Question Acer 5 main display blanked when I hook up external monitor

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Aug 5, 2021
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Displays were working fine until I took it on vacation and hooked it up to a TV using the HDMI ports to duplicate the pics. I never touched the display setting to use the TV and the video showed fine on both screens.
Since then, whenever the main display goes to sleep, it will not come back until I do a hard reboot and when I hook it up to my external monitor as before, it will only display on the the Dell after the boot up. When I go to display settings to try to reset them, it offers me the duplication or extend options, but once I select them, it goes back to showing "Use display #2only". I tried it using the F5 function key as well to no avail. Any suggestions? In the meantime, i set my sleep times way up to no lose the screen when I use the laptop alone.

any thoughts? Thanks.
 
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