Have you been using your computer for an extended period of time? Try restarting your computer; let it cool down before you use it again. Running your computer for an extended period of time is a bad idea and you should let it get a rest.
How to switch the wifi band from 2.4GHz to 5GHz in Windows?
Off-Campus Options for Internet Connectivity
What are some troubleshooting steps to fix issues when I can’t connect to the bucknell.edu network?