The function keys.
function
Alicia Keys was born and raised in Manhattan :]
she was spoiled
all laptops are different, just count them
~__-
No, she's from New York.
the name of the raised rat is Dartbristle
Fn key
When you look at a piano, you see white keys. Between some of the white keys, you see 3 raised black keys and then 2 raised black keys. Then you see the pattern repeated. Put your fingers on the 3 black keys. The white key to the right will be a b.
The F and J keys usually have some sort of physical indicator (e.g. raised letters, bump on the key, etc.). This is to aid touch-typists who place their left index finger on the F key and their right index finger on the J key to indicate the "home row."
If your keyboard did not come with a lighting option, there is no way to make the keys light up. There are keyboards out there that have illuminated keys that you can purchase.