Maybe you accidentally caught the Headplay goggle cable and ripped the plug out?Should have used the Liberator Protector ! That would prevent that from happening.But if you did damaged your Liberator in someway, then this replacment main board is for you !Tools needed: screwdriverRemove the Liberator back cover.Lift old board.Replace the old board with the new board and close the Liberator. That's it !We recommend to use Liberator Protector case to prevent damage to the fine pitch goggle plug !