Problems with my motors

hi, i have a problem with my motors and my apm, i have the apm 2.6 and when i use my control devention-10, and the apm its not conected in my computer, my motors doesnt work, but when the apm its conected to the computer, the motors works good, someone knows the solution?, my battery give 3.75v and 600 ma

sorry, i forget one detaill, thats the apm battery, the motors battery are 11v, 1350 ma