Recently I purchased Optoma XGA 316 model projector for my domestic use like viewing DTH TV, COMPUTER WITH VGA OUTPUT, HDMI SOURCES out of these all sources are working well but the MICRO B USB input was not at all detected when I used a pen drive. I did not find any solution for this problem. Please suggest me and help me to use Pen Drives for presenting Power Point Presentations or text files to read. I have used USB 2.0 TO MICRO B USB converter cable for my Pen drive. Thanks in anticipation.