how to format mac hd disk outside computer

#How to format mac hd disk outside computer how to#
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When the software prompts you that it is done, click on the 'Quit' button. It will take some time for the process to complete.

#How to format mac hd disk outside computer install#

(Note: all data in the selected drive will be overwritten so that the wizard can install the needed data to make the external hard drive or USB stick into a recovery disk.) Select the drive you want to use to create the OS X Recovery Disk.Agree to the terms and conditions and wait until the software detects your external drive. Attach an external hard drive or USB stick and launch the Recovery Disk Assistant.

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Wait until the download is complete and double-click on the file, which should be named 'RecoveryDiskAssistant.dmg.' This will create the Recovery Disk Assistant.appfile - drag it into your Applications folder.

Download the Recovery Disk Assistant from the Apple website if you do not have it already in your Applications/Utility folder.

Once you have made sure both requirements are fulfilled, follow the following steps to create an OS X recovery disk:

An external USB drive or SD card with at least 1GB free space.

If you have a newer Mac, use Internet Recovery to get the system online.

To create an OS X Recovery Disk, make sure that your machine is at least running on OS X Lion or Mountain Lion and that there is an existing Recovery System on its startup volume.

Before you start, here are some of the things you need to adhere to:

#How to format mac hd disk outside computer how to#

Read on to learn how to create OS X Recovery Disk that you can easily access anywhere, anytime. In these situations, having your OS X Recovery Disk easily accessible on an external USB drive or SD card would be beneficial. This method will also not work if you had upgraded an old Mac to run on a newer version of OS X. But what how can you access this hidden partition if something goes wrong with your hard drive? You can always connect your computer online and initiate the OS X Internet Recovery feature, but realistically, you may not always have an internet connection. Mac users could no longer depend on physical recovery disks to help them fix any problems on their machines. Since OS X Mountain Lion, everything went digital and maintenance-minded. Part 2 How to Create an OS X Recovery Disk Click the 'Repair Disk' button to start fixing this button. To check the problem your Mac has, click the 'Verify Disk' button. Click 'Disk Utility' and choose the drive you want to repair on your Mac.(Note: if you do not see this, but instead see a login page, you will need to restart your Mac and do the whole process again).

When your Mac has started up, the OS X utility window will appear and prompt you to choose one of the four options listed above.

Continue to do this until the Apple logo appears.

To put your Mac into Recovery Mode, restart your machine and hold down the 'Command + R' keys on your keyboard simultaneously.

You can also eject your external hard drive if you drag-and-drop its icon from your macOS desktop to the Trash icon on the dock.Here is how to repair Mac disk and recover Mac with OS X Recovery Disk:

Click the Eject icon (⏏) to the right of the external hard drive.

On the left side of the Finder window, locate the external hard drive under Devices.

On the keyboard, press + E to eject the external hard drive.

Locate the external hard drive on the desktop.

If no message is displayed after five seconds, it is likely safe to disconnect the external hard drive. In this example, the option to eject the external hard drive is named 'Eject My Passport Ultra.'Īfter clicking the eject option, wait for a message stating it is safe to remove the hardware before pulling the external hard drive out of the computer. Click the name of the external hard drive.

A menu lists the removable media you can eject.

In the Notification Area of the taskbar, click the up arrow to view the items in the systray.