原帖由： oldturkey03 ,
Robson, take a look at the rubber pad under the Dpad. It is very possible that your Dpad is not making any contact with the logic board.not making anymore contacts with your Dpad. you will have to disassemble your GBC and see what you got. Here is [http://gamedesignreviews.com/scrapbook/gameboy-refurbishing-project/|a link to] a great refurbishing blog. Hope this helps, good luck.