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HP Recommended
HP ENVY All in one
Microsoft Windows 10 (64-bit)

I have a work laptop (Dell) plugged into my ENVY all in one desktop (HDMI input) to display the laptop on the big screen.  The laptop displays fine when I toggle the input switch at the bottom of the screen.  However, when I want to switch display BACK to the ENVY All In One display, the ENVY screen keeps reverting (by itself) back to the laptop display (have to unplug the HDMI cable to maintain the ENVY display.  Any ideas? 

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