Hello gypsie149,
Thank you for using Apple Support Communities. It's my understanding that your MacBook Air isn't behaving as expected. I can definitely see how this could be concerning. I'm happy to help.
If you haven't already, make sure that your Mac has the latest software.
How to update the software on your Mac
If the issue persists, test while in safe mode. Starting in safe mode allows your Mac to run certain checks, remove caches, and prevent login items from automatically launching. This can isolate possible third party issues. Use the steps and information in the link below for assistance with safe mode:
Use safe mode to isolate issues with your Mac
If these steps don't help, tell us more about what you're experiencing. Please include specific error messages and any other troubleshooting steps you may have tried.
Have a nice day!