Question Weird white speckles on screen

[whileloop22]

It's only noticeable on dark backgrounds and it doesn't appear whenever the monitor is turned off.

Image -

https://imgur.com/dKfopRC

View: https://i.imgur.com/dKfopRC.jpg

 

[R4DIO4CT1VE]

What monitor is it?

 

[whileloop22]

Dell E1909W