If the external device isn’t connected to your computer the proper way, you’ll experience connectivity issues. Why Mac does not recognize external hard drive If you can't follow through with the steps we've provided below, just ask for help from a real pro! But, if you're eager to fix this issue yourself, keep reading and following the solutions to fix the external hard drive not showing on Mac. This article will teach you how to fix your harddisks or external hard drive not showing up on Mac using built-in tools such as the Disk Utility or the Terminal.įixing a problem with an external drive on Mac or other external disks can be really hard, particularly for non-tech-savvy users. Luckily, there are many things you can try before fixing the external hard drive or external disks issue. If this external drive isn’t showing up on Mac system, some deeper issues might need to be fixed.

Why you must fix it immediately: Data on your Mac is stored on a hard drive, whether it’s internal or external. What you might not know: There can be many reasons for an external hard drive not reading a Mac - poor connection, faulty cable, dirty USB, or, in the worst-case scenario, corrupt hard drive data. But sometimes you meet the 'external hard drive not showing us' issue. Target computer.What you know: When you plug in an external drive disk utility into your Mac, you expect it to pop up and be showing up on mac in Locations in Finder - next to your remote disk and the computer itself. Target computer's disk, and then shut down the

To exit Target Disk Mode, on the host computer, eject the

In the Startup Disk preference pane, click.

In System Preferences, from the View menu, select.

From the Apple menu, select System Preferences.

Its icon should appear on the host computer.

Start up the target computer and hold down the letter.

Or Thunderbolt port), you will also need one or more adapters. (e.g., one has a FireWire 400 port while the other has a FireWire 800 Note: If the computers have different kinds of ports Port of the target computer, and then connect the other end of the

Connect the FireWire or Thunderbolt cable to the corresponding.

The other computer (i.e., the host computer).

Shut down the computer you want to use as an external hard disk.

Macs however, computers that do not have FireWire or Thunderbolt Note: Target Disk Mode is available on most recent To make a Mac act as an external hard disk, you can put it in Targetĭisk Mode and connect it to another Mac with a FireWire or Information here may no longer be accurate, and links may no longer be available or reliable. This content has been archived, and is no longer maintained by Indiana University.

Apple external harddisk