sir, my charger got replaced..but still the same..meron din po whining noise (high pitch sound) sa loob nang power brick pag na plugged-in ko..but not that noticeable..marinig ko lng if i put my ear next to it..same as the old one..how about sa inyo po? baka pwede nyo ma try pakinggan nang malapitan,bka same rin po? just to confirm lang po..thanks!