Seagate external hard drive does not show up on mac

When a hard drive is plugged into a Mac, the first impression for most users is that the icon of this drive will show up on the desktop and in Finder. But why your Seagate external hard drive is not showing up in Finder or on the desktop? Indeed, it is because you haven't set up your Mac to do so. Step 2: Select "External disks" under "Locations", and then your Seagate external hard drive will show up in Finder. Step 2: Tick "External disks" to show the Seagate external hard drive on the desktop.

Steps to recover lost data from unreadable Seagate external hard drive on Mac

If the Seagate external hard drive shows up in Disk Utility but is just not mounted, it at least means the drive is recognized by your Mac. Mounting a hard disk makes it accessible by the computer, enabling the operating system to read and write to files on the disk. Most of the time, the operating system will automatically mount your disk when you connect your USB drive to this Mac, but you if you find the Seagate external hard drive unmounted in Disk Utility, you have two solutions.

Seagate External Hard Drive Not Showing Up

You can simply right-click this external hard drive in Disk Utility, and choose Mount or click the Mount button on the top of the window. You will be able to access your files if it can be mounted successfully. Fortunately, there is a native disk repair tool called Disk Utility on your Mac and you can repair this external hard drive with the following steps.

If First Aid failed to repair this drive, the file system or the partition table of this external hard disk could be corrupted. In this case, reformatting is a feasible method to fix the corrupted file system or partition table. However, it will also erase all data stored on it.

So, to avoid unnecessary data loss, you should firstly make sure you have a copy of data backup or recover files from this drive with reliable data recovery software. Moreover, this program supports file recovery from hard drives of Seagate, WD, Toshiba, Samsnug, etc. Generally, it can recover data from formatted, unmountable, inaccessible, unreadable or corrupted hard drives. And the macOS Step 2: Select the Seagate external hard drive and click "Next" button to scan for all the lost data. Step 3: Double-click to preview your images, videos, word files, etc.

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Step 4: Choose files you need and click "Recover" to get them back and save the recovered files to another usable disk drive. Seagate Backup Plus drive is a popular external hard drive that has many cool features. However, there are times when you plug in Seagate Backup Plus drive but it isn't showing up on your Mac computer or you can't access data on it at all. Actually, it's a common issue that people discussed in Apple Community — the Seagate Backup Plus drive is not recognized or detected, and sometimes the external hard drive even greyed out in Disk Utility.

Seagate external hard drive not showing up in My Computer

The reason for this could be various and this page will illustrate the possible causes behind this problem briefly along with the solutions. Once your Seagate Backup Plus drive is not recognized on your Mac computer, you can try some routine checks first. For many Mac users, when they say Seagate Backup Plus drive is not showing up, they mean their drives can't show up in Finder or on the desktop.


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In this case, you can try to show your external drives through resetting Finder Preferences. Step 2: Tick "External disks" in Sidebar tab to show external hard drives in Finder. After setting "External disk" to show up in the Finder or on desktop, your Seagate Backup Plus drive is still not showing up on Mac? If Seagate Backup Plus drive is listed in Disk Utility, then you can have a relief because it means your drive has no serious hardware problem.

And you can follow the below solutions to fix the unrecognizable Seagate Backup Plus drive. Sometimes, external hard drives cannot be automatically mounted on Mac.

How to fix/repair Seagate external hard drive not recognized on Mac?

Step 2: Right click the Seagate Backup Plus drive from the left sidebar and then click the Mount button. If the above method doesn't work, it might refer to some file system errors on the Seagate Backup Plus drive.

But reformatting will erase all data stored on Seagate Backup Plus drive. Besides, you can reboot your PC and try to connect your Seagate external hard drive to the computer again. If this simple solution works then your problem is resolved. If not then move on to the other solutions offered here.

Case 1. The hard drive is not initialized

Maybe your Windows has a driver problem with your device and by using the Device Manager you can check it. If it works then it's ok otherwise uninstall and then reinstall the driver. To uninstall the driver, click on Uninstall that will help you completely uninstall Drivers. If you are using Fast Start-up option, you would not be able to identify the Seagate external hard drive in your PC.

Usually, Fast start-up option is switched on by default in Windows So, switch it off by following the steps:. Eventually, restart your PC to apply the changes. If it does not work then you can try the subsequent solutions. Re-plug the Seagate External Hard Drive and check if it is connected properly. All checks seem to be OK? Then drive works fine, and then you can manually attach it to Mac OS.