How to mount an ejected drive without physically disconnecting it on macOS

1. How do I stop my external hard drive from disconnecting Mac?
2. Did not eject properly Mac?
3. Why can't I eject my external hard drive Mac?
4. Why is my Mac not detecting my hard drive?
5. How do I fix a corrupted external hard drive Mac?
6. Why does my external hard drive not show up?
7. Why does my WD Passport keep disconnecting from Mac?
8. Why does my Seagate external hard drive keeps disconnecting?
9. How do I stop my USB from disconnecting?

How do I stop my external hard drive from disconnecting Mac?

Why does my drive disconnect from my Mac?

1. On your Mac, go to Preferences.
2. Open Energy Saver.
3. Disable the option to put hard disks to sleep when possible.
4. If you are using a laptop, you might have to do this twice, once for Power Adapter and once for Battery, depending on when the problem occurs.

Did not eject properly Mac?

Disk Not Ejected Properly on Mac

• Defective external drive cable.
• Defective external desktop drive power supply.
• Defective computer USB or Thunderbolt port.
• Failing external drive.
• Issue related to macOS update or the update process.

Why can't I eject my external hard drive Mac?

If you can't eject an external disk or storage device

On your Mac, choose Apple menu > Log Out, then log in again. Try to eject the disk again. If you still can't eject the disk, choose Apple menu > Shut Down. Disconnect the disk from your computer, then start up your computer again.

Why is my Mac not detecting my hard drive?

Change the Finder settings

One of the most common reasons for Mac not recognizing external hard drives is due to the system not being set up to display hard drives on the desktop. ... Open a Finder window. Go to Preferences > General. Check that the External disks option is enabled.

How do I fix a corrupted external hard drive Mac?

Fix a corrupted external hard drive by formatting

1. Open Disk Utility through Finder and Applications.
2. Select the external hard drive at the left side.
3. Click on the Erase button, or right-click the external hard drive and choose Erase from the options.
4. Give the external hard drive a name.
5. Choose ExFAT as the Format.

Why does my external hard drive not show up?

If the drive still isn't working, unplug it and try a different USB port. It's possible the port in question is failing, or just being finicky with your specific drive. If it's plugged into a USB 3.0 port, try a USB 2.0 port. If it's plugged into a USB hub, try plugging it directly into the PC instead.

Why does my WD Passport keep disconnecting from Mac?

Why are my devices disconnecting or ejecting? Two or more high-powered devices such as an external hard drives, iPhones, iPads, tablets, and other devices connected to the hub WITHOUT the USB-C Power Delivery port plugged is the reason. High-powered devices require more power to make them run.

Why does my Seagate external hard drive keeps disconnecting?

If the computer randomly disconnecting and reconnecting external hard drive, it is possible that the PC is set to turn off various devices automatically to save power. ... Choose Power Management tab and then uncheck Allow the computer to turn off this device to save power.

How do I stop my USB from disconnecting?

How do I fix my mouse from disconnecting?

1. Open Device Manager.
2. Expand the Universal Serial Bus Controllers option.
3. Double-click on the USB device to enter the Properties window.
4. Switch to the Power Management tab.
5. Uncheck Allow the computer to turn off this device to save power.
6. Press OK to keep the change.