Here it is.... and i am sure that you have done these step every time when you need ti fix anything related to your Desktop. Well i also have done these kind of fix often to avoid the other long and technical steps, sometime it works fine and sometime you have to pay double. 
Here are these Fixes which, i think we all try first to get the technical support.

1. Plug It Out and Plug In
2. Turn Off the Part, Wait 30 Seconds, and Turn It On
3. Install a New Driver
4. Google the Error Message
5. Find and Remove Malware
6. Avoid Viruses by Not Opening Unexpected Attachments
7. Run System Restore
8. Check for Overheating
9. Install a New Power Supply
10. Run Check Disk Scan