i can't get my sd card to work in the slot, it doesn't show up, i have tried it on another imac and it works fine. doesnt even show in i photos.
can anyone help, i have done a software update and its made no difference.
Have a look in Finder Preferences: Click on the desktop, Finder>Finder Preferences.General tab - is there a tick in "External Disks'? If not, tick it.
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