I found USB problem in my Acer aspire laptop, when begin it was good working then after few month USB not connected to my laptop .how to find update USB drivers?
try martin cleanup toolhttps://martinprofessional.app.box.com/v/cleanup
Recently I have updated USB drivers from Acer support which are performing well. Update your right drivers from Acer team and make your pc to do better. Hope your problem will solve.