Do not know fix broken button? About and is article.
For a start has meaning find specialist by fix button. This can be done using finder, local newspaper free classified ads or corresponding community. If price services for repair would acceptable - will think question resolved. If this option not suitable - in this case have repair own.
So, if you decided own perform repair, then first need learn how repair button. For it has meaning use mail.ru, or review numbers magazines like "Repair own".
I hope you do not nothing spent efforts and this article least something helped you solve this question. In the next article I will write how repair gasoline pump or gasoline pump.