Help D:

If i have an xbox 360 controller with the battery back not the rechargeable one
and i have the wire adapter do i still need batteries in the controller?
because i plugged it into my computer and the middle lights on the controller are blinking and i wanted to play games on the pc using the controller but it keeps blinking :[. What do i do?

durr.......

I put in batteries and its still doing the same thing D:

okay....you are using the batteries + the adapter cable...

yes .