Cmon Sepha, l2p @ night
All you have to do is grab some chemlights, throw 1 and pick it up. It will give you enough light to see what is around you. No need to have a flashlight for that (I've never ever used a flashlight in DayZ ; And I played it ALOT).
Pfft... chem lights.
Escape -> Options -> Graphics -> Gamma + Brightness to the riiiiiiiiight
I am a terrible person.
I'll give this a go next time I've got a few friends on.