Windows 10: Powerpoint goes blank

I have been doing online presentations since Covid started, with my powerpoint on my laptop screen, and my notes on a 2nd monitor. Suddenly, anytime I click on my notes, or anything else outside of the powerpoint, my presentation will go blank. I haven't changed anything on my computer that I know of. I will add that I'm not terribly tech savvy, so I may have done something inadvertently. I'm have another presentation in a few weeks, so any help will be appreciated.

:)

 

PowerPoint file crashes PowerPoint upon opening

since this happens in some of the computers only, suggest that you open the file on working computer and copy everything and paste to a new powerpoint file.
most of the time it works to me. *Smile

 

PowerPoint 2016 high CPU usage after file is saved

Hi,

There's a possibility that an add-in that is installed and enabled in PowerPoint is causing the problem. For us to sort this out, we suggest checking the add-ins in PowerPoint and verify if a
CoPentaBar add-in is enabled. Follow these steps:

• Start PowerPoint.
• On the File menu, click Options.
• Then, click Add-ins.
• At the bottom of the Add-Ins dialog box, select COM Add-ins and then click
  Go.
• Click to disable the CoPentaBar add-in.
• Click OK.

Let us know how it goes.

Regards.

 

Screen goes blank after changing BIOS settings/

I don't know how long this has been happening, a few weeks at least, but whenever I change a setting in my BIOS (and save & exit), my screen goes blank and my monitor goes into standby. Any suggestions to fix this?