laptop keyboard driving me crazy

I bought this new laptop and now whn I type faster or put my fingers relaxed and then type quickly.. every 2 or 3 letters I try to type the cursor or jumps back 4 or 5 letters or deletes the whole or part of a world and then starts from there or the cursor ends up in another tab or table etc or the window suddenly gets minimized(it is not a virus.. it is the damn keyboard). I tried tried typing slowly to see if my fingers hit some other button by mistake but I don't see it .. even if it did.. what kinda button on the whole keyboard makes the cursor jump few lines back or few letters back or delete half of a word and start there. I really had to stop and type this extremely slowly like if I was typing on a blackberry or something.. it is fucking annoying as hell.. do I have to return this piece of crap now???

btw if you are interested it is a ACER ASPIRE AS5315-2848 LAPTOP PC(2.1GHz/1GB).

 

It's new that wouldn't be a problem return to where you bought it and ask them to fix it, warranty.

 

it was the sensitive touchepad that was doing all that.. had to temporarily disable it(Fn + F7) but I am trying to installl synaptics driver to access the settings for the touchepad and permanently disable it or something.