You do not know fix out of service hall? Actually, about this problem I and tell in current article.
Many think, that repair hall - it enough elementary it. But this not quite so.
If you decided own perform repair, then in the first instance need learn how perform repair hall. For it one may use or yandex, or browse issues magazines type "Junior technician" or "Home workshop".
I think this article least something helped you fix hall. In the next article I will write how repair touchpad or stool.