By default, when you switch your Linux Mint laptop from AC power to battery, MATE dims the brightness level to 50% from the current brightness level. Personally, I felt that 50% was too low of a value for me, where the display felt too dark. There is no option in the GUI to change this value, but it can be tweaked anyway. Let's see how.
Tag: linux brightness
How to set the default brightness level in Linux Mint MATE edition
If you are running Linux Mint with MATE on a laptop, you might be interested in learning how to set the default level of brightness for the screen. A lower screen brightness can save you more battery power. Even when you are using an AC power source, an optimum brightness level can make reading more comfortable. Here is how it can be done.