Staring at a bright computer screen can cause eye strain and tension headaches. If you’re on a laptop everyday for work and suffer from these issues, you should consider changing up the brightness ...

Add Yahoo as a preferred source to see more of our stories on Google. Press Win+A to find the brightness slider, or look for the sun keys on the keyboard Alternatively, use the screen brightness keys ...

Use left and right arrow keys to seek audio. Is your screen too dim to see or uncomfortably bright to use, and pressing the brightness keys doesn't change anything? Or is the brightness slider grayed ...