What can I do if I cannot install the driver in the Mac system? Parblo Support April 06, 2020 06:54 Updated Follow 1. Open the "System Preferences" of your computer. 2. Go to "Security and Privacy" to choose "Anywhere" Related articles What can I do if I got the message "Not Find Tablet", "Tablet Not Found" or "No Device"? A640 Driver A640 Driver Unable to Click with Mouse Pointer in Mac OS Mojave 10.14 using Parblo A640 or Mast 10? Coast10 Driver Comments 0 comments Please sign in to leave a comment.