once you get your new one, open it up, compare to the old one. remove the components piece by piece at same step. eventually you should be able to find out what is not correct.
【在 m********n 的大作中提到】 : once you get your new one, open it up, compare to the old one. : remove the components piece by piece at same step. : eventually you should be able to find out what is not correct.