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Any it really doesnt matter. But the lower is better.
Typically anything that can turn on/off with ambient light detection (night lights, solar landscaping lights, laptops with lighting sensor to adjust the brightness and keyboard backlights, mobile phones, etc..)
as far as i know... the earth doesnt give off rays.
No, you only pay for the power used. Light on you pay, light off no cost.
Sight can only be possible in the presence of light. To be able to see an object, we either see the light which it emits, if it is a luminescent object, or the light which reflects off it, if it is a non luminescent surface.
Usually, if NumLock is turned off, the numeric keypad to the right of the keyboard can control the cursor.
The external display has nothing to do with it :). You have numlock turned on, turn it off by either pressing function (fn) + numlock or just the numlock key, it depends on try way your computers configured. Usually if your function key is the same colour as the numlock text, you need to do the first key sequence, if not, just try the other :)
Simple. Just press the numlock key of the laptop and it will automatically be turned off. Hope this helps. <><
Don't laptops use the numlock key? Because I think that you have to press numlock, then 3 to get a number. Just remember to turn off numlock when you're done with numbers (there shoud be a little light somewhere)
One reason the Fn key may appear stuck is if you recently plugged a full-size keyboard into your laptop and pressed the NumLock key. This key activates the Fn key on the laptop. To return the Fn key to its original state, plug in the keyboard and disengage the NumLock key. Remove the keyboard and test out any of the Fn assigned keys. They should return to normal working status. If it doesn't however, you may require further troubleshooting. You can find out if its the numlock by holding the fn key to type normally. if it types normally then and oposite when released then that's the problem. you can turn it off by holding the fn key and presing either the blue "num <arrow down>" or the blue numlock key. (both are numlock just look different on some laptops.
undo numlock
Press the num lock key but if it is on f11 or something hold the fn key and press it
You have NumLock on. Turn it off and your keyboard will act as normal. Num Lock is normally in the top right of the keyboard and you will see its light on too. If you have comcast constant guard this is a bug in the program.
There should be a button labelled numlock, push this and it will toggle number pad on and off.
It is a source of light that generates its own light, doesnt reflect off anything else
turn the light off
Some keyboards have and don't have the Num Lock key. If there is then just press the Num Lock or NmLk key. Sometimes you have to hold the Fn button with the Num Lock key. If there is no Num Lock key on your keyboard then just follow these steps: START -> ALL PROGRAMS -> ACCESSORIES -> ACCESSIBILITY -> ON-SCREEN KEYBOARD -> NLK.