no power supply(adaptor) what #'s on a adaptor do I need to see? volt ?watt? amp? Want to use whatever adaptor compatible to use as a substitute until I can replace it with the correct one(ALTEC lansing). What is the black plug in for? have connected the green plug in the matching greenhole into pc. What is the black cord for? gaming system? Please reply clearly, a simple yes or no will work for me as for is there a substitute for the adaptor (power supply). Thankx