Screen Sharing Help
& Troubleshooting
Zoom • Microsoft Teams • Meeting Setup • Audio • Echo • Microphone Issues
Screen Sharing Tutorials
Official step-by-step guides from Zoom and Microsoft Teams
Zoom – How to Share Your Screen
Learn how to share your screen, a specific window, or a portion of your screen during a Zoom meeting.
View Zoom Guide →Microsoft Teams – Screen Sharing Guide
Discover how to present your screen, a window, a whiteboard, or a PowerPoint in Microsoft Teams meetings.
View Teams Guide →Meeting Setup Checklist
Follow these steps before every meeting for the best experience
- Select the correct microphone and speakers/headset.
- Test your microphone before joining.
- Mute yourself when not speaking to avoid background noise.
- Close sensitive windows before sharing.
- Decide whether to share your entire screen or just one app.
- Enable computer audio if you plan to play videos.
- Use wired internet if possible.
- Sit in a quiet, well-lit space.
- Ask others on your network to pause streaming during your meeting.
- Restart your router if your connection is unstable.
- Remind attendees to test audio before joining.
- Encourage use of headsets to reduce echo.
- Ask participants to mute when not speaking.
- Share the meeting agenda ahead of time.
- Open your slides/documents before the meeting starts.
- Keep your desktop clean for screen sharing.
- Have backup copies of your files in cloud storage.
- Test any videos or audio clips you plan to share.
Common Issues & Fixes
Quick solutions for the most frequent meeting problems
Causes
- Someone is connected with both computer audio + phone audio.
- Two people in the same room are unmuted.
- A microphone is too close to speakers.
Mute one device, use headphones, or disable 'Join Audio' on the second device.
Causes
- Zoom: Check "Share Sound" when screen sharing.
- Teams: Enable "Include Computer Audio" before sharing.
Stop sharing → Share again → Enable audio option.
Causes
- Their microphone is muted.
- Wrong microphone selected.
- They joined with "No Audio".
Ask them to open Audio Settings → choose the correct microphone.
Causes
- Your mic is muted.
- Wrong microphone selected.
- OS blocked microphone access.
Check your microphone settings on each platform:
Causes
- Another app is blocking screen capture.
- Browser permission denied.
- Teams/Zoom not allowed to record screen.
Grant screen recording permissions:
Visual guide for setting up a Zoom meeting from start to finish.