ViewSonic PJD7828HDL USB Power 5V/2A is not turned on by default. To turn on the USB 1 Power, you have to turn it on by going into the Menu.
Go to the menu, then the 3rd Icon, scroll down to MHL Settings and change the Power Out to USB 1.
https://www.websences.com/wp-content/uploads/2017/06/logo-300x97.png00adminhttps://www.websences.com/wp-content/uploads/2017/06/logo-300x97.pngadmin2016-08-22 10:31:512016-08-22 10:31:51ViewSonic PJD7828HDL USB Power
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