This is a simple setting feature in mac os
the reader puts a black box around the things that it is reading, so basically it starts appearing when you press: apple + f5 key
to remove it, simply press: fn + apple + f5 key
This is a simple setting feature in mac os
the reader puts a black box around the things that it is reading, so basically it starts appearing when you press: apple + f5 key
to remove it, simply press: fn + apple + f5 key