Windows 10: Hey, my hp laptop doesn't display anything yet the F12 button keeps lighting what could be...

Hey, my hp laptop's F12 button keeps on yet it doesn't display anything on the screen. What could be the problem. Am BOB

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Hp laptop screen won’t display except occasionally

I would like to note that step 20 comes up with no files. Perhaps this could be the source of the issues?

 

the night light it doesn t turn on

i have problem with the night light it doesn t turn on what am i doing to??

[Moved from: Windows / Windows 10 / Devices & drivers / PC]

 

Can't find night light mode in display.

Hey guys,

I just got this HP windows 10 laptop, and I tried to enable the night light function to help filter the blue light to protect my eyes from getting sore. I followed every steps online, "setting-display-night light mode"..but I reached to the "customize your display" instead of "display", and there's no such a thing called "night light"(pic shown as below). I would appreciate if you can help me with this problem, bring me back to the normal display setting to get my favourite night light turned on. Thank you!