Question about Acer NSK8458AN Keyboard

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Function Keys One of our teachers has an Acer laptop and the only keys working are the blue function keys. We have tried several things and nothing is working. Thanks you for any and all help, Mrs. Pierson

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Hi there

you have lock the the number on the keypad to remove this function as caps on caps off simply press fn and key F11/numLK same time and it will return to normal letter function on your keypad

Posted on Jun 26, 2008

  • mailafsal Sep 14, 2011

    thanz it was useful for me

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Brighten lcd screen


OK, you are part right. The Fn key on most laptops is written in BLUE. This corresponds to the BLUE legends on various keys on the keyboard. MOST laptops have a pair of generic symbols for the screen brightness up and down . The brightness UP is a blue square (rectangle) with a large asterisk inside. The brightness DOWN is the same except it has a small asterisk inside. You will usually find these two keys as a secondary function of a function key.

Example: On my ACER netbook Fn+F6 = brightness UP and Fn+F5 = brightness DOWN

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How do I activate the green character keys on my ACER Aspire E1-522? Nothing seems to work. Do I need special software?


I don't see any green characters, only blue. No matter what the color, use the keys in tandem with the Fn key. Press the Fn key then the key with the blue character kay to access that function.

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Acer Aspire 7745G enable fn key


If you want to use blue print Fn key, just press and hold it with any other key that also has blue print in it. Fn key is locaded bottom left of the keyboard. Second one from the left to be exact.

If you want to use Function keys F1, F2 and so on. You should not press Fn key which will change Function keys to function differently.

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Hiya,its an acer aspire 4810t laptop.the f3 button has a bluetooth icon on it,but still unsure how to turn on.thanks


You are looking for one of my favorite keys...the "fn" (or function) key. Juust left of the windows key (under your left palm) is the fn key. Pressing this key at the same time as a key with the F3 key will toggle your bluetooth on and off. In fact, the fn key will toggle several keys if they have a blue icon printed under the main number.

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Where is the number lock key on the dell inspiron im5030


there is a large hole in the keypad user manual for the keypad on your laptop almost as if there is no number lock installed
the closest that I can get on the net is that the function key adds extra keys to the board
however with out a board to practice on that is not much use
next suggestion is to take the laptop to a dell service agent( maybe a shop that retails dell products ) and see if there is anyone there with information on the keyboard that can show you how to get the number lock to operate
It has to be on the board probably in the layers of the function key and with help it will be revealed
on a normal board the number lock has a small square box with 1in it
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Aspire 9420 function keys not working


Are you talking about the colored icons on the function keys such as the wireless, the brightness of the screen and the volume of speakers? If so, you have to Press and Hold the FN Function key at the lower left portion of the keyboard then hit the function key that you want.

Notice that the color of the FN key matches the color of the function you want on the function key. Anytime you see that, you have to Press and Hold the FN key.

Some systems might have the task with a square around it on the function key. In that case you would Press and Hold the key at the lower left portion of the keyboard that has the square on it.

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How to unmute the machine - no sound at all


Usually the sound on the OS is directly tied into the physical sound controls on the laptop.
Most new laptops now-a-days have keys called FUNCTION keys which are usually represented by light blue icons on other keys.

Look for the FUNCTION keys associated with the sound (think speakers, +/- etc)
You should find some keys somewhere (usually number keys) that have these blue icons,
you should also find 1 or 2 FN keys (usually near the left CTRL/ALT keys)

Hold down the FN key and press the MUTE key or the + key several times.

Still nothing? Try changing the volume in windows (double click the speaker icon in the system tray, no speaker icon? is it hidden? expand the system tray by press the little area inside of it.)

STILL nothing? Make sure your sound device is working properly.
Easiest way to check this is (VISTA/7) click START and type in Device Manager, (XP right-click MY COMPUTER, then PROPERTIES, then the HARDWARE tab then DEVICE MANAGER button)

Sound controllers has it's own section, if your sound card has an icon next to it try reinstalling the device drivers and rebooting.

STTTIIILLLL nothing? Speakers may be broke or even a BIOS setting (complicated)

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Try holding down the function key and hitting the numlock or scroll lock key, this is usually how you engage or disengage the laptops function keys on the keyboard. Most laptops have a light that will turn on and off when you do this, indicating that the function keys are in use.

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Hey, I've just been having this problem. Try pressing CTRL + SHIFT + FN all at the same time. I found out that I had to press them once to turn on the green keys, and then press them twice more to turn it off. I hope that works for you.

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That means that you turned on the numlock on the laptop keyboard, On an acer if im not mistaken you have to press one of the function keys to deactivate it. Look for the icon with NUM on it and press it. if that does not work you may have to press FN then that icon.

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