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Mac internal hard drive not showing up how to#
Mac internal hard drive not showing up install#

Right click on the disk partition which has no drive letter. You’ll get notified if any faults get repaired.

Mac internal hard drive not showing up how to#

This sequence enables macOS to automatically fix potential problems when you want to know how to open an external drive on Mac when it doesn’t mount. You’ll get asked if you want to run it on the media. If the Mac operating system crashes, it cannot mount any drive. Another way to make the unrecognized or undetectable WD external hard drive (WD Elements) show up on your PC is to change the drive letter. Highlight the external hard drive and choose First Aid. System malfunctions include machine malfunctions and operating system errors.

Disk Utility failures The Macintosh HD not mounted issue may be caused by Disk Utility faults, too.

So if any catalog file becomes corrupt, the Mac won't be able to get volume size location, description of volume content and other volume information, let alone mount the drive. If you cant see the external hard drive on Mac, you can get Finder to locate the external hard drive. Catalog files contains the record files of partitioned volumes. Sometimes, the external hard drive is not showing up because your Mac is not set to. Then your Mac won't mount the Macintosh HD, neither. However the only thing I could see there was the cd drive, the hard drive was not there. The HDD is formatted and shows up in disk utility with 1TB of free space, but it is unusable because of this issue.

Mac internal hard drive not showing up install#

I got a flashing folder with a question mark but I was able to use the install cd to go into disk utility. The SSD shows as an option to use as a startup disk but the HDD does not. Perhaps, your Mac system or the Macintosh HD is attacked by virus or malware, resulting in data corruption. bigideaguy said: I recently installed osx lion on my macbook pro and had it going for maybe 2 days and then the computer wouldn't boot. If the file system of the Macintosh HD is corrupted, the master file table will be impacted in a direct manner so the Mac won't mount the drive. File system is responsible for how data is organized and stored in a drive. If the drive is not showing up on your Mac chances are it has not been formatted correctly, has been corrupted, or is faulty. The volume Macintosh HD is found corrupt and needs to be repaired before mounting for those 5 primary reasons. Normally when you plug in an external hard drive to your Mac’s USB port you will see it appear on the desktop (aka mount on the desktop).