Question about Compaq Presario CQ56-115DX Laptop

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Function keys not working (volume / brightness)

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Your key board has come unpluged take apart and plug back in

Posted on Apr 05, 2011

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My function key cannot control the brightness of my laptop


Are you pressing the 'Fn' key (usually blue lettering) to the left of the space bar before trying the function key for brightness?

Laptop function keys are either set to function as regular function keys or as system specific function keys, like volume and brightness control, when the system starts up. When you hold the Fn key, it makes that key do 'the other' function. These settings can be changed in the BIOS, of EFI settings. Though changing them is easy, you may want a semi-tech-savy friend to help the first time.

All the best to you,
KerryHos

Jan 27, 2014 | Samsung RV515 Laptop

1 Answer

Function keys are not working except for sleep mode - fn+esc


Hi!
You can control it. just go to your desktop."right click", choose the screen resolution. Look for the "display" and the "adjust brightness". Or you can work into it in control panel.

Jan 22, 2014 | Samsung US keyboard for RV510 RV508...

1 Answer

How to increase brightness without fn+f6 keys because for now the f6 key is not working


Press and hold the "Fn," or function, key on your EEE PC-1000's keyboard.


Press "F3" while holding "Fn" to lower the brightness on your monitor.

The brightness on your computer decreases each time "F3" is pressed.


Press "F4" while holding "Fn" to increase the brightness on your monitor.

Each time "F4" is pressed, the brightness increases.


Press "F8" while holding "Fn" to decrease the volume from your EEE PC's speakers.

Each time "F8" is pressed, the volume decreases.


Press "F9" while holding "Fn" to increase the volume from your EEE PC's speakers.

Each time "F9" is pressed, the volume increases.


Press the "Ins" key while holding "Fn" to take a screen shot, or make a copy of what is currently on the computer screen.


hope this helps

Oct 08, 2012 | ASUS EeePC1000 1000H 1000HA 1000HC 1000HD...

1 Answer

My function keys of hp probook 4420s is not working


You have to Press and Hold the FN function key at the lower left portion of your keyboard then hit the volume or brightness keys. Notice that the volume and brightness keys are the same color as the FN function key. That means you have to press and hold the FN key while you hit the volume or brightness key.

May 27, 2012 | HEWLETT-PACKARD HP ProBook 4420s Notebook...

1 Answer

Fn key use for laptop


if u see functions keys in ur key board, u can find symbols like increase volume etc,just u need to press fn and press above function keys
Turn the laptop's internal Speaker volume up and down
Mute the laptop's internal speaker
Increase or decrease the monitor brightness or contrast
Activate an external monitor for giving a presentation
Activate Stand By mode

Apr 15, 2012 | LG Computers & Internet

1 Answer

My optiquest Q19wb monitor has the contrast/brightness option disabled in the menu..I am using it as my secondary monitor..OS used is win7


Try unlocking it:
http://www.fixya.com/support/r4628438-aoc_monitor_lock_unlock_instructions

1) Press the MENU-button ( ) to activate the OSD window.

2) Press or to navigate through the functions. Once the desired function is highlighted, press the MENU-button to
activate sub-menu . Once the desired function is highlighted, press MENU-button to activate it.

3) Press or to change the settings of the selected function. Press or to select another function in sub-menu .
Press AUTO( ) to exit . If you want to adjust any other function, repeat steps 2-3.

4) OSD Lock Function: To lock the OSD, press and hold the MENU button while the monitor is off and then press power
button to turn the monitor on. To un-lock the OSD - press and hold the MENU button while the monitor is off and then
press power button to turn the monitor on.

5) Eco Mode hot key ( ) : Press the Eco key continuously to select the Eco mode of brightness when there is no OSD (
Eco mode hot key may not be available in all models).

6) Volume adjustment hot key : When there is no OSD , press Volume ( ) to active volume adjustment bar, press or
to adjust volume ( Only for the models with speakers).

Apr 16, 2011 | ViewSonic Optiquest Q19wb LCD Monitor

2 Answers

What is the fn key


The fn key is the function key. I am sure that helps a ton. The fn key works like a shift key, changing the buttons marked fn, like volume, screen brightness, etc. The use is that you press and hold the function key, and press teh function button and then release both.
Common uses are to turn off the mousepad, while typing, and to set screen brightness while under battery....

Mar 14, 2011 | IBM ThinkPad T42 Notebook

1 Answer

Vaio pcg-k23 - function keys for volume( i.e volume +/- mute) and brightness (-/+) doesn't work. Win XP , plus the drivers from sony support website is newly installed and everything seems to work normal...


Please follow the steps as mentioned the article this should resolve the issue,


http://www.kb.sony.com/selfservice/documentLink.do?externalId=C259852

Nov 24, 2010 | Sony VAIO PCG-K23 Notebook

1 Answer

Want to know how to lighten up the screen. need an instruction manual


These are the Function keys



<Fn> + <↑> Volume up Increases the sound volume.

<Fn> + <↓> Volume down Decreases the sound volume.

<Fn> + <→> Brightness up Increases the screen brightness.
<Fn> + <←> Brightness down Decreases the screen brightness.

Nov 09, 2010 | Acer Aspire 5100 Notebook

1 Answer

Compaq 510 function key not working in xp


Volume control are not working? Do you forget to install sound drive?
dell latitude d620 battery

Apr 29, 2010 | HP Compaq Evo Notebook N410c

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