1. What's wrong with it?
2. Data shouldn't be lost? Just connect the harddrive to another PC and move the files instead of paying for someone to do it...
3. Instead of bringing it in for repair...just reformat it after completing step 2.
4. PC's aren't that fragile...
5. Games don't mess your PC up. If you explained what kind of symptoms the PC was showing, I could probably explain why its doing it.