#MAC INTERNAL HARD DRIVE WILL NOT MOUNT MAC#

Check for a volume if the disk is present.

Make sure the disk is listed in the left window.

Attach the drive if it isnвЂ™t already connected.

This should be done automatically when macOS detects the drive, but it doesnвЂ™t always work. If you think the drive works fine, let us see if we can manually attach it to macOS. By default, it doesnвЂ™t display much and the setting to not show external disks may be enabled. Use a USB power cable if you suspect this to be the issue.Дepending on what you find here, you can troubleshoot either the drive or your Mac.ДЇirst, make sure Finder will display drive icons. A USB cable carries 5V and if this is the sole power source for the drive, it may not be enough.

Check that the drive is receiving enough power.Make sure your drive doesnвЂ™t have or use a power-saving or sleep function.Try attaching the external drive to another computer to see if it works on that one to rule out damage to the drive itself.Some imported drives come completely empty, and while macOS should detect and offer to format them, it doesnвЂ™t always work. Make sure the drive has been formatted.

#MAC INTERNAL HARD DRIVE WILL NOT MOUNT MAC#

Reboot your Mac to see if it was an open program or app stopping the drive from being detected.Try a different wall outlet if there is one nearby.Change the hard drive power cable if you have a spare.Check the condition of the cable and swap it if you have a spare.Check that the external hard drive has power if it needs it.Check that the cable from the hard drive to your Mac is connected properly.After all, no one wants to waste half a day because they didnвЂ™t realize something just wasnвЂ™t plugged in properly. Get into the habit of doing this with any computer issues, as it can save time, money, and hassle in the long run.

Mac internal hard drive will not mount