I switched to second screen on my Aspire E 15 and now it's stuck at black screen can anyone help?

I don't use a secondary monitor just a single laptop, I've tried to connect it via HDMI to a TV to see if I could get the screen to show on it but it didn't work even after using
Fn 5/Fn 6, Windows key + ctrl + alt + shift + b, everything I've tried hasn't worked, and it's not just some black screen, this happened when I chose the option to go to second screen thinking I could access my Nintendo switch screen, none of my keyboard or mouse do anything and holding the power button neither, anybody know a way to fix this?

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JackE

>>>Fn 5/Fn 6>>>

No. It's FN+F5, not FN+5.

Easwar

Hi Stogo,

Try to do power drain,

1. Turn OFF the unit.
2. Unplug the charger.
3. At the bottom there will be a tiny pin hole with battery sign close to it take a pin or paper clip and insert into it hold that button for 20-30 seconds. Then turn ON the unit and check.