Turn Off Screen via Fully Kiosk in HA

Support & help
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Hi,

Need some help.

I use FydeOS 20 on a Lenovo PC tablet with fully kiosk and Home Assistant.

I’m not sure if it’s possible but is there anyway I could make the screen black instead of it turning white when I turn off the screen via Fully Kiosk?

For those who don’t know, there is a feature in Fully Kiosk once added to HA you can toggle the screen of the device on or off but when I turn off the screen turns white instead of black.

Appreciate if anyone can give me some feedback please.
Thanks