1. Install the UPDD driver from Touch-Base.com Download and install the UPDD driver from Touch-Base.com→Download Centre:     http://touch-base.com/download.asp NOTE:  You will have to submit a download request.  Choose the right version for your set up. Here are the settings for an Acer T272HL touchscreen display: Touchscreen controller:  Acer, T2n2Hx, USB Operating System:  Mac OSX – Intel […]