my usb device disappear in sidebar in Finder by accidentally deleted, what can i do?,
my usb is connected with my Mac air,
but i accidentially click =hide from sidebar=.
and now it cannot be shown in the sidebar.what can i do to show it back?
Click on the square Finder 'face' in the Dock, then at the top of your screen, choose
Finder > Preferences > Sidebar and check the box under Devices | External disks that is either unchecked or has a horizontal bar in the box.