my gateway laptop thai have a had for a year or so broke it wont charge and i already bought a new dc power jack for it and i tried to get it open put there are hidden screms or something is stoping me from getting to the inside so i can replace the power jack i am an electronics student and neither me or my teacher can find out how to get into it can u send me a manual or some directions to get into the pcb so i can desolder it and solder a new one on