Overview * Macs made before 2010 are NOT able to output audio over Mini DisplayPort. * Thunderbolt™ Port compatible Instructions Please drag window on desktop all the way over to the display edge and the window will be displayed on the external display. You may set external display to a mirror display 1 With your external display connected to Mac, open System Preference 2 Select Display 3 Select Arrangement tag 4 Check Mirror Display Specifications * Supports analog resolutions up to 1920x1200 and 1080p * Supports DisplayPort 1.2 * Supports VGA Deep Color 12 bit per channel (36 bit color depth) * Full EMI and RF shielding * Connector: Gold plated Mini DisplayPort / Thunderbolt™ Port male and VGA male Compatibility (List is not complete) * MacBook * MacBook Pro * MacBook Pro with Retina Display * MacBook Air * iMac * Mac Mini * Mac Pro Lenovo ThinkPad * X1 Carbon * X230 * L430/530 * T430/430s/430u/530 * W530 Microsoft Surface for Windows 8 Pro (Does NOT work with Surface for Windows RT) HP Envy 14/17 Dell XPS 14/15/17 Google Chromebook Pixel Note to customer This is NOT a bi-directional cable: It can only pass signal from Mini DisplayPort / Thunderbolt™ Port to VGA port Thunderbolt is a trademark of Intel Corporation in the U.S. and/or other countries.