I installed Ubuntu 16.04 LTS on a Asus R500V series laptop, which had Windows as its previous OS. This laptop has an Fn button to access some hotkeys. Fn + f8 toggles between screens if an external monitor or beamer is connected. This has four modes: laptop screen turned of, laptop shows only the wallpaper and the windows on the other source, external monitor and laptop are duplicates and laptop screen is a duplicate but smaller (black bars on either side).
My problem is this: Every time I boot my laptop and log in, the fourth mode is active (screen is a duplicate but smaller with black bars). I always shutdown with a normal screen. So whenever I log in, I have to press Fn + f8 to have my normal screen. This problem has no impact on other functionality but is just really annoying.
This isn't the first time I had issues with these buttons. This has been resolved but I wonder why my current problem exists. I cannot recall any changes I made related to graphics.
My OS Type: Ubuntu 16.04 LTS (regular), 64-bit
Processor: Intel Core i5-3210M
CPU: 5GHz × 4
Graphics: Intel Ivy Bridge Mobile
Graphics Card: NVIDIA Corporation GF199m [GeForce 610M]
I'm not a native English speaker so I welcome any suggestions for a more readable text.