Once the sugar, liquid gets into the keyboard matrix(mask) it will become conductive and multiple responses is possible or worst, just lock-up. You can try and remove the keys and clean it with isopropyl alcohol,but the real cure is a laptop repair center to replace keyboard. The keys are available here http://www.replacementlaptopkeys.com/servlet/the-4964/HP-Pavilion-DV6000-DV/Detail and here is how-to http://www.machinaelectronics.com/store/library/HP_Pavilion_DV6000/key_type_k03 good luck and let us know how it is going