My Flash stop working, do i need to replace it? (by 6 users)

I just bought a Nikon n80 from Adorama and the in-built flash does not produce any light. I followed the instructions in the book, the flash poped up, the red flash indicatior is lit and is not blinking (which means that the flash is fully charged), I take a picture and no light comes out of the flash. I tried different lenses(they all are D or ED), I tried different ambient light in the room and almost dark, no change. I am afraid I will have to return the camera(which was Demo quality as Adorama puts it) but I want to see if there is something I am doing wrong. Any suggestions?

i can't find battery

The flash won't charge at all on my Fujifilm Auto 10 35mm camera. It worked fine two days ago. To be fair the camera itself is several years old.

not used to polaroids wher do the batteries fit into on a P600 instant picture camera

my holga got dropped and the flash wont charge, have i broken the bulb? it dosent make the charging noise either, so could it be the batteries?