How to adjust a laptops brightness when on battery
Question
How to adjust a laptops brightness when on battery.
Answer
By default all computer laptops will dim their display when running on battery power. This is done to help conserve battery power and get more from your battery.
Power settings
In Microsoft Windows open your power settings by clicking on the power or battery icon in the Systray or lower-right corner of the screen as shown in the picture to the right. Once in this screen the power plan can be adjust or additional power options including the brightness can be adjusted.
Older computers / CMOS setup
Older computers or those not running Windows can often also adjust their brightness settings through CMOS setup.
Once in the CMOS setup you'll be looking under the power, display, or video setting depending on the make and model of your laptop.