- #TRYING TO FORMAT EXTERNAL DRIVE FOR MAC AND IT FAILS HOW TO#
- #TRYING TO FORMAT EXTERNAL DRIVE FOR MAC AND IT FAILS MAC OS#
- #TRYING TO FORMAT EXTERNAL DRIVE FOR MAC AND IT FAILS WINDOWS 10#
I received the following direction from a Steven. Sadly, WD’s KB web pages do NOT tell you which of the ten options to choose!Īfter trying all four “Mac OS Extended” options without success, I appealed to WD’s tech support directly (since no WD technicians contribute to this online support forum). There are four “Mac OS Extended” to choose from as well as four “APFS” and one “ExFAT” and one "MS-DOS (FAT). Whether you use Disk Utility or WD’d Drive Utility, the key step to take is that you choose the correct file system in the “Format” drop-down options window. I hope WD will put both approaches on one Knowledge Base page to clarify the options. Oh, how I wish WD would look into clarifying what it puts on its website.įirst of all, there are two way to format to Mac: use Disk Utility or WD’s Utility Drive download. I’ve finally found the way to format a Windoze-platform My Book to the Mac platform.
#TRYING TO FORMAT EXTERNAL DRIVE FOR MAC AND IT FAILS MAC OS#
The backup disk is not in Mac OS Extended (Journaled_ format, which is required.”Įxactly what is a Mac user to do to properly format a Windows-formatted external hard drive? Now click theTools menu and then click on check now. Click on start and then right click on computer. Also, run chkdsk (disk checking) on the drive. > Operation failed…Īs soon as that error message appeared, I got a similar error message from Time Machine saying “Time Machine couldn’t complete the backup to ‘My Book’. Try to format the drive on a different computer and check if it helps. In Disk Management, you’ll see your external hard drive as partition or unallocated space. Open the Disk Management tool by right-clicking This PC -> Manage -> Disk Management.
#TRYING TO FORMAT EXTERNAL DRIVE FOR MAC AND IT FAILS WINDOWS 10#
Connect your external hard drive to your Windows 10 PC. Formatting an external hard drive would erase everything on it. Format external hard drive with Windows built-in tool Step 1. Part 2: Format External Hard Drive for Mac with Disk Utility.
#TRYING TO FORMAT EXTERNAL DRIVE FOR MAC AND IT FAILS HOW TO#
The following is based on the latest version of macOS. How to Partition an External Hard Drive on Mac Open Disk Utility and select the drive that you want to partition. The details read: Unmounting disk > Couldn’t unmount disk. Note: Reformatting the drive will erase all data on the drive, so you should copy any data you want off the drive prior to formatting. Here’s what it said: Erasing “My Book” and Creating “My Book Backups” Erase process has failed. (Unfortunately, WD apparently doesn’t permit us to attach a screenshot to these posts sorry for my description of what was revealed). Here’s what I did: Using Disk Utility, I changed the name from “My Book” to “My Boob Backups” I immediately got an error message. Wish the web page suggested which option to select it simply states “Select” without suggesting what each selection enables. I chose “Max Extended Journaled” for the Erase process, however, maybe I should have picked a different format option. It doesn’t tell us which option in the drop-down format field to choose. The instructions on the WD “Format for Mac” page, when followed, didn’t work.
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