Screen share not showing from host

Hi @Hala Yousef, 

Thank you for reaching out to the Microsoft Q&A forum and sharing the details of your experience with Microsoft Teams on your Samsung Tab A9+. 

I truly understand how important it is for you to follow your classes, and I appreciate the steps you've already taken to try and resolve the issue. 

Based on what you've described where audio, video, and chat work correctly, but the host’s shared screen appears as black, this situation matches a known issue that was recently acknowledged and addressed by Microsoft. The fix is currently being rolled out gradually across tenants. 

In the meantime, here are a few steps you can try on your device to improve the screen sharing experience: 

1/ Try to update the Microsoft Teams App 

• Open the Google Play Store. 
• Search for Microsoft Teams. 
• Tap Update if available. 

This ensures you’re using the latest version with the most recent fixes. 

2/ You can try to clear App Cache 

• Go to your tablet’s Settings. 
• Tap Apps > Microsoft Teams. 
• Select Storage. 
• Tap Clear Cache. 

This helps remove temporary files that may interfere with screen display. 

3/ Please check App Permissions 

• Go to Settings > Apps > Microsoft Teams. 
• Tap Permissions. 
• Make sure Camera, Microphone, and Screen Access are allowed. 

Permissions are essential for Teams to function properly during meetings. 

4. Try using Teams in a Web Browser 

• Open Chrome or another browser on your tablet. 
• Visit teams.microsoft.com. 
• Sign in and join your meeting from the browser. 

Some users find that screen sharing works more reliably in the web version, especially on mobile devices. 

5/ You might try to restart your device 

• Power off your Samsung Tab A9+ completely. 
• Wait about 30 seconds, then turn it back on. 

This refreshes system resources and may help resolve temporary glitches. 

6/ You can check the newest system updates 

• Go to Settings > Software Update. 
• Tap Download and Install. 

System updates can improve compatibility with apps like Teams. 

Moreover, if you're still encountering the problem, it’s likely that your tenant hasn’t received the update yet. In this case, I recommend asking your university’s IT team (with admin privileges) to open a support ticket with Microsoft. This will allow our backend team to assist directly and ensure the update is applied to your environment. 

As a community moderator, we do not have sufficient permissions and resources to conduct research directly. We recommend that you contact your IT administrator and your IT administrator can follow the steps in this article to create a Support ticket.   Engaging with Microsoft Support will allow you to work with agents who can provide live assistance and escalate the issue to specialized teams if needed. They also have the ability to perform deeper backend analysis and offer targeted solutions that go beyond what we can provide here in the forum.  

• To do that, if you or your IT admin have admin access, go to "Microsoft 365 admin center"   
• Please follow this article: Get support - Microsoft 365 admin | Microsoft Learn.  
• On right bottom corner click on "Help & support" after that choose the "Contact support".  
• Fill out the required information in the form, including a description of the issue you are experiencing.  
• Click on the "Create" button to submit your request. Which will give you a ticket number.  
• Once your request is submitted, a support engineer will be assigned to your case and will contact you to provide assistance.  

Note: If you’re an end-user, please coordinate with your IT Administrator to handle these steps.    

After submitting a support ticket, you can also share the ticket number with us if you want. We will also monitor the progress from our end.  

Please understand that our initial response may not always resolve the issue immediately. However, with your help and more detailed information, we can work together to find a solution.

Thank you again for your patience and for choosing Microsoft Q&A forum. Please let me know if there’s anything else I can assist you with. I’m here to support you every step of the way.  

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