How to reformat a hard drive for mac

Majority if not all flash drives come not only with Windows dominant file systems, but also MBR formatted, vs the Mac where the operating system is always installed to a GPT partitioned disk. Format for Mac compatibility as described, I use it with every disk. You do not need to mess with schemes, this is not Windows. This is Mac. In this case you are formatting the drive to be Mac compatible.

This is not about Windows. Just trying to figure out if I need to back my pictures up to a second hard drive before I do this. Backup everything you want to save. Nothing is left on the external hard drive after formatting is completed. This post is a lifesaver even 5 years down the track!

Hi, I did what it said.

How to Format a WD hard drive to exFAT or FAT32 File System | WD Support

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

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I have tried all the above advice without getting to have this new hard drive formatted. 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 an External Hard Drive or USB Flash Drive for 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. I just have no Clue how to do it. Name required.

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Mac OS X Installation Basics SATA Drive

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Launch Disk Utility. Click the icon for your external hard drive in the sidebar on the left.


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Click the Erase tab along the top of the window. Enter a name for the external hard drive in the Name field.

How to Erase and Factory Reset your Mac!

Click the Erase button. Published Date: Fri May 06 Yes No. Character limit: Maximum character limit is Start a Discussion in Apple Support Communities.