#Format external hard drive mac disk erase failed how to#

Please read this page to know how to free up storage on Mac when itРІР‚в„ўs not enough.

Use third-party software: you can also back up a MacBook/MacBook Pro/MacBook Air with third-party programs.

Store your files in iCloud: iCloud and iCloud Drive are also used widely to backup important files like documents, photos, music, videos, and contacts.

Back up with the built-in Time Machine: you can configure Time Machine to back up all your files automatically.

You have two choices: transfer files to another Mac/external hard drive and make a backup of the important files. Please ensure the security of your data on your Mac hard drive. Wipe USB Drives: Erase Your Data Completely & Securely! What to Do Before You Sell, Give away, or Trade in a MacBookР”В«efore talking about how to wipe MacBook (how to wipe a MacBook Pro to sell), IРІР‚в„ўd like to show users what they should do before erasing the Macintosh HD. What should you do? Do you need to take out the disk drive and ruin it? How to wipe a MacBook completely? All of these questions will be answered later. However, you need to remove the data completely when you plan to change a hard drive, sell/trade in the old Mac, or give away your MacBook to others.

In general, you need to protect hard drive data well to prevent personal data loss/leakage.

What to Do Before You Sell, Give away, or Trade in a MacBook.