well it could be a couple things. Are the battery connections clean? It could be the power adapter too. you can get a new power adapter and it may fix the problem. I would try out your PA on another computer and see if it works
well it could be a couple things. Are the battery connections clean? It could be the power adapter too. you can get a new power adapter and it may fix the problem. I would try out your PA on another computer and see if it works