My external hard drive is not showing on mac

If the device contains any files you want to save, copy them to another storage device or volume. Click the Erase button in the toolbar. Click the Format pop-up menu, then choose an encrypted file system format.


  1. how to find open ports on mac.
  2. nik software hdr efex pro 2.0.0 for mac.
  3. Computer Won't Boot.
  4. Before We Begin: Read-Only Volumes and NTFS?
  5. Can't see files on external hard drive Mac, how to fix?.

Optional If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. Secure erase options are available only for some types of storage devices. Writing over the data three times meets the U. Department of Energy standard for securely erasing magnetic media. Writing over the data seven times meets the U. Department of Defense M standard.

USB External Troubleshooter | Seagate Support UK

You can also encrypt a disk and protect it with a password without erasing it. By connecting Google Drive, Dropbox, or Amazon to your computer, you get more space for securely accessing and sharing files. For your ease, add cloud drives to Finder with CloudMounter app, so that you keep them close at hand. You can read detailed instructions on managing cloud storage as local drives here. If your drive is having problems, you can try to fix them yourself with First Aid and therefore get access to your files. First Aid tool will check the disk for errors and then attempt a repair as needed.

It helps to verify and repair a range of issues related to startup HD and external drive problems. If you are able to fix the hard drive or SSD in your Mac or an external drive using Disk Utility you will hopefully be able to recover your files.

Access your data when you need it

Thankfully, there is an app for that. Powerful enough to retrieve long-lost, mistakenly deleted files from Macs, external hard drives and USB drives and camera cards.

Mount the Drive in Finder

Disk Drill Pro recovery app is available from Setapp , along with dozens of Mac apps that will make your life easier. Never have to worry about a crashed or corrupted external drive again. Then use a different port to connect the external hard drive. For Macs with removable batteries, you need to switch them off, remove the battery, then press and hold the power button for 5 seconds. After that, put the battery back in, plug in the power adapter and switch the power on again. It is possible to format a hard drive so it can be read on Mac and Windows computers, providing you format using exFAT.

The common issue is Ext2- and Ext3-formatted drives are not readable on macOS. The easiest would be installing Linux to a secondary drive or virtual machine. If you go with Linux installation, dual boot your Mac with Linux on another drive and use FAT32 as a transfer intermediary.

The Basics

Basically, it works as an extra interface enabling file system access via specially installed modules. Employ the handy all-powerful Terminal, which always comes forward with solutions for difficult problems. Console shows if an external drive or any error is detected under the Errors and Faults tab. If no errors show up, then the problem is not caused by the device.

Unable to Mount external hard drive on mac [solved]

To sum up, there are lots of potential solutions for a Mac not reading an external hard drive. If we were to pick one, Disk Drill seems to be the most well-rounded, offering plenty of customizations and power in an easy-to-use interface. Start with the basics: Check whether the drive is properly plugged in.

Faulty cable. Try connecting the same device with a different cable. Damaged USB or flash drive port. It could be a hardware issue with the Mac. Reboot your Mac. Sometimes, if a disk won't boot, the cause is macOS issue.

How to fix Seagate Backup Plus drive not recognized/detected/showing up?

Hopefully, some data damage that can be fixed by restarting. Or press and hold the power button and, when a dialog box appears, click the Restart or press R.

Incorrectly formatted drive. Not every drive is optimized for Macs. It could be that you are trying to connect something only fit to interact with Windows devices.


  1. mac os x v10 5 free download!
  2. aol instant messenger mac forgot password!
  3. Why Your External Hard Drive Isn’t Showing Up.

See if the external drive shows up here. For more information, go to the same menu option, then select System Report. Mac not formatted to display external drives on the desktop.

Can't see files on external hard drive Mac, how to fix?

Even if that is the case, the drive will still appear in the left-hand column of the Finder menu under Devices. To do this, shut down or restart your Mac, switch it back on and immediately press these four keys together for at least 20 seconds: Option, Command, P, and R. It should look as though your Mac has started again; if it has, release the keys when you hear the second startup chime.