This is a question not a problem, i normally play on Mac but am on a PC laptop, if i play game on battery brightness is very good, but as soon as i plug power lead in it goes down by about 50%.
Is there a setting or something i need to do as I no nothing about PC, I have done re-light on all places in pssetup except oja road, as that crashes pssetup, made no change to brightness
Thanks for help in advice.

)