You should consider the purchase of superb microphone first to remove at least this point from the list of possible problems. The issues should be solved methodically. Loss of connection happens due to hardware issues or driver problems, but sometimes even Window errors cause disconnection. It refers to such equipment as a camera, speakers or a microphone. Actually, all these things are equally important. Everything should work flawlessly for its efficacy therefore it’s hard to define the priority among different components ensuring its work.
It’s easy to lose it even when the slightest technical mistake occurs. Stable skype connection includes many constituents.