Originally Posted by
airborne_artist
No serviceable items on a CRT monitor in my experience.
Not home serviceable, but eminently workshop serviceable! A lot more so than a flat-screen!
Anyway, you might also consider the driver - nVidia cards have a brightness and contrast setup in Settings/Advanced/GeForce that you can adjust.
Have you tried borrowing a mate's CRT or taking your PC to another CRT?