Hi HElizabeth:
Thank you for your query. I am pleased to be able to assist you!
I understand that you are having an issue with the sound and overheating. Have you tried the solution provided in the previous post by SuperMario1. Have you tried running the HP Support Assistant, to aid in updating drivers and resolving issue.click here. I am including documentation on "Troubleshooting an Overheating and Auto Shutdown Issue" click here. If you would like additional help would you provide your exact model number. How Do I Find My Model Number or Product Number? click here.