The rest of this article will go over the steps to turn on keyboard backlighting for different computers. Still, it never hurts to turn off your keyboard light when you don't need it. If you have a machine with a better battery life, like a MacBook Pro or the HP Spectre, you should be fine using your keyboard's backlight. My Surface Pro 4 doesn't have a very powerful battery to begin with, so every little bit counts. This can cost you battery life in the long haul. While this may be a useful feature, keyboard backlighting draws power from your machine to keep the lights on. It was created by James Karlin for his original backlit calculator keys and is marked by the number three. Notice the lamp towards the bottom of this diagram. For example, on my Surface Pro's type cover keyboard, there are tiny LEDs underneath the keys that shine up from the bottom. More recently, keyboard backlighting uses LEDs.
The original keyboard backlighting used a single lamp with a plastic diffuser to spread light out beneath the keys. Keyboard lights are nice, but they also use battery life.
#Keyboard brightness how to
Read on to learn how to turn on your keyboard light! Why You Shouldn't Keep Your Keyboard Light On Too Often Many popular devices, like MacBooks and Microsoft Surface computers, have backlit keyboards. A little fun fact: the first backlit keys were invented by James H. There's nothing cooler than working in the dark while being able to see all the keys in front of me. The keyboard backlight is one of my favorite features on a laptop. Surely there's something else you can use to see your keyboard in the dark? Although a pair of night vision goggles might be an interesting way for you to work on your laptop late at night, seeing what's on your screen might be a challenge while wearing them. For most people, it's hard to see in the dark.
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