Mac Os Recovery Usb

What Is an OS X Recovery Disk? The OS X Recovery Disk is a native but hidden recovery volume on your Mac hard drive. This feature can be used to start up your machine and perform emergency maintenance services such as repairing a corrupted drive by running Disk Utility, surf the Internet to assess the problem you might be experiencing or download any necessary updates. How to Create a Mac Recovery USB. Step 1 Open the Disk Assistant. To start the Mac OS create a recovery USB process, you need to open the ‘Recovery Disk Assistant’ from the Disk Utility. Go to the ‘Applications’ folder and then click on the ‘Utilities’. Step 2 Select your USB drive. Once you have this established, you can follow these steps to get your Mac into Recovery Mode: Reboot your Mac. Hold down 'Option' on your keyboard once you hear the chime sound. Attach your bootable OS X Recovery Disk to your Mac and select it from the prompt list. Your Mac will launch into Recovery Mode and you can start fixing your Mac. If none are found, your Mac downloads and boots from a Recovery HD image. But even if your Mac has this feature, you’ll still benefit from having an emergency drive, as it can take a while to download the Recovery HD partition. Purchasing a USB Drive for Your OS X Recovery Disk. If you don’t have a spare USB drive, you’ll need to purchase. You can transfer files between a Mac booted into macOS Recovery and another Mac by sharing a volume and connecting the two computers with a USB, USB-C, or Thunderbolt cable. Connect the two computers with a USB, USB-C, or Thunderbolt cable. In the Recovery app, choose Utilities Share Disk.

  1. Mac Os Lion Recovery Usb
  2. Mac Os Recovery Usb
  3. Mac Os Recovery Usb Disk
  4. Mac Os Sierra Recovery Usb
  5. How To Make Mac Os Recovery Usb

Sep 08, 2021 • Filed to: Solve Mac Problems • Proven solutions

Recovery Mode in OS X provides a set of solutions for users to utilize when users need to repair and reinstall their operating system in an emergency. You can also reset the Mac password using recovery mode if needed. There are several ways to boot Mac into recovery mode. If you find one method overwhelming, there are several other alternatives you can use. We will walk you through the different ways on how to boot Mac into recovery mode so that they will become undoubtedly useful in a rare emergency.

Part 1: How to Boot Mac in Internet Recovery Mode

Along with the introduction of a locally stored recovery volume, Apple introduced its Internet Recovery service that allows your operating system to download contents of the recovery hard disk partition from the company's service. This option is great to use when your local drive is completely corrupted and you no longer can access locally-stored recovery tools.

Related: If you boot your Mac for lost data recovery, we suggest that you can try recovering files from dead Mac on your own.
Restore macos from usb

To launch Internet Recovery, make sure your Mac is connected to a WiFi network and follow the steps below:

  1. Reboot your Mac.
  2. Hold the 'Options', 'Command', and 'R' buttons until the boot chimes are triggered.
  3. Wait until the system finished downloading the recovery tools from Apple's website.

It is noted that you are unable to boot Mac into Recovery Mode if you are using devices older than the ones below:

  • MacBook Pro (13-inch, Early 2011)
  • MacBook Pro (15-inch, Early 2011)
  • MacBook Pro (17-inch, Early 2011)
  • iMac (21.5-inch, Mid 2011)
  • iMac (27-inch, Mid 2011)
  • MacBook (13-inch, Mid 2010)
  • MacBook Pro (13-inch, Mid 2010)
  • Mac mini (Mid 2010)
  • MacBook Pro (15-inch and 17-inch, Mid 2010)
  • iMac (21.5-inch and 27-inch, Mid 2010)
  • MacBook Air (11-inch and 13-inch, Late 2010)

Part 2: How to Create a bootable drive into Recovery Mode

You can create a bootable drive to store an OS X Recovery Disk so that you can access recovery tools anytime, anywhere. It would be great if you could invest in a high-capacity USB 3.0 flash drive to store the required tools.

Mac Os Lion Recovery Usb

There are plenty of articles outlining how you can create a bootable OS X Recovery Disk, including ours. Once you have this established, you can follow these steps to get your Mac into Recovery Mode:

  1. Reboot your Mac.
  2. Hold down 'Option' on your keyboard once you hear the chime sound.
  3. Attach your bootable OS X Recovery Disk to your Mac and select it from the prompt list.
  4. Your Mac will launch into Recovery Mode and you can start fixing your Mac.

As you can see, there are plenty of methods you can use to boot Mac into Recovery Mode. There is no need to panic when you find yourself in trouble - just choose and master the method that seems least intimidating to you and you will be well on your way. After you boot Mac into Recovery Mode, you can also restore your data on Mac.

Related: read and know more complete details on how to create a bootable drive on Mac.

Part 3: How to Boot Mac with Installation Disk

If you are using an older Mac, it probably comes with a grey recovery DVD that you can use to run recovery routines. If you had bought a copy of a newer operating system, you can also use the installation disk to perform recovery.

It is the easiest way to go into Recovery Mode and here is how you can do it:

  1. Insert the grey DVD and reboot your Mac.
  2. Hold down 'C' on your keyboard until you hear the boot chimes.

The recovery tool will take some time to load. Follow the wizard that will put your Mac into Recovery Mode.

Mac Os Recovery Usb

Part 4: How to Boot Mac into Recovery Mode with Local Recovery

  1. Reboot your Mac.
  2. Hold the 'Command' and 'R' buttons until the boot chimes are triggered.
  3. You will see the OS X utility window that will prompt you to choose one of the four options.

Part 5: How to Boot Mac into Recovery Mode from Time Machine

It is really important to keep backups of your machine and Apple facilitates this with its Time Machine feature. It would be best to store your backup on an external drive so that you can initiate Recovery Mode using this when your hard drive is wiped out.

Follow these steps to boot Mac into Recovery Mode:

  1. Reboot your Mac.
  2. Hold down the Option button when the startup chimes sound.
  3. Connect your Time Machine drive. It will take some time for the system to detect the drive. You might need to key in your password.
  4. Choose the drive to launch your Mac into Recovery Mode.

After all the above methods, you finally fail to boot your Mac into Recovery mode. Don't worry. We also provide further solutions for you - Fix 'Cannot boot into Recovery mode'. For those who need the data recovery solution, Recoverit would be a nice option. Free download and try it now.

Video Tutorial on How to Boot Mac into Recovery Mode

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After successfully created a macOS bootable USB, the next step is how to use it to install macOS from external USB drive. This is not normal case because macOS is very stable and have less bugs/virus than Windows PC. So many Mac users don't know how to perform a clean install of macOS on their Mac when the device was broken or could not boot into desktop.

Please don't worry. We will share detailed steps on how to install macOS/Mac OS X from an USB drive. Even you had issues during this process, it is not thing to be afriad as we have offered the troubleshooting guide as well.

How to Install macOS on Mac from USB Drive (Normal Way)

If the target Mac computer already had a macOS or OS X on it, then installing macOS from USB is straightforward and this is called the normal way.

Step 1: Insert the macOS bootable USB drive on a USB port of Mac computer.

Step 2: Shut down the Mac and wait for 1-2 minutes. This will make sure the Mac is powered off.

Step 3: Hold the Power and Option key simultaneously for 15 seconds. This will bring up the Startup Manager on Mac.

Step 4: You will see all bootable devices attached to this Mac, including Macintosh HD and external USB or DVD. Click the drive name of your macOS bootable USB to start the installation process.

Step 5: Agree the terms and conditions and wait for the installation process to be done.

How to Install macOS on Mac from USB Drive (Advanced)

If the drive was not partitioned or the partition table was corrupted, then you can not install macOS on Mac with the normal way. You have to boot Mac into Recovery mode and format the hard drive or SSD to Apple file system first.

Step 1: Shut down your Mac and press the Power key to turn on the Mac; then immediately press Command and R keys.

Step 2: You will be directed to the macOS utility section and here you need to select 'Disk Utility' to format the USB drive. From the Disk Utility app, select Mac drive name under Internal section and then click on the 'Erase' button.

Step 3: You will get a couple of options from the Format. Pleasec choose APFS (macOS) or Mac OS Extended (Journaled) for old version Mac OS X.

Step 4: After the completion of the formatting process, go back to the macOS utility section and this time, select 'Reinstall macOS'.

Step 5: Further, go to the Startup Manager, move to the External drive section, and select your bootable macOS USB drive.

Step 6: Now, the configuration of MacOS will start. As soon as the process starts, it will provide Terms and Agreement page and your job is to agree with the same and then click on the continue button.

Step 7: After that, click on the 'Continue' button to start the installation process. This will take 30-45 minutes and once it gets completed, restart Mac.

Step 8: As you are using the fresh copy of MacOS on Mac machine, so you need to set up the OS and for that connect the Mac with the Wi-Fi and then sign in with the Apple account.

Step 9: After signing in, you can access the several products of Apple such as iCloud, DropBox and many more.

Mac Os Recovery Usb Disk

Quick Troubleshooting Tips if You Got Stuck during MacOS Installation

Could not write installation information to disk

If you see the message like 'Could Not Write Installation Information to Disk' when you are trying to install the OS, it means, some important files are missing from the bootable USB device. Mostly, this error happens when you download Mac OS file from an unauthorized site.

You can fix this issue just by downloading the original OS file from the Apple store and then create a fresh bootable USB using the same.

Mac Os Sierra Recovery Usb

Compatibility error

If you are upgrading the OS X after having an older version, you can get the compatibility error message. In such case, just cross-check the system requirement for the OS you want to install on your Mac system.

You can fix this issue just by downloading the original OS file from the Apple store and then create a fresh bootable USB using the same.

macOS could not be installed on your Computer

If you see the error message similar to 'macOS Could Not Be Installed on Your Computer' that means, either your system is not compatible or the Date and Time settings in your system is not up to date..

To resolve the problem, first, check the system combability for the OS X. If it's fine and still you are facing the error, then just update the system Time & Date with the option of 'Local Apple time server'.

Application is damaged, can't be used to install macOS

Mac

How To Make Mac Os Recovery Usb

You the message 'application is damaged, can't be used to install macOS' appear on your screen, it means the OS certificated has been expired. And so, you won't be able to proceed further for installation.

The simple solution is; you need to create a fresh bootable USB by downloading the MacOS file from its official website.

MacOS couldn't install on this computer

Sometimes, the thirty-party tool which you use to create a bootable USB is the culprit. If the OS files will not be copied successfully using the bootable tool, then you may see the message like 'MacOS couldn't install on this computer'.

In this case, you should avoid using a third party bootable tool despite you should create a bootable USB with the help of command.

Conclusion

The above tutorial covers most of the issues you could come across during the installation process. If you had other issues not mentioned in this article, please contact us and our technical team will help you fix it.