6 дек. 2022 г. · Try booting into Safe Mode to see whether that allows Disk Utility to work with the external drive. If this works, then you likely have some ...

17 сент. 2021 г. · Check the power, port, and cable connections: Make sure the USB device is turned on and its cables are properly connected. · If you can use the ...

13 июл. 2016 г. · First, please make sure the USB external drive is connected to your iMac, and then open the System Profiler.

21 янв. 2023 г. · Shut down your Mac, then unplug the power cord. · Wait 15 seconds, then plug the power cord back in. · Wait 5 seconds, then press the power button ...

15 авг. 2023 г. · Try resetting the newer iMac's SMC and then connect the external drive to it. see > Reset the SMC of your Mac - Apple Support.

Since I updated to macOS Sonoma, I've been experiencing issues with my external drives (in ExFAT). I can't access them, nor can I access Disk Utility.

17 авг. 2022 г. · I have an external drive that seems to be connected to my computer, but it won't show up in Finder. I can see it in System Information.

Check the cable isn't loose. Perhaps you'll need to unplug the device and plug it back in. Most drives have some sort of activity light when they are active.

30 авг. 2019 г. · In Disk Utility click on "View" and select "Show All Devices". The new blank drive should appear in the left pane of Disk Utility.

5 янв. 2020 г. · Repair the disk by booting from the Recovery HD. Immediately after the chime hold down the Command and R keys until the Utility Menu appears. ...