How To Reformat Wd My Passport Drive For Mac Os

My mac wont let me reformat a new My Passport WD disc drive. Each time it comes up as failed. In disk utility select the drive and not the partition and click on erase. Use a Windows PC to format the WD My Passport drive first to ExFAT then try again on the Mac. Use a Mac with an older release of Mac OS to format the drive.

Product: WD My Passport Ultra 1TB Operating Systems: Mac & Linux I recently used my WD Passport for a linux system. I formatted this drive in linux to ext4. Now I want to use this drive for my mac again but am having problems formatting this drive using disk utility to hfs. For some reason I can read/write and format this drive fine on linux.

Also when viewing this drive in Disk Utility there are multiple instances of this drive. Unmounting disk Creating the partition map Waiting for partitions to activate Formatting disk5s1 as Mac OS Extended (Journaled) with name Untitled newfs_hfs: WriteBuffer: pwrite(3, 0x104ae4000, 1048576, 331354112): Input/output error newfs_hfs: write (sector 647176): Invalid argument Mounting disk Could not mount disk5s1 after erase EDIT #1 Palaeologus helped me find a solution to formatting the drive. Sudo su diskutil list cat /dev/random > /dev/diskX Look for the drive and replace X with drive number. Then format drive as FAT. Diskutil eraseVolume ExFAT MyName diskX Once again replace X with disk number.

The drive is now assessable. However I can only format the drive to FAT and not JHFS, formatting to JHFS returns the same error as described at the top of the post.

This answer explains how to format a drive in the exFAT or FAT32 file system. Xilisoft video converter free download for mac. This allows the drive to be used on both Windows and macOS.*END A Western Digital external hard drive can be used on both Windows and macOS.

This is useful if a drive is being used under both to move files between the two environments. Most WD Drives come formatted in the NTFS (Windows) or HFS+ (macOS) format. For a hard drive to be able to be read from and written to on both a Windows and macOS computer, it must be formatted to or file format. FAT32 has several limitations, including a 4 GB per-file limit.

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This is a file system limitation that affects both macOS's and Window's, and the only workaround is to format the drive to exFAT. For more information about what these limitations are please see. The easiest way to format the drive to or is by using macOS's built-in Disk Utility for FAT32, or both macOS and Windows' built-in tools, Disk Utility or Disk Management respectively for exFAT. Critical: Never attempt to connect any external drive to multiple computers at the same time. This could quickly damage the drive's partition and corrupt the data on the drive. ExFAT in macOS 10.11 (El Capitan) and above There are two easy ways to format a drive to use is by using macOS's built-in Disk Utility; using Erase (Step 4) or Partition (Step 7). For instructions on how to do this, please see the instructions below: • Connect the WD drive to the Mac computer.