I am putting links to useful internet help and info here...

You maybe looking for another website screenconnect.com Zoom.us or another site...

Are you having problems staying online?

http://www.ismyinternetworking.com/

Want to see if your Web Cam works for audio and video before your next video zoom etc...

https://webcamtests.com/

Check your internet ports

https://www.yougetsignal.com/tools/open-ports/

https://www.opensignal.com/

Help troubleshoot tech with screenshots

https://www.chasms.com/

https://edu.gcfglobal.org/en/subjects/tech/