1. I got this keyboard because I'm often working or gaming at night and really need some extra light up to see the keys. Although the letters are not illuminated it does light it up enough for me to work with it. The keyboard design itself is really modern. It has some nice sculpted edges on the top and bottom.
2. On both Dell and HP laptops, you can set your backlit keyboard to always on. If you have a Dell laptop, you even control the time-out duration. The backlit keyboard on an HP laptop works in three states; off, time-out, and always on. You can toggle the state via the keyboard light button.

1. Computer Keyboards With Lighted Keys

As we all know that light up keyboard laptop use more battery than a normal keyboard laptop. But Dell Inspiron i7559 has a very powerful battery, so the backlit feature doesn’t effect on battery timing. You can expect up to 10 hours of battery life from this Dell laptop with a single charge.

A handful of fancy, high priced notebooks come with newfangled backlit keyboards that make it easy to type in a dark room. Cheap computers like netbooks typically don’t.We’ve seen a couple of ways to add illumination to a netbook keyboard. You could, or and point it down toward the keyboard.But it turns out there’s a much easier solution that doesn’t require taking your computer apart or poking holes in it. All you have to do is pick up some glow-in-the-dark stickers to place over your keys.The folks at the MyDellMini forums have been, and while it sounds like some kits don’t have stickers for all the keys (such as Enter), and may require you to trim the sticker if you still want to see the extra Fn features, they do seem to help make the keyboard easier to see in the dark.via.

How can the answer be improved?

A light up keyboard is a keyboard which can be illuminated during use. These keyboards are designed for use by people who work in dark environments to increase accuracy and to make it easier to use the keyboard.

Computer gamers are especially fond of light up keyboards, some of which are specifically optimized for gaming, and these keyboards are also used by people on board ships and aircraft, and biologists who want to record data in dark environments without turning a light on and disturbing their subjects.Many light up keyboards are simply backlit, with an array of lights which illuminate the area behind the keys, causing the outlines around the keys to light up. The characters on the keys may be transparent so that they also glow when the keyboard is illuminated.

Red is a common choice of backlighting, since it is easy on the eyes in the dark, but blue, purple, green, white, and other colors can be used, with some keyboards having several color options for users to choose from.It is also possible to purchase a light up keyboard with illumination which changes, depending on the use. For example, a keyboard might have a which lights up when the user touches it, alerting the user to the fact that the touchpad is active. Illumination might also be triggered when various shift and function keys are held down, with highlighting around the keys which can be activated for various purposes. Some light up keyboards have some additional functionality features. Some are designed in the form of pads which can be rolled or folded up for mobility, with the lighting illuminating the keyboard for contrast and better visibility once the light up keyboard is laid out and turned on.

Computer Keyboards With Lighted Keys

Users can also program specific lighting sequences or features on some keyboards. Power saving modes which turn the lighting off or reduce it may be activated in the keyboard's management program in some cases.Users who wish to purchase a light up keyboard should be prepared to pay a little bit extra, as light up keyboards are more complex than regular keyboards. It is possible to purchase both wired and cordless light up keyboards, with cordless versions usually having specialized batteries to prolong the life of the keyboard. When purchasing a light up keyboard, it can also be a good idea to think about how the keyboard is to be used, and to look for features which might be advantageous, such as programmable color schemes, a touchpad, or a gaming pad which includes programmable hot keys which can be utilized in various computer games.