Goflex Hard Drive Mac

  1. Goflex Hard Drive Mac Mini
  2. Goflex Hard Drive Macbook Pro
  3. Goflex Hard Drive Mac Compatible

Seagate has outed a new range of hard-drives at CES 2011, including the company’s slimmest drive to date, the 9mm thick GoFlex, and a range of GoFlex for Mac drives compatible with Apple’s OS. Seagate GoFlex Slim 320GB USB 2.0 Performance External Hard Drive for Mac STBL320100 3.2 out of 5 stars 64 Seagate GoFlex 1 TB FireWire 800 USB 2.0 Ultra-Portable External Hard Drive for Mac - Limited Edition STBA1000101, Silver.


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Plug a Seagate external hard drive into your Mac but the drive is not recognized by Mac?

Don't worry, you are not the only one who uses famous hard drive brand like Seagate, WD, Toshiba, Samsung, etc. but encounters this problem.

Here is an example from Apple Communities.

'I have a MacBook Pro with macOS El Capitan. My WD hard drives are recognized, but my new Seagate 1T drive is invisible. The light on the drive works, which tells me that it is drawing power from the computer. But the computer does not recognize the drive. Anyone knows how to fix Seagate external hard drive not recognized, showing up, or detected on Mac or at least recover files from the drive?'

Actually, it is a dime a dozen that external hard drive is not recognized or detected by Mac computers. Some users even say that they can see the Seagate external hard drives' light blinking but the computer just won't give any response. When an external hard drive is not working, not recognized, not detected, or not showing up on your Mac, you will feel very terrible because you can't access files nor the drive at all. Fortunately, in this article, you can find out how to fix the unrecognized Seagate external hard drive and how to recover lost data from unrecognizable hard drives easily.

Table of contents
1. Why does Seagate external hard drive not recognized/showing up on Mac?
2. Baisc check - Check if Seagate external hard drive is showing up in Disk Utility/Finder?

Part I: Why does Seagate external hard drive not recognized/showing up on Mac?

Seagate external hard drives are often used as backup media to store important files, or to transfer data among computers. However, they are prone to be damaged or corrupted as well. And it's quite common for a Seagate external hard drive to become unrecognized by your Mac all of a sudden and leave you all at sea.

You may be wondering 'Why my external hard drive is not recognized/showing up on Mac?' Well, the reasons behind this problem could be varied and there are some common ones.

  1. Bad USB port
  2. macOS update issue
  3. System failure
  4. File system corruption
  5. Motherboard issue
  6. Virus infection
  7. External drive damage or corruption, etc.

Baisc check - Check if Seagate external hard drive is showing up in Disk Utility/Finder?

To fix the unrecognized Seagate external hard drive on Mac, the very first thing is to check whether it's the USB port's issue. Plug in the drive to another USB port or a different computer, and check if the drive is recognized, detected or shows up on Mac. If yes, congratulations. Both the external hard drive and the data on it are secure. But to access files on this drive, you need to move forward to do some basic checks and try out the solutions according to your situations.

Important thing: Check if the Seagate external hard drive is showing up in Disk Utility/Finder?

Usually, if your external hard drive is recognized/showing up by your Mac, you will see this drive on the desktop and Finder. But for many Mac users, when they can't find their disk drives in Finder or on the desktop, they would say the drive is not recognized by the computer. But actually, most of the time, even if a Seagate external hard drive doesn't show up in Finder, it still can be found in Disk Utility. So please check whether the drive is showing up in Disk Utility/Finder.

There are three possible outcoms. Just check them one by one and go head to fix this issue.

Scenario 1: Seagate external hard drive isn't showing up in Finder/on the desktop

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.

1. Show Seagate external hard drive in Finder

Step 1: Go to Finder > Preferences > Sidebar tab.

Step 2: Select 'External disks' under 'Locations', and then your Seagate external hard drive will show up in Finder.

2. Show Seagate external hard drive on the desktop

Step 1: Go to Finder > Preferences > General tab.

Step 2: Tick 'External disks' to show the Seagate external hard drive on the desktop.

Scenario 2: Seagate external hard drive is recognized but not mounted in Disk Utility

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.

Solution 1: Manually mount the Seagate external hard drive

Freeagent Goflex Software Download

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.

Solution 2: Repair the Seagate external hard drive with First Aid

However, if the Seagate drive is unmountable or the Mount icon is greyed out, it could be some disk errors that prevent your Mac to recognize/detect the drive correctly. 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.

  1. Click on the Launchpad on the Dock and find Other.
  2. Locate Disk Utility and open it.
  3. Select the unmountable external hard drive in the left sidebar and choose First Aid at the top.
  4. Click Run to repair this Seagate hard drive.

Solution 3: Fix the unmountable Seagate external hard drive by reformatting.

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.

iBoysoft Data Recovery for Mac is useful data recovery software, which can recover lost data from unrecognized Seagate Backup Plus drives and unreadable Seagate external hard drives. Moreover, this program supports file recovery from hard drives of Seagate, WD, Toshiba, Samsnug, etc. Generally, it can recover lost data from formatted, unmountable, inaccessible, unreadable or corrupted hard drives. This powerful data recovery software can also recover lost data from Macintosh HD drives, USB flash drives, SD cards, memory cards, etc. on Mac.

iBoysoft Data Recovery for Mac now is fully compatible with macOS 10.15 (Catalina), 10.14 (Mojave), macOS 10.13 (High Sierra), macOS 10.12 (Sierra) and Mac OS X 10.11 (El Capitan), 10.10 (Yosemite), 10.9 (Mavericks), 10.8 (Mountain Lion), 10.7 (Lion). And the macOS 10.15 (Catalina) is approaching.

Step 1: Launch iBoysoft Data Recovery for Mac.

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. in the searching results.

Goflex Hard Drive Mac Mini

Step 4: Choose files you need and click 'Recover' to get them back and save the recovered files to another usable disk drive.

After recovering target files from this Seagate external hard drive, you can now reformat the drive in Disk Utility without worrying about data loss.

Step 5: Click Go in the upper left of your desktop, choose Utilities in the context list.

Step 6: Open Disk Utility and select the Seagate external hard drive from the sidebar

Step 7: Click Erase on the top of Disk Utility window.

Step 8: Complete the required information for erasure, including Name, Format, and Scheme.

Step 9: Then click Erase to go and wait until the erasure process ends and click Done.

Scenario 3: Seagate external hard drive is not detected in Disk Utility

However, if the Seagate external hard drive is not even showing up on Mac or not detected in Disk Utility, it is possible that the drive has some hardware problems like bad sectors.

Usually, the symptoms would be:

  • The external hard drive makes clicking/beeping noise.
  • Files get missing/disappeared/invisible/inaccessible.
  • Documents or Folders become empty.
  • Disk information like storage capability or files system is not showing normally in Disk Utility.
  • Some other abnormal symptoms.

Confronted with such kind of hard drive failure, you'd better seek help from a local disk recovery and repair service for good.


Sometimes, the Seagate external hard drive not recognized/showing up on Mac problem is just that Seagate external hard drive not showing up in Finder, not showing up on Mac desktop, or not mounted in Disk Utility, which can be easily solved. However, your any attempts to fix the unrecognized Seagate external hard drive may write new data to the drive and overwrite the original one. Thus, if you're facing such kind of problems, you should firstly recover lost data from the Seagate external hard drive with a professional data recovery software like iBoysoft Data Recovery for Mac before you set about fixing this problem.

Storage is both incredibly cheap and amazingly portable these days, allowing us to carry gigabytes upon gigabytes of iTunes media, Time Machine backups, and HDD clones in our messenger bags. Too, hard drives are getting much more sophisticated, adaptable to both local Mac and network sharing. I’ve had the chance to play with a pair of GoFlex external hard drives for the Mac that offer some notable flexibility.

GoFlex For Mac Ultra-Portable

Seagate’s GoFlex for Mac is the smaller of the two HDDs in our review, but it still packs a big punch. Oddly the naming conventions don’t quite work out here, but while the Pro model of the GoFlex only comes in capacities from 500GB to 750GB, the Ultra-Portable version I reviewed comes in 1TB to 1.5TB capacities. GoFlex products are advertised specifically for a Mac (maybe for the price markup), but work with Windows via an HFS driver.

The GoFlex for Mac Ultra-Portable includes SATA adapters for USB 2.0 and Firewire 800 in the box. At first I hated the idea of having these adapters, but you’ll quickly learn to love their chunkiness. With Thunderbolt announced on the Mac, you’ll soon be able to purchase an adapter for your portable Seagate HDD. Cool right? Optionally, you can also use a USB 3.0 or eSATA cable if you have a machine that supports those.

GoFlex is certainly Flexible, but most of you can get by on the Firewire 800 cable. Having an older Mac, I had to succumb to the slowness of USB 2.0.

GoFlex products come loaded with nothing more than a readme and an installer for Seagate’s GoFlex software which shows up as Seagate Drive Settings once installed. Oddly, the diagnostic software wants users to keep putting the icon on the desktop (why not the Object Dock?), but it’s essentially a version of Disk Utility specifically made for GoFlex drives. Its use is limited, showing you the serial number, firmware revision, and volume format and capacity. You can also test the HDD for errors, and disable the drive’s activity lights through the software if you desire.

I was a little disappointed at the construction of the drive, if only because it looks terribly cheap. The indicator lights are boring in design unlike the patterns from recent FreeAgent designs, and the external shell looks like it was painted in a cheap silver paint. The external case does flex a bit, and I can’t quite understand why it isn’t slimmed down unless Seagate is avoiding potential heat issues. The drive is 22mm deep weighing around three-quarters of a pound at 0.362kg. It’s certainly pocketable in a messenger bag, but it isn’t the slimmest portable hard drive I’ve used.

But maybe the size will encourage customers to buy the GoFlex Net Media Sharing Device. Unfortunately I didn’t have a chance to get hands on with this optional accessory, but the idea is you can plug your GoFlex drives into a dock that will allow you to share media over the Internet. It’s an intriguing concept, especially when you can access that content via your iPad or iPhone.

The GoFlex for Mac Ultra-Portable comes with a three year warranty, and can be registered during the Seagate Drive Settings app installation. The upgradeable interface and drive capacities offered, plus the option to share content online might be what you’re looking for in external storage. While the build quality leaves much to be desired, you should be able to place it with your car keys without worry of scratches.

GoFlex Desk for Mac

Coming in 2TB-3TB capacities, the GoFlex Desk for Mac houses a 3.5-inch drive that stands on an adapter offering two Firewire 800 ports and a USB 2.0 connection. The drive has to be powered from the wall with the included power supply, so the desk name is fitting for a drive this large.

Goflex Hard Drive Macbook Pro


Just like the GoFlex for Mac Ultra-portable, the GoFlex Desk for Mac sits on an adapter that can be upgraded or swapped out. Currently available are two options: a USB 3.0 adapter for $39.99, and a USB 3.0 adapter with a PCI-Express card featuring USB 3.0 ports for your Mac Pro at a hefty $79.99.

The adapters sport three prongs and a SATA plug that’s used to sit and secure Seagate’s external drive. On the front of the adapters, you’ll find five lights that blink and buzz depending on HDD activity and status. What’s cool is that the four barred lights indicate how full your HDD is, filling up as you stuff your drive with more media. Four rubber feet on the bottom of the adapter ensure the HDD just can’t be slid off a desk, though it’s not wide or heavy enough to keep the external drive from rocking if the table is bumped. The polished black edges are fingerprint magnets unfortunately, though ultimately it’s more professional that what Seagate decided to choose for the external housing for their hard drives.

Goflex Hard Drive Mac Compatible

Seagate’s GoFlex Desk drive looks okay from a distance, but still feels cheap due to whatever coating China slapped on this thing. The sides of the case are perforated golf-ball style with Seagate’s logo embossed in the middle. Worse than the Ultra-portable, the chassis feels sticky and flexes like its younger brother. It’s heavy at just over two pounds (1.08kg), and maybe that’s what makes the drive almost top-heavy on top of the adapter. You won’t be carrying this one around, but it’s fine in accompanying an iMac.

The same software is offered when you plug in the drive, and you can use the HFS driver to interface with your Windows machine. A 3-year limited warranty is also provided with the GoFlex Desk.

The Verdict

If you’re looking for storage, Seagate can certainly accommodate your needs with up to 3TB of storage via the GoFlex Desk for Mac. With drive performance being on par with relatable consumer class external drives, you’re most likely interested in either the look of the drive or the GoFlex for Mac Ultra-portable’s network sharing capabilities with the $69.99 (normally $129.99) Net Sharing device. Formatted for your Mac out of the box, the Seagate GoFlex for Mac Ultra-portable is $189.99 for the 1TB model, and $219.99 for 1.5TB. The GoFlex Desk for Mac starts at $199.99 for the 2TB model, and tops off at $259.99 for the 3TB capacity.