You can fix these two ways. Either manually, as we mention in this article , or using CleanMyMac X, which is far easier. The program will scan and fix any it finds that are broken or faulty. Your Mac should be running as good as new. To prevent an external hard drive not showing up on Mac turning into an all-out disaster, always backup files on your system hard drive and in the cloud.
Anytime you use an external drive, unmount the disk properly and store it safely. And finally, use CleanMyMac to uninstall apps and run regular Maintenance on your system to prevent applications conflicting with hard drive performance. How To. Blog How To News. Hit Return or Enter to search. Darina Stavniychuk.
Why Your External Hard Drive Isn’t Showing Up
Explaining complex stuff very simply. Ask a Question Related Articles References. There are a number of issues that can cause an external hard drive to not be detected. It could be a simple issue with the cord, USB port, or a faulty external hard drive. It could also be a software issue on your computer, or a problem with the way the external hard drive was formatted. This article was co-authored by our trained team of editors and researchers who validated it for accuracy and comprehensiveness.
Categories: Mac. Learn more Method 1.
- Case 2. The hard drive has no drive letter.
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Check the USB port. There are a numbers of ways to check to see if a USB port is working. Look inside the port to see if there is any debris or obstructions. Make sure that USB connections are snug and do not wiggle. Try plugging the external hard drive into a different USB port to see if it works on a different port. Plug a different device into the USB port to see if it works with other devices.
How to Fix It When the External Drive Is Not Showing up on Mac
Check the USB cord. If you determine that the USB port is working properly, check to see if the cord is working properly. See if the USB cord is able to power a different device. Try swapping the cord with a different one. Check that the drive is receiving power if possible. Check to see if the lights are lighting up to see if the lights are lighting up.
Method 2. Right-click on the Windows Start.
Click Device Manager. This opens the Device Manager program on your computer. Click Other Devices. This displays a list of assorted devices on your computer, including unrecognized devices. Right-click Unknown device. If there are devices on your PC that don't have the proper drivers installed, they appear as "Unknown devices" in the Device Manager. Click Disable. This displays a prompt asking if you want to disable the device. Click Yes to disable the device.
Right-click Unknown device again. This displays the pop-up menu. Click Scan for hardware changes.
How to share an external hard drive between Mac and Windows
It's near the bottom of the pop-up menu. This scans for new devices on your PC. Click Enable. It's the second option at the bottom of the pop-up menu.
This re-enables the device. Click Update Software Driver. It's first option in the pop-up menu. Click Search automatically for updated driver software. This searches for the latest driver for the device online. Click Universal Serial Bus controller. Right-click the USB port s.
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This displays a pop-up menu for the USB port. Click Properties. It's at the bottom of the pop-up menu for the USB port. Click the Power Management tab. Have you tried the quick fix solutions mentioned in this article on how to repair hard disk not detected in your computer? Do you need to recover some files? It is one of the best software out there that you can use to recover deleted files for FREE!
Hello guys! Definitely this is something that looks awful at first, but it can be fixed in simple steps as this great guide shows! If you need to get further support from us, just send us an email or click on the live chat icon to start the conversion with us. Worked perfectly for me, great contribution! Fast solution to several issues, love it! Count me in as a long term user :! We are happy that you can fix the issues with our Bitwar Data Recovery Software, Robert, have a nice day!
Such a great solution, thank you very much! I think this guide is pretty simple, I could follow every step with no problem, but I just wanted to say that would be also great to have videos for people with more issues handling computers and such, keep up the hard work, and thank you! Great information, so so helpful! Have a nice day. Really glad I found this, though for a second that the disk was damaged.
External USB hard drive not recognised on Windows after plugging it into a Mac - TechSpot Forums
I would suggest only use the deep scan for a device with high volume of files! Hi, Hylia, the better way to scan your loss of data from the computer is to use the Fast Scan for the first time, it offers original file name, folder structure and original file path that can be filtered faster than Deep Scan to get back the needed files. Thanks again for your comment, we are happy to be your assistant whenever you need help from us.
Have a nice day!
We are sorry that this post was not useful for you!
Thank you for the reply! Very interesting software, but the best part is having people to help you haha, great support team! To be a software developer, the first thing in our mind is to help people who are suffered from data loss issues.