dream problems.. :(

last night i went to sleep telling myself that i would LD and remember it... over and over.. I could swear that I read somewhere to do that.. but as soon as i went to sleep.. i woke up and it was morning.. didn't remember a darn thing.
this has been happening a lot.. actually ever since I tried to have an LD.. it's quite frustrating..

(I'm usually quite a vivid dreamer and often remember atleast one of my dreams each night.. although I've never LD'd.. so you can see how this is odd to me.. )

any ideas? am I maybe doing something wrong?

The most popular thing people say is to do reality tests throughout the day.
Most people don't enter a dream already lucid, they have to see / do something that they normaly wouldn't see / do while they are awake.
So, it would help to be more aware of your surroundings throughout the day (Next time you step outside, just stop, and look around for a few seconds.)
Also, ask yourself if you are dreaming from time to time, and do reality tests, especially if you see something you don't normally see while you are awake.