Hi my name is EricWelcome to Just Answer, I hope I can help you with your issue.I have over 30 years experience as a technician in electronics.
similar to yours videos not that hard i think
and here not in english sorry
or just the screen http://www.ebay.com/itm/Genuine-Camera-Part-For-NIKON-Coolpix-P600-P7800-LCD-Display-Screen-Backlight-/251887581428?hash=item3aa5ab78f4
try this one the screen looks the same