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PowerPoint 2013 doesn't return video to mirrored after using Presenter View

Here's a solution to this problem from Dan Swett, a Senior PowerPoint Program Manager at Microsoft.

Note: You can find Dan's original message here

Why does PowerPoint change my display settings?

To enable Presenter View as easily as possible, when entering slideshow PowerPoint will automatically change your display settings (also known as your display topology) to "extend".

Great, but why doesn't it go back when I leave slideshow?

We found that on many computers it was taking several seconds for Windows to change the topology from "duplicate" to "extend". This created a lot of anxiety for people who were often at one of the most stressful points in their presentation (getting it started).

While we're working closely with Windows on reducing the time it takes for the system to do a topology change, we wanted to release a solution to our customers more quickly. Our hypothesis was that many customers weren't familiar with extending their screen (since the default option is "duplicate"), and that their primary scenario for connecting to a second display was to present from PowerPoint. This simplest change to make was to leave the topology as extended, which would ensure that the next time that person presented to a second display they wouldn't experience the topology change delay.

It's clear from the feedback both here on Answers and from other customers that this is a decision we need to revisit since many people are confused by the current behavior and have a preference when not presenting from PowerPoint to be in "duplicate" mode.

Tell me how to fix it!

If you'd like to have PowerPoint 2013 automatically go back to "duplicate" after leaving slideshow, all you need to do is add the following information to your Windows registry:


For those not familiar with editing the registry, here's an easy way:

  1. Create a new file in Notepad
  2. Copy and paste the following:
  3. Windows Registry Editor Version 5.00
  4. [HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\PowerPoint\Options]
  5. "RestoreTopology"=dword:00000001
  6. Click "Save As"
  7. Name the file "Update.reg" (the .reg part is important!)
  8. Click "Save as type" and choose "All Files (*.*)" (this is also important!)
  9. Click "Save" to exit the dialog
  10. Close Notepad
  11. Double-click the file you just created
  12. Say "Yes" to the prompts (there should be two)

You'll find more information about making changes to the registry here.

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PowerPoint 2013 doesn't return video to mirrored after using Presenter View
Last update 05 November, 2014
Created: 05 November, 2014