I have a Nexus 7 tablet and Windows 7 computer. I can see the tablet in the device manager as a Nexus 7. It shows up as nexus 7 when I view it on my PC as a drive.
When I drag a photo to the tablet from the pc, the photo file on the nexus 7 shows up there. I cannot view the photo no matter what I do on the tablet, it says 0 photos. I also cannot get any video file to play on the tablet after I drag and drop it. No sign of it on the tablet, but I can see it in the folder on my pc.
I am using USB. This is so frustrating.