how to prepare a hard drive for mac os x

Prepare A Hard Drive Mac OS Extended

You dont need a bootable installer to upgrade macOS or reinstall macOS, but it can be useful when you want to install on multiple computers without downloading the installer each time.

If the installer opens after downloading, quit it without continuing installation.

You will create the bootable installer from this app, not from the disk image or.pkg installer.

Prepare A Hard Drive Mac OS Extended

Make sure that it has at least 12GB of available storage and is formatted as Mac OS Extended.

These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume youre using.

If it has a different name, replace MyVolume in these commands with the name of your volume.

Terminal doesnt show any characters as you type your password.

Terminal shows the progress as the bootable installer is created.

Learn about selecting a startup disk, including what to do if your Mac doesnt start up from it.

If you need to connect to a Wi-Fi network, use the Wi-Fi menu in the menu bar.

Besides, if you get your data lost during the problem-solving process, you can retrieve your data with EaseUS Data Recovery Wizard.

This page includes 3 reliable solutions that can assist you in removing the read-only error from your external hard drive, making it readable again on Mac.

Pick up any method below to make your device accessible without losing any data now.

If you have any clues to get permissions to access the read-only external hard drive on Mac, please tell me.

When your external hard drive or other external storage devices show up as Read Only on your Mac, you can.

If you find your external hard drive is NTFS format, thats what the cause is.

The incompatibility of the file system is the main cause of the error-external hard drive Read Only on Mac.

NTFS is a file system that is optimal for Windows-based computer.

Although the Mac operating system allows you to read the files on external hard drive, you cant write files to it because the way that NTFS writes data to the device is incompatible with the way of macOS doing it.

When you use the device on another computer with a different OS, the permission settings with it may not be recognized or prevent access to the files on the hard disk.

If you see a warning says the device is only being mounted in read-only mode while connecting, your hard disk is diagnosed to have formatting errors that prevent you from writing files to it.

Before that, remember to back up your external hard drive quickly with a highly-efficient data backup software since the formatting will erase all the files on the device.

Thus, if you want your external hard drive to be both Mac and PC compatible, choose MS-DOS, also known as FAT, or ExFAT instead.).

If you cannot view or see all saved data on the drive, dont worry.

After you format it, you can use the Professional Mac hard drive recovery software - EaseUS Data Recovery Wizard for Mac to get back your lost data on the drive with simple clicks.

Its far from perfect, partly because todays advanced disk technology makes data-recovery more difficult than it was with the simpler technology of the past, but its fast and efficient.

You wont find lots of extra options hidden in a system of hidden menus, either; what you see really is what you get.

The default free space is 500 MB and you may share the product on social media to get another 1.5 GB.

There is still a chance to recover the data content with the RAW Recovery method in our software.

As reference,most drive recoveries can be completed in around 10 to 12 hours for a 1-TB healthy hard drive in general conditions.

How To Prepare A Hard Drive For Mac Os X