didn’t update the systems firmware so it can’t recognize the newer APFS file system the drive now has on it (Sierra and older MacOS uses HFS+) You now likely have no OS on the drive now but still have the wrong format on it. Your system’s firmware is not the correct one for your systems installed OS. Thanks for any help! Starting to lose hope now. I’m wondering if there is something else I can try?ĭo I have the option of taking the SDD out and wiping it using a caddy? This seems to get frozen and also won’t load.

I’ve tried using this by booting with CMD & option key and selecting the drive. Luckily my Dad has a new Macbook Air which I was able to use to create a recovery USB version of Mojave. Which I’ve had to do a lot recently, I’m wondering if this could be part of the problem. It froze so I had to hold down the power button. I’ve managed to get to the recovery screen once where I was going to try wiping the hard drive but I couldn’t see the hard drive there. This is able to connect to the server and starts downloading. If I try holding down CMD & R it loads Internet Recovery Mode.

Click on the arrow button under the disk icon.I’m hoping someone has a suggestion to help me fix my Mac which seems to be bricked.Ĭurrently when I boot my Macbook Air 2014 it loads the prohibitory symbol and doesn’t seem to go anywhere from here.

Select the disk icon for the USB flash drive.

Release the key when the Boot Manager screen appears.

Immediately after the chime press and hold down the " OPTION" key.

The bootable installer can be used to install macOS Catalina. Wait for the return of the Terminal prompt signifying the process has completed. You will be asked for your admin password.

Copy the command line (begins with "sudo") and paste that entire command line from below at the Terminal's prompt:Ĭommand for macOS Catalina: sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume Open the Terminal in the Utilities' folder.

Click on the Apply button and wait for the Done button to activate.

MAC INTERNET RECOVERY ON USB MAC OS

Set the Format type to Mac OS Extended (Journaled.) In the drop down panel set the partition scheme to GUID.Click on the Erase button in the Disk Utility toolbar.After Disk Utility loads select the drive (out-dented entry with the mfg.'s ID and size) from the side list.Open Disk Utility in the Utilities' folder.You will need a 16GB USB flash drive that has been partitioned and formatted for use with OS X as well as an installer for Catalina. Simply use the Terminal command by copying and pasting the command line into the Terminal window.

MAC INTERNET RECOVERY ON USB HOW TO

Second, read this How To outline for creating a bootable macOS installer. First, review this introductory article: Create a bootable installer for macOS.