External Hard Drive Crashed and Now Mac Won't Read It

Quick Solution: External Hard Drive not Showing up in Disk Utility

Summary: If the external difficult drive is not showing upwardly in Disk Utility, you can try ten solutions to make Mac recognize it again. Free download iBoysoft Data Recovery for Mac to recover files from the external hard drive on Mac.

external hard drive is not showing up in Disk Utility

When an external hard drive is continued to Mac, information technology usually would be detected and recognized past Disk Utility. Yet, sometimes you bank check the connected external hard drive in Disk Utility, it doesn't show up as y'all thought. Difficult drives not working or showing up issues could happen to some all-time external hard drives similar WD, Toshiba, Seagate, etc. It also happens afterward y'all share the same drive between Windows and macOS.

And so, how can you brand this external hard drive work once more? This article volition help you to observe an external hard bulldoze that is not showing upwardly in Mac Disk Utility hands.

Why is an external hard drive non showing up in Disk Utility?

External hard drive not showing upwards in Deejay Utility will crusade panic, because Disk Utility is a born disk management program for Mac computers. All continued drives should be listed in Deejay Utility. Then users can verify, check, repair, erase, partition, rename, encrypt, and unmount volumes and drives there.

Then why this time your external hard bulldoze is not showing up there? If y'all have known how Mac recognizes an external hard drive, it would exist easier to understand.

Just to go far more simple for you lot, nosotros list some common reasons for this consequence.

Malfunctioned USB port

External hard drives won't show upwards in Disk Utility when the USB port is not working, beingness loose or dusty. Besides, you demand to know that non all the USB ports are the aforementioned. For example, The Canon Micro USB port looks like the standard ones. But some standard external hard drives can only be plugged in without work ability.

Mac operating system is decorated

You may have improperly ejected a storage device last time. Consequently, another external difficult drive connected to the same USB port can't be recognized. Information technology'due south considering your Mac is decorated in dealing with the sometime device.

Faulty USB cable or external hard disk enclosure

Some external hard drives are wrapped in difficult bulldoze case. Similarly, some SD cards, CF cards and other retention cards are accessed by card readers. So you lot can open those removable drives on Mac via USB cables. All the same, one time these hardware devices are broken, the external difficult drive will not show up in Disk Utility due to the lack of ability and data supply.

USB-C adapter problems

It matters if your MacBook Pro or MacBook Air just has USB-C (Thunderbolt 3) ports. Yous need to utilise a USB-C to USB adapter to connect iOS devices, external difficult drives, and many of your standard USB accessories to your Mac. Merely a incorrect USB-C cable or adapter would exist unstable and affect data transfer. That might be the reason why your external difficult drive unmount, grayed out, or even disappear in Deejay Utility. Sometimes, the external hard bulldoze would also keep disconnecting and reconnecting on your Mac.

Some other causes for external hard drive not showing upwards in Disk Utility

Incompatible Thunderbolt port
The external difficult drive partition or file organization got corrupted due to bad sectors.
Virus infection.
Malfunction of your Mac figurer.
Any of the program associated with the external hard bulldoze doesn't work properly.
Circuit failure.
Physical breakdown in any part of the external hard bulldoze.

Many bug appear so randomly that you cannot bespeak out the specific reason. Fortunately, at that place are ways of getting the external hard drive showing upward over again. Let's become into some of them correct at present.

Find: If your external difficult drive contains massive of import information, y'all had amend recover all needed data before taking any solution. It'due south because any mistaken operation will result in data loss permanently.

10 solutions to gear up/repair an external hard drive non showing up in Disk Utility

At first, allow's accept a look at this example from discussions.apple.com:

I accept been using my WD Elements hard drive for about 2 years and it always worked just fine. Just when I plugged it into my MacBook Pro to dorsum up today, it won't show upward. The external bulldoze doesn't mount, nor listed in Disk Utility. But the hard drive itself is still spinning and lighting upwardly as usual. Any 1 take whatsoever idea?

What should you do if you are one of them?

Hither are 10 feasible solutions that you tin can try to fix this result:

1. Manually prove external hard drive in Disk Utility
ii. Reboot your Mac estimator to recognize the external drive again
iii. Check the external difficult drive in System Information
4. Reset USB ports of your Mac
5. Bank check for hardware and software updates
6. Run a virus cleaner software
vii. Run Mac diagnostics to detect hardware bug
8. Reset your Mac's NVRAM or PRAM
9. Reset the SMC on your Mac
10. Ask for help from local technicians or data recovery services

Solution ane: Manually show external hard drive in Disk Utility

External hard bulldoze is not showing upwards in Disk Utility? You can bank check if you tin can run across the 'External' selection at the left sidebar. If and then, you can try these steps to manually show it up.

one. Open up Deejay Utility after yous connect the external hard bulldoze to your Mac.
2. Motion your mouse and put information technology on the "External" option. You volition see the "Show" option. And then you can simply click on it.
iii. Check if you lot tin can see the external hard drive in Disk Utility again.

Solution 2: Reboot your Mac computer

Sometimes, it might be some data damage to your Mac system. Hopefully, this problem can be easily fixed by restarting. Rebooting will refresh your macOS's tasks. You can choose the Apple carte du jour > Restart. Or you can press and agree the power button and, when a dialog box appears, click the Restart or printing R.

Solution iii: Check the external hard bulldoze in System Information

You connect an external difficult drive to a Mac computer simply information technology is not showing upwardly in Disk Utility. And it won't appear even after a re-startup. Where else you can notice this external difficult bulldoze and then? Probably, y'all should bank check information technology in Organization information. System data is where you tin can notice all information of external devices, the software, hardware, and network on your Mac.

Solution 4: Reset USB ports on Mac

If you don't see your external hard drive in Disk Utility nonetheless, you lot take to endeavor a different cable and USB port. Besides, try an externally powered USB hub or power supply for the bulldoze to come across if the external hard drive can show up in Disk Utility.

Necessarily, you can refresh the USB ports and see if your external hard drive is detected by Disk Utility.

i. Restart Mac computer, press the Command +Option+P+R keys until the Apple logo appears.
2. Printing Command+Option+Esc keys to close all applications that are non responding.
iii. Plug the USB which is not showing up to your Mac computer. If information technology doesn't show up, click Apple tree icon and select "Sleep".
4. Wake up the figurer later a few seconds by pressing any key.
5. Close downward the Mac, unplug the power cord, reattach it afterward fifteen seconds.

Solution 5: Bank check for hardware and software updates

The outdated firmware and software results in various hardware problems. For instance, external hard drives won't work on Mac because of incompatible USB commuter. You need to cheque for system updates by opening the App Store and clicking on the Update tab. If there are firmware and macOS software updates available, install them onto the Mac.

Solution 6: Run a virus cleaner software

Some other major trouble is virus infection, which will cause information corruption on the drive. You tin endeavor an anti-virus software to wipe out and remove any virus, malware or Trojan from your Mac reckoner and hd. So check if the external difficult drive is showing upwardly in Disk Utility or not.

Solution 7: Run Mac diagnostics to detect hardware issues

Can't see the external hard bulldoze in Deejay Utility still? You lot tin endeavor Apple Diagnostics. It is a set of diagnostic tools used past technicians to find faults. You tin employ it to isolate a possible hardware issue on your Mac. It too suggests solutions and helps you lot contact Apple Back up for assistance.

Solution 8: Reset your Mac'southward NVRAM or PRAM

NVRAM is a small amount of retention on your Mac. It saves specific information regardless if the Mac is powered on or off. If you lot feel issues related to hardware, resetting NVRAM might help. PRAM stores similar information and the steps for resetting NVRAM and PRAM are the aforementioned.

1. Shut down or Reboot your Mac.
two. Immediately press these 4 keys in a sequence i.e. control, option, P and R.
three. Hold the keys for at to the lowest degree 20 seconds and subsequently y'all hear the second chime, release the buttons.
4. Afterward releasing the keys, your Mac volition restart and hopefully your drive will show up.

Solution nine: Reset the SMC on your Mac

If you accept reset the NVRAM or PRAM, you've done it all. But what if your external hard bulldoze is still behaving strangely? In certain circumstances, resetting SMC can exist a solution. SMC, short for System Management Controller, is responsible for lower-level functions on Intel-based Mac computers. Resetting it can solve particular power and hardware related troubles.

Reset SMC on modernistic Mac laptops with an internal non-removable battery:

This is how to reset SMC of a MacBook Air, MacBook Pro Retina, or MacBook Pro'south with an internal not-removable battery:

ane. Shutdown your MacBook Air/MacBook Pro.
2. Connect the power adapter to the Mac.
3. Afterward your Mac shuts downwards, printing Shift + Control + Choice primal combinations, then printing the power button at the same time. Hold these keys and the power button for 10 seconds.
4. Release all keys and the power button at the aforementioned fourth dimension.
5. Press the power button over again to turn on your Mac.

The kick time after resetting a machines SMC can be a bit longer than usual, that is normal.

Solution 10: Ask for help from local technicians

If unfortunately, your external hard drive has some serious hardware bug, no software can help you set external hard drive non showing upward in Disk Utility. The only solution is to send it to a local data recovery service or supersede it with a new i.

external hard drive is not showing up Mac

External Hard Drive Not Showing up on Mac, How to Open Information technology?

Near how to fix the external hard drive not showing upwardly on Mac. Usually, a drive that's not showing up considering it'due south corrupted. Larn More than >>

How to recover lost data from corrupted external hard drives on Mac?

Hopefully, the external difficult bulldoze is showing up in Deejay Utility after yous attempt the solutions above. Just sometimes, you still can't access the external hard drive if it is corrupted or unmounted in Disk Utility. The external hard drive might be corrupted due to file system corruption or partition tabular array lost.

In this situation, all information on the external difficult drive is so unsafe. It's loftier fourth dimension to effort lost information from the corrupted external difficult bulldoze.

iBoysoft Mac Data Recovery is professional data recovery software that recovers data from broken/corrupted external difficult drives, hard disks, USB flash drives, SD cards, memory cards, etc. Fifty-fifty when your external difficult drive is not showing up in Disk Utility or detected by Mac computers, this software may be possible to recognize the drive and get lost information dorsum.

It is compatible with macOS 12/11/x.15/10.14/ten.13/10.12 and OS X x.xi/10.10/ten.9/10.8/x.7 and works fine on M1, M1 Pro, and M1 Max Mac.

As well, iBoysoft Data Recovery for Mac also recovers data from formatted external difficult drives, recovers data from Mac that external hard drive is not mounting, recovers information from inaccessible external hard drives, recovers data from corrupted external hard drives, and recovers files deleted or lost from external hard drives, recover lost data when Mac computer won't kicking/turn on, etc.

Elementary steps to recover lost data from a corrupted external hard drive:

Disk Utility is a program that users can straight manage internal and external hard drives on Mac. That'due south to say, all connected drives should be listed and showing up here.

Note: If a difficult bulldoze is not showing upwardly in Disk Utility, it means macOS fails to recognize the external hard bulldoze, nor read and access files on it. Technically, Mac can't build a visible hard bulldoze for users.

Conclusion

When an external hard drive is non detected/showing up in Disk Utility on Mac, near people would recollect this bulldoze is dying. But indeed, you can find this difficult drive some elsewhere of your Mac, and then verify and repair this external difficult drive.

If your external hard drive is corrupted and won't prove up on Mac normally, it might be corrupted or even dead. The most of import thing is your important data on the bulldoze. You tin transport it to a local data recovery service and get your files back.

About author

iBoysoft author Jessica

Jessica Shee

Jessica Shee is a senior tech editor and strategist at iBoysoft with a wealth of computer software-related experience. She has been sharing knowledge and tutorials in the tech industry for three years.

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