Visualization

[Clemantine]

Hello everyone, I have a problem with visualizing things, so i have a question for you: Am i supposed to see vivid images or black? because i only see black..i tried following Leo's video "Visualization" and when he keeps describing, i can see the things he's describing as a memory i can see them in my mind when i think of them but they aren't that clear they're kind of flashs. It's hard to describe, to make it simple for you, if you tell me to visualize a particular color/fruit/member of my family, i will only see black.. 

I will appreciate any response that will help me. I'm really trying to figure out what to do, and I really want to start visualizing like everyone else.

Thank you.

[Seemore]

Pretend to feel the fruit and look at the particular spots on it, I imagine a pear. It's done