I'm having problems with my Acer screen
From time to time, you may find that the brightness on your Acer screen diminishes, making it difficult to see, or, that the manner in which the colours are displayed on the screen varies in strange ways. Below, you'll find solutions to these display related problems.
Solving common screen problems
My screen's too bright/not as bright as it should be
To adjust the brightness of your Acer screen, simultaneously hold down the Fn key and, either the left or right arrow keys, (found on the right-hand side of your keyboard.) If your Acer screen is too dark, and you’re finding it difficult to work, press the Fn key and the arrow key on the right to make the display lighter. Alternatively, if your Acer screen is too bright, hold down the Fn key and the left hand arrow key to take the edge off of the brightness. By right clicking on your Desktop, you can also adjust the resolution of your Acer screen.

What’s wrong with the colours on my Acer screen?
If the colours on your Acer screen look strange, go to the Control Panel and select Display. Down the left hand side of the Display box, you see should the Calibrate option. After selecting, (and working your way through,) the Calibrate option, you should be able to accurately adjust the colours on your display