

Otherwise, your Mac could be experiencing damage that causes the connection to fail, such as a bad USB port. If the other drive shows up with no problems, the problematic drive may be damaged. If possible, try connecting a different external hard drive to your Mac to check if the same issue happens. Try giving your device a restart by holding down the power button, or choosing Apple menu → Restart. In some cases, Mac computers may start to experience issues due to not being restarted in an extended period of time. The damage might not be visible to the eye - try using a different cable for testing. If the cable used to connect your Mac and the external hard drive is damaged, it’s not going to allow a connection. Make sure to check that the USB cable or HDMI cable used to connect the hard drive is properly plugged into your device. If the external device isn’t connected to your computer the proper way, you’ll experience connectivity issues.

Here are some of the most common damages users notice while examining faulty external drives: You can also perform tests and connect it to a different Mac, in case something is wrong with your hardware.

Common issues and physical damageīefore you begin troubleshooting on your Mac, check the physical disk itself for any form of physical damage.
#BEST INTERNAL HARD DRIVE FOR MAC PRO 2012 HOW TO#
Find out how to fix this issue by taking a look at our tips and guides. There are a number of reasons why an external hard drive connected to your Mac is not showing up. How to fix external hard drive not showing on Mac Next, click on the First Aid button to begin the repair process.

It’s used to store your operating system files, as well as other data. The internal hard drive in your Mac is called Macintosh HD or startup disk. How to fix internal hard drive not showing on Mac Learn how to fix your harddisks not showing up on Mac using built-in tools such as the Disk Utility or the Terminal. Depending on the severity of the issue, you might need to replace your hard drive - luckily, there are a number of things you can try before doing this. If this hard drive isn’t showing up on your system, some deeper issues might need to be fixed. Data on your Mac is stored on a hard drive, whether it’s internal or external.
