How can I make the screen on my laptop go black and white?

How can I make most of the picture black and white and only one thing or a couple of things in the pic color? -thanks

When I turn on my laptop its turn(on/off) button lit and the processor blinks for a few times and stop. But the screen is st...

The caller ID on my TV is really annoying. How do I make it go away?

I clicked a couple random keys on the keyboard accidently and the words, pictures, everything on my screen has shruck a litt...

if you make a scheduled scan, will it scan even if your laptop is not on?

i turned on my computer and the screen is dark you can hardly see.

So last summer I dropped my laptop. Half of my right screen is black, and there's like one maybe two black spots in the middl...

how do I make my computer screen smaller so I can see everything on it

... Processor blinks for 3 times along with the DVD player... then it stop... but the light of the turn on button is lit... ...

I have a black and white photo that I would like to restore and colorize. How can I do that for free using a Macbook?