Resolve issues with your hardware and software
- My camera does not work
- My microphone does not work
- My speaker does not work
- My browser is unsupported or outdated
- I need to allow camera access
- How do I switch between front and rear camera on my mobile device?
- How do I switch between microphones?
- My device’s operating system is outdated
- Links keep opening in a browser that does not support ClassDo
- I need to allow microphone access