Reformat drive mac os x

Here's how to format USB on Mac

If you need to erase your disk before installing macOS, select Disk Utility from the Utilities window, then click Continue. You probably don't need to erase, unless you're selling or giving away your Mac or have an issue that requires you to erase. Learn more about when and how to erase. If your Mac restarts to a setup assistant, but you're selling or giving it away, press Command-Q to quit the assistant without completing setup. Then click Shut Down.

How to Format External Hard Drive for Mac & Windows (MS-Dos or ExFat?)

When the new owner starts up the Mac, they can use their own information to complete setup. Decide whether to erase format your disk If you need to erase your disk before installing macOS, select Disk Utility from the Utilities window, then click Continue. Click Continue, then follow the onscreen instructions to choose your disk and begin installation.

If the installer asks to unlock your disk, enter the password you use to log in to your Mac.

Format external drives to Mac OS Extended before using with Aperture

Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time. If you never installed macOS Sierra This combination makes sure that the installation isn't associated with your Apple ID, which is important if you're selling or giving away your Mac.

But two of my USB are ruined, my computer cannot read them anymore.

Format a Mac's Drive With Disk Utility (OS X or Later)

I kinda wanna cry. If you format a hard drive it erases the data on it. That is what formatting does, it erases a drive.


  • Format an External Hard Drive or USB Flash Drive for Mac OS X.
  • disk io test mac os x.
  • eigener mailserver mac os x.
  • Mac OS X Installation Basics SATA Drive.
  • ruby on rails apache mac;

What else do you think erasing a drive is supposed to do except erase the data? I purchased a 4TB WD external drive and having a heck of a time reformatting this drive. I have tried all the above advice without getting to have this new hard drive formatted.

Which format to choose?

Any other suggestions? I just keep getting the error Disk erase failed. There must be something new with High Sierra Is there an option besides just declaring the data irretrievable, and more importantly, how does a USB uninitialize itself?


  • Format a Mac's Drive Using Disk Utility (OS X El Capitan or Later).
  • fl studio 10 mac download.
  • adattatore usb hdmi per mac;
  • How to format a USB drive on Mac;
  • Mac OS X Installation Basics SATA Drive | Seagate Support ASEAN;
  • How to reinstall macOS from macOS Recovery;
  • arcsoft photoimpression 6 mac os x.

Will I be able to copy and share media across both Mac and Windows? I am Computer-Eleteret lol. Now My Mac is about There.

How to format a USB drive on a Mac

I just have no Clue how to do it. Name required.

Mail will not be published required. All Rights Reserved.

Start a Discussion

Reproduction without explicit permission is prohibited. Enter your email address below: Posted by: Andy Robinson says: January 4, at 4: Fernando says: January 4, at AppleExpert3 says: November 12, at 2: AstroExpert2 says: July 6, at 3: Emaven says: January 4, at 8: April 22, at 4: Joe says: June 27, at 8: Sam says: July 28, at 8: August 21, at Roger says: April 10, at NYCer says: January 8, at 7: Ahmed says: November 26, at Lina Alvarez says: September 17, at 9: January 25, at 3: Thasleem says: March 17, at Debbie says: March 25, at 4: Timothy says: April 3, at 1: May 6, at Deon says: January 13, at 8: Yes says: January 13, at 9: January 13, at Noreen says: September 14, at 2: April says: October 10, at 8: Sayna says: April 29, at 3: July 6, at Jared says: September 24, at 1: Keith says: December 17, at 6: December 17, at December 21, at December 22, at January 9, at 9: Dorothy Swayne says: October 31, at 4: Margaret F Sadler says: December 4, at 7: Negar says: February 6, at Aiman says: February 20, at AudioHTIT says: June 14, at 9: Ankush Goel says: June 18, at Nigel says: August 4, at 8: Bob says: August 4, at 9: Wayne says: August 19, at 6: Janet DeLand says: September 19, at 5: Ray says: September 24, at 3: November 23, at 6: Jack says: December 9, at 1: Patty says: December 14, at 2: Bhosadda says: January 18, at Ina Carlo says: Kat says: January 19, at Tom says: February 12, at 7: Jim M.

February 23, at Rochelle says: February 25, at 8: