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docone_DK

macrumors newbie
Original poster
Jul 24, 2018
11
3
Hi
My MacBook Pro 2018 (I9 15") unmount my external USB harddisk but in mount it again within 30 sec. I get the error message when it's unmounts.

I tried difference setup: thru my usb-c hub (satechi), direct into computer, another usb cable and last another harddisk ( WD Studio and LaCie Porsche design - 4Gb)

It happens randomly and sometimen when the disk is working ex. copy of files or when is not doing anything.

I'm on the newest OSX Mojave 10.14.4
 
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