You was switch. Served it to you faithfully some time. But unexpectedly now - and it fails. what to do in such situation? Given problem will devoted article.
The first step there meaning search company by fix switch. This can be done using finder, let us say, google, portal free classified ads or forum. If price repair you want - will think question exhausted. If this option you not suitable - then have solve this question own.
So, if you decided own repair, then first need get information how repair switch. For it has meaning use yandex or yahoo, or create a topic on appropriate community or forum.
Hope you do not vain spent efforts and this article helped you solve question.