Nexus 7 connection to Computer

[Ashby Girl]

I'm stuck! tried everything. Computer sees nexus 7 but when I click on it it says no files. Web advice to swipe down from top Left of Nexus doesn't work.
Can you please help. I simply want to copy some photos off my computer onto my nexus7.

 

[B. Diddy]

Welcome to Android Central! When you connect via USB, swipe down the notification panel and look for a USB icon. Tap it and make sure it's set to MTP.

Which folder are you trying to look at?