teams only sees 1 screen when trying to share - I have 2

Hi @Alicia Y,

Thank you for posting your question in the Microsoft Q&A forum.

I can understand how confusing this situation is, especially when Windows clearly recognizes two displays, yet Microsoft Teams only shows one option when you try to share your screen.

In Microsoft Teams, this behavior most commonly occurs when the second display (such as a TV connected through a docking station) is not fully detected by Teams as a separate, shareable screen. Although Windows may show the display correctly, Teams relies heavily on how the graphics driver, hardware acceleration, and docking station handle external monitors. This is a known scenario on some Lenovo devices, which would also explain why other users in your office are seeing the same issue.

To help resolve this, please try the steps below in order, as they address the most common causes:

1/ Toggle hardware acceleration in Teams:

This step fixes the issue for many Lenovo users.

1. Open Microsoft Teams
2. Go to Settings > General
3. Scroll down to Application
4. Toggle Hardware acceleration:
   • Turn it OFF if it’s currently on
   • Turn it ON if it’s currently off
5. Completely restart Teams (right‑click the Teams icon in the system tray and select Quit, then reopen Teams)

After restarting, join the meeting again and test screen sharing.

2/ Confirm Windows display settings:

Please make sure the displays are set to Extend, not Duplicate, as duplicated displays will appear as a single screen in Teams.

1. Right‑click on the desktop and select Display settings
2. Under Multiple displays, confirm it says Extend these displays
3. Ensure both displays show as Connected and enabled
4. Click each display to verify it’s active
5. As a test, try temporarily setting the TV as the Main display, then close and reopen Teams

3/ Check docking station and graphics drivers:

Since docking stations are often involved in this behavior:

• Make sure your graphics drivers and docking station firmware are fully up to date
• If possible, temporarily connect the TV directly to the laptop, bypassing the dock, to see if Teams then detects the second screen

This helps confirm whether the dock is contributing to the issue.

4/ Confirm you’re using the Teams desktop app:

Please ensure you’re using the Teams desktop application, not the web version. Screen‑sharing options, especially for multiple monitors, can be limited in Teams on the web.

To verify during screen sharing, when you click Share in Teams, you should normally see options such as:

• Screen 1
• Screen 2
• Window
• PowerPoint Live

If your second monitor does not appear under the Screen options, it means Teams is not detecting it at all. In most cases, hardware acceleration settings or docking station behavior are the underlying cause.

Once you’ve completed these steps, rejoin your meeting and open the Share menu again. In most cases, both screens should now appear as separate sharing options.

If the issue persists even after trying all of the above, I recommend reaching out to your IT department. Since multiple users are affected, this may be related to organization‑wide settings, such as graphics drivers, docking station configurations, or device policies.

You may also create a support ticket by signing in to the Microsoft 365 admin center and following the steps in this link: Get support for Microsoft 365 for business to create a support ticket from the admin center or by calling phone support to contact Microsoft Support: Customer service phone numbers. If you don't have admin privileges, you can ask your IT admin to do it on your behalf.

Alternatively, you can learn how to find your administrator through this link: How do I find my Microsoft 365 admin?.

Note: We appreciate your understanding regarding the scope of support available through this forum. As moderators, our role is to provide general guidance and assist with common troubleshooting steps. While we do not have access to internal systems or administrative tools necessary to resolve specific account or backend-related issues, we will continue to do our best to support you within the scope of our responsibilities.

I hope this helps explain why this is happening and gives you a clear path to resolve it. Please feel free to follow up and let me know how it goes, or if you need further assistance. I’ll be happy to help.

I look forward to your reply.

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When using Microsoft Teams, if you're only seeing one screen option (your laptop) instead of both screens in a dual-monitor setup, it could be due to how Teams interacts with the extended display settings or the docking station configuration. Here are some steps you can take to troubleshoot and potentially resolve the issue:

1. Check Display Settings: Ensure that your TV is correctly set as an extended display in your Windows display settings. You can do this by right-clicking on the desktop, selecting Display settings, and confirming that both screens are detected and set to extend.
2. Update Teams: Make sure that you are using the latest version of Microsoft Teams. Sometimes, updates can fix bugs related to screen sharing.
3. Disable GPU Hardware Acceleration: In Teams, try disabling GPU hardware acceleration. Go to Settings and more (the three dots next to your profile picture) > Settings > General, and then check the option to disable hardware acceleration.
4. Restart Teams: Sometimes, simply restarting the Teams application can resolve display issues.
5. Direct Connection: If you're using a docking station, try connecting the TV directly to the laptop's video port instead of through the dock, if possible. This can sometimes improve detection.
6. Resolution Settings: Ensure that the resolution settings for both displays are compatible. Sometimes, mismatched resolutions can cause issues with screen sharing.

If these steps do not resolve the issue, you may want to consult with your IT department or check for any known issues with Teams and your specific hardware configuration.

References:

• Known issues with Teams Rooms on Windows
• New VDI solution for Teams