Please take a look at Zoom's Support Portal, linked below. Zoom has helpful resources, including information on supported devices, and audio and video checks:
Zoom Support: https://support.zoom.us/hc/en-us
Zoom FAQ: https://support.zoom.us/hc/en-us/articles/206175806-Frequently-asked-questions
Zoom Troubleshooting Profile Picture Photo Issues: https://support.zoom.com/hc/en/article?id=zm_kb&sysparm_article=KB0065840
For issues with Zoom, please make sure to update your zoom client/application and then try again.*
*Zoom update notification: Users who are running an end-of-life version after May 4, 2024 will be logged out of their Zoom Client (Desktop, Mobile, and VDI) or not be able to join meetings via the Zoom Client until they update.