How to run M3 Data Recovery in macOS Recovery mode?
After your Mac won't turn on, you can run M3 Data Recovery in macOS Recovery mode and then save your data.
If the operating system of your Mac is Mac OS X 10.8 and later version, follow below solution to recover data from Mac that won't turn on.
Method 1: (Require macOS 10.12 and later)
Step 1: Start your Mac into Internet Recovery mode.
If your Mac was introduced before 2018, turn on your Mac by pressing the Power button and hold down the OPTION + COMMAND + R keys immediately until you see the spinning globe. You will see the spinning globe instead of the apple logo because here you're starting macOS Recovery mode via the Internet.
If it is T2 Mac (introduced in 2018 and later), please press OPTION + COMMAND + R + SHIFT key combinations to run M3 Data Recovery on that T2-secured Mac to do T2 chip data recovery.
If it is Apple M1 Mac, refer to How to recover data from M1 Mac that won't turn on?
Step 2: Connect your Mac to Internet. Loading and activating M3 Data Recovery for Mac require Internet connection.
Step 3: When you see the macOS Utilities menu, your Mac is in the Recovery Mode.
Step 4: Open Terminal from Utilities drop-down menu.
In the macOS Utilities > Reinstall macOS, you can see which operating system is installed in the Recovery Mode.
Step 5: Run the following command:
sh <(curl boot.m3datarecovery.com/boot.sh)
1. There are two spaces in the above command, one space after sh, another space after curl.
2. If you see a message "No such file or directory" after running the above command, it means you entered the wrong command, please enter the correct one and try again.
3. If you see a message "Could not resolve host: boot.m3datarecovery.com" after running the above command, it means your Mac has not connected to Internet. When running M3 Data Recovery in macOS recovery mode, it needs to load M3 Data Recovery from our Server, please connect your Mac to Internet and try again.
4. If you receive the message "Please insert an external drive to install M3 Data Recovery and press return to continue", it means there's not enough space on your Mac. So, please plug in an external drive, such as a USB drive, to your computer and then continue. Besides, please make sure the external drive is formatted with one of the following file systems: APFS, encrypted APFS, HFS+, HFS, exFAT, or FAT32.
5. If you receive the message "Read-only file system", please jump to solution 2 and follow the steps there.
Wait a moment to launch M3 Data Recovery for Mac in macOS Recovery mode.
Step 6: After M3 Data Recovery for Mac launched, please follow the wizard to recover lost data.
Step 7: After your data is found, you need to purchase M3 Data Recovery Professional/Technician for Mac and then recover lost data.
Method 2: (Require Mac OS X 10.8 and later)
Step 1: Plug the USB drive into the healthy computer. Please remember the name of the USB drive.
Step 2: Download the two files as below and save them to the root directory of your USB drive.
Step 3: Plug the USB drive into your unbootable Mac.
Step 4: Boot your unbootable Mac into macOS Recovery mode.
Step 5: Open Terminal.
Step 6: Type following command:
From the listed drives, find the path of USB drive. For example, /Volumes/Work Space as showing in the picture below.
Step 7: Type the following command and press Enter:
cd 'the USB drive location'
For example: cd '/Volumes/Work Space'
Step 8: Then type the following command:
chmod 777 ./boot.sh && ./boot.sh
Step 9: After M3 Data Recovery for Mac launched, please follow the wizard to recover lost data.
Step 10: After your data is found, you need to purchase M3 Data Recovery Professional/Technician for Mac and then recover lost data.
Step 11: Activating M3 Data Recovery for Mac requires Internet connection.