You do not know repair broken PC? Just, about this you can read in article.
The first step sense search master by repair com. This can be done using yahoo or or popular community. If price services for fix will acceptable - believe question resolved. If this option not suitable - in this case you will be forced to solve this problem their forces.
If you all the same decided their forces repair, then the first thing must grab information how repair PC. For these objectives one may use any finder, or study appropriate forum.
I think you do not nothing spent efforts and this article least anything will help you solve this problem.