Slides are not visible or appear blurry on Zoom, Google Meet, or Microsoft Teams

Under certain circumstances, slides in your mmhmm presentation may appear blurry or may not appear at all. Learn why this may happen and how to make your slides display in the highest possible resolution.

Table of contents

Examples of blurry slides

The example below shows screenshots of an mmhmm slide shared in a Zoom call.

Blurry slide content:
Clear slide content:

If your audience is seeing blurry slides, follow the steps below to present your slides in the highest fidelity possible. 

What causes blurry slides?

Video conferencing platforms optimize the quality of a call based on the bandwidth of its participants. When the platform detects a participant's low or unsteady bandwidth, it will sacrifice video fidelity to keep the call running smoothly.

Usually, this is fine—even if you're not seeing a teammate's talking head in the crispest resolution, you still get everything they're saying. Unfortunately, this bandwidth-saving tactic makes the slide unreadable because mmhmm uses the presenter's feed to transmit slide content.

Turn off background blur or virtual backgrounds

Some video conferencing platforms have the option to turn on background blur or virtual backgrounds which can interfere with mmhmm.

Zoom Google Meet Microsoft Teams
Zoom's background blur feature can cause background blurriness or distortion. To turn off background blur in Zoom:
  1. Open Zoom and start or join a meeting.
  2. In the bottom toolbar, click the caret ^ icon next to Stop Video.
  3. If Blur My Background is checked, click it to deselect it.

This will disable the background blur and allow your mmhmm slides and background to be seen in full resolution.


If you have a virtual background applied in Zoom, your audience won't be able to see your mmhmm slides. To turn off virtual backgrounds in Zoom:

  1. Open Zoom and start or join a meeting.
  2. In the bottom toolbar, click the caret ^ icon next to Stop Video and select Choose Virtual Background.
  3. In the window that appears, select None.


This will disable your virtual background and allow your mmhmm slides and background to be seen.

Turn off macOS Portrait mode

If you're on macOS and have a blurry background and have tried turning off background blur in your video conferencing tool, you might have macOS's Portrait mode enabled. This will apply a background blur on all of your video conferencing tools including mmhmm. To turn off portrait mode:

  1. Open mmhmm desktop or mmhmm Studio on your Mac.
  2. In the Mac menu bar, click the Control Center icon.
  3. Click Video Effects, then deselect Portrait.


This will disable the background blur and allow your mmhmm slides and background to be seen in full resolution.

Use the Broadcast window (mmhmm Studio)

Note: The Broadcast window is only available in mmhmm Studio.

When a presenter begins sharing their screen, the video conferencing platform will try to display the screen in the highest resolution. If you're using mmhmm Studio, you can share the app as a Broadcast window.

  1. Open mmhmm Studio on your device.
  2. In the menu bar, go to Window > Broadcast. This will open an image of your mmhmm stage in a new window. 


  3. Double-click the title bar of the Broadcast window to make it the same size as your desktop without going full screen.


  4. Share your screen in your video conferencing tool:
    • In Zoom, click the Share Screen button in the bottom toolbar.
    • In Google Meet, click the Present now icon in the bottom toolbar.
    • In Microsoft Teams, click the Share button in the top toolbar.
  5. From the available screen and window options, select the mmhmm - Broadcast window.


This will automatically set your audience's screens to Speaker View and maximize bandwidth for a smooth and crisp presentation.

Additional tips

Picture quality will always be determined by the available bandwidth, but you'll be much less likely to encounter blurry slides by following these steps.

Don’t see the answer to your question? If you’re having technical difficulties or want to suggest a topic for this guide, submit a support ticket or email us at

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