How to change max_brightness beyond the max?

Currently on an asus g73jw. 
cat /sys/class/backlight/acpi_video0/max_brightness
10
I've tried to edit this to 11 and it fails with permission denied regardless of root.  I've tried echo'n 11 into /sys/class/backlight/acpi_video0/brightness
The problem is that on windows, this laptop was very bright.  I am currently sitting in front of a window on a sunny day and on windows it would be ok.  Right now it is too dark so I'm thinking the max brightness isn't set as high as it should be.  However, I've read the backlight wiki https://wiki.archlinux.org/index.php/Backlight and nothing seems to allow me to edit for higher values.
Thoughts?  Any leads?

that is a value reported by the driver for information purposes, so you cannot change it. if you know that your screen has more brightness and you are 100% sure you can open a bug report to the driver developer sothatit fixes the issue. i don't know which driver takes care of it. look about it in google. something like max brightness too low linux. also, there is the possibility that the windows panel that takes care of brightness also changes parameteres from the graphics card or the color profile, giving you the fake impression that you get more brightness on windows, but you are sacrificing color quality with this method, so it does not belong to brightness under linux. to know if this is the case put all your screen with a fullscreen white image and check if the white is more bright on windows than on linux.  if windows is brighter the almost then probably max_brightness is not being reported properly, or the driver does not understant the brightness adjustmemt hardware to all its depth.

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