Odd black box on screen

Joined
Apr 18, 2017
Messages
1
Reaction score
0
Points
1
Screen Shot 2017-04-17 at 11.29.31 PM.png There's a black, translucent box with square corners that has smaller, white boxes with square corners on each corner. It doesn't change size when I alter the size of the dock. What is this thing???
 
Joined
May 21, 2012
Messages
11,428
Reaction score
1,676
Points
113
Location
Southern New England
Your Mac's Specs
2024 M4 14" MBP, iPhone 16 Pro Max, Watch S7 & Watch S9, AirPods Pro 1
What Mac model, year, and OS does this happen on? Can you post a screen shot?
 

Shop Amazon


Shop for your Apple, Mac, iPhone and other computer products on Amazon.
We are a participant in the Amazon Services LLC Associates Program, an affiliate program designed to provide a means for us to earn fees by linking to Amazon and affiliated sites.
Top