my a20m (that was given to me with this problem) wont start. If I press the power button, the power LED lights up then dies instantly, i hear a click sound when I press the power button. I tried removing the bat, using only the charger and it still wont start. I tried removing the hard disk, dvd-rw and the ram one by one and tested them on all possible combinations (with or without the hardwares) and still the same result. what seems to be the cause of this problem? :4-dontkno