Disk Drill's data recovery boot disk is also an ideal solution when systems with deleted data that needs to be recovered fail to boot from the internal drive. Once your Mac USB bootable drive is created, you are ready for data recovery at any time.
Disk Drill 4 is now capable of creating your own bootable Mac OS X USB drives for data recovery. Chances are, the Mac with the disk, where the data was lost, will be able to start from the boot drive created. We officially recommend running data recovery on your startup disk ONLY when your Mac is booted from a different drive, using external docking stations, or Disk Drill's own bootable data recovery freeware. OS X 10.11.x-15 required as a source of system files.
The initial recommendation given to anyone who lost important data and would like to proceed with the data recovery is always to stop using the drive where the data was stored as soon as possible. You can turn your computer off, remove the drive in question from the docking station, do whatever may be required to prevent any further utilization of that drive. Set it aside, calm down and download a bootable data recovery app using any other computer. Disk Drill is by far the most convenient and up-to-date macOS bootable file rescue solution. It'll make your Mac boot from USB in just a few clicks.
Starting with Disk Drill 3, anyone can create a bootable Mac OS X drive in a matter of minutes. Make sure you have an extra storage device, which is at least 2GB in size. Connect it to any Mac, run Disk Drill and use the "Create Boot Drive" option on the main toolbar.
Disk Drill let's you run all its data recovery algorithms via a bootable Mac USB drive. This ensures the maximum amount of data stays intact during the recovery process, and other background processes or the operating system itself do not overwrite any recoverable pieces of information. Please note: Disk Drill does not provide any option to create bootable CD/DVD drives due to them becoming less popular and accessible in modern computers.
Data recovery cannot always be done on a running system. It's always a smart move to reboot using Disk Drill's Data Recovery Boot Drive and proceed from the minimal OS X boot from USB. Make sure the drive with lost data is completely disconnected. Get to any Mac, and download free Disk Drill. Install and launch it. Choose "Create Boot Drive" from the main list of available tools and follow the instructions.
Download Disk Drill
Drag to Applications Folder
Launch Disk Drill
So, you are ready to increase your data recovery chances and would like to make sure you restore every file and folder. You are on the right track! Get any extra USB drive or external disk, connect it to your Mac, and get ready to convert it into a bootable data recovery kit.
To create a bootable Mac drive you need any disk with Mac OS X 10.11.0 El Capitan or newer (10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, 10.15 Catalina) either running as your main system, or just being installed on a drive that's connected to your Mac at the moment. Go to "Create Boot Drive" feature, and choose the drive you would like to copy the OS X system files from to the new drive that we are building. Once the source disk is selected, proceed with choosing the destination to make a USB bootable drive.
Thanks to the bootable USB drive you just made with Disk Drill, you can now safely recover Mac data from any startup disk that is already unmounted to prevent any further data loss.
Insert the newly created bootable drive into the Mac where the lost data still resides. Reboot it holding down the Option (⌥) key. The list of available drives to boot from will be displayed. The one you created at previous steps that provides you with data recovery capabilities is called "Disk Drill Recovery". Go ahead, select it and boot your Mac up. Disk Drill software is already preloaded into the system that loads. Just run it as you regularly would to recover the lost data.
If you are looking for the solution for macOS 11.0 (Big Sur), please check out this article. The post will guide you through the process and will help you to recover your data safely and successfully.
With all the data recovery, data backup, disk management and optimization features Disk Drill becomes your all-in-one stop to perform disk imaging and secure data recovery at any time. Disk Drill is a well-known product available for multiple platforms for years.
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