Once you execute that command, type in diskutil list again to see if your disk is now gone from that list.This situation often occurs after you initially eject the external drive and unplug it from your computer.
2018 Best Jump Drive For 2015 Pro Laptop Backup Photos Mac No LongerWhen you try to plug in the drive again, your Mac no longer sees it.It wont mount at all and acts as if its utterly invisible to macOS. If you have a disk already mounted and your system goes to sleep, it also powers down ports, including USB ports. ![]() So its better to follow the recommended path to connect your external device(s) to your Mac. So check if the hub is the problem by plugging the external drive directly into the Mac. First, try plugging the hub into a different port on your Mac. Just make sure you purchase a hub that is compatible with the latest macOS and is self-powered (i.e. If you instead plug the drive directly into a power source (if a power supply is available for your drive,) the external drive usually mounts on its own now that it has sufficient and steady power. Instead of just pulling out drive connections, always perform a safe remove when ejecting external devices. Loose connections often lead to external drives not being recognized. Or even if they are recognized, they randomly disconnect without warning or prompting. A similar issue is frayed or worn cables, so make sure that your cable is in good condition. So before performing any complex troubleshooting, lets look at some settings. If not, click it to enable your external drive icons to show on your desktop. Click on View, and you should get an option to Show All Devices. If your drive shows up but is not mounted, select the mount option which should mount that disk. This process should find and correct any minor errors with your drive. Navigate to the Apple in the upper menu About this Mac Storage. So its a good command to use when checking if drives are really connecting to your computer. The number following the letter s represents the partition number. Make sure to add the number or digit assigned to this drive at the end, in place of the underscore. ![]()
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