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Why Does Toshiba Hard Drive Not Showing Up On My New Mac?

I just bought a brand new MacBook Pro (2020). When I connect my Toshiba external hard drive to my new MacBook, the light on the hard drive turns on a solid blue, but doesn't show up on my Mac anywhere. It doesn't even show up in disk utility. When I connect my Toshiba hard drive to my old MacBook Pro (2010) running on Yosemite, it works fine and I can do time machine backups. I tried connecting someone else's Toshiba hard drive + cord of the same model to my new MacBook - it also doesn't show up. I checked if the USB adapter I'm using to connect my hard drive to the new Mac is the problem - I tried using it with other USBs, my kindle, and it works fine. I tried reformatting the hard drive on my old MacBook to Mac OS Extended (Journaled) as well as ExFat. It still didn't connect with my new MacBook. Also external disks is checked in finder preferences, so it should show up if connected. I'm not sure what else I can do. Can someone help with this issue?

Best Answered by

iBoysoft author Vain Rowe

Vain Rowe

Answered on Wednesday, May 31, 2023

Hi there, based on your description and all attempts, I can tell the Toshiba drive's not showing up happens due to the cable that you use. Generally speaking, some simple cable or adapter has no ability to run an external hard drive because it comes with no power supply. Therefore, a USB hub with multiple ports is perfect for you provided that you need to connect so many hard drives to different devices.

Hope this answer helps you solve the Toshiba external hard drive not showing up on your Mac trouble. Take care~

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