Some external hard drives need to be plugged into an outlet to work.Īn external hard drive is a data storage device that connects to a computer with a cable, typically USB or FireWire. Connect an external hard drive to your Mac.
Formatting your drive will wipe out all the data in it. Note: If you already used your external hard drive on a PC, be sure to back up any files on it.
How to Reformat Passport External Hard Drive From Read Only to Read and Write for use with Mac computers.IMPORTANT: WHEN YOU REFORMAT YOUR HARD DRIVE YOU.
