– Erase the external drive via Disk Utility ( Warning: ensure that you have the backup of the drive or else use a Mac data recovery software to recover data before erasing the drive)ĥ. – Inspect your external drive via Console to find log and error information to pinpoint the non-detection issue – Use Terminal to know more about the external drive, eject it, and remount the drive again – If the connected drive is visible in Disk Utility, then select the greyed out external drive and click Mount – Go to Apple menu > System Preferences > Disk Utility However, the drive may still be visible through the Disk Utility. File System Corruption: The hard drive’s file system is corrupt due to logical errors, bad blocks/sectors, incomplete erasure, or other reasons.įile system damage results in non-mounting of the drive in Finder. – Alternatively, use a third-party utility that allows read and write operation with particular file system format such as NTFS for MacĤ. – Backup the data, then format the drive to a common file system format (e.g., ex-FAT as both Mac and Windows support it) and finally restore the data to the drive
#2019 mac mini hard drive upgrade Pc
– Connect the drive to a compatible computer (Windows PC for NTFS Linux for Ext2, Ext3, or Ext4) Even older versions of macOS will not identify the device erased with APFS format (introduced with High Sierra). Incompatible File System: macOS Mojave will not recognize NTFS, Ext2, Ext3, Ext4, or other incompatible file system format.
– To show drive visibility in Finder: Go to Finder > Preferences > Sidebar tab > check External disksģ. – To show drive visibility in the desktop: Go to Finder > Preferences > General tab > check External disks Mojave’s Preference Issue: You may have not set your preferences that make the external storage drive visible on Desktop or Finder in macOS Mojave. – Use a working port for the USB cable (Thunderbolt, FireWire, or USB 3.0/2.0)Ģ. Or, the connecting cables may have got damaged, or the connecting port may be non-functional. Connector Issue: You may have not connected the hard drive correctly to your MacBook or iMac USB Port.
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