#1. "RE: D7000 Ok button and 'up' selector doesn't work. Turned off or defective camera?" In response to Reply # 0
Mount Prospect, US
It sounds like a camera problem -- certainly not in settings. I'd suggest doing a full reset (page 151 of the English manual - hold both buttons with a green dot). If that doesn't fix it, it probably needs service. US warranty is one year - I'd guess the same for Canada. I hope the reset works.