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Compaq v2000 function key not working?

My compaq v2000 function key seems to be not working.Pressing Fn F8/F7 to control brightness -not working but can alter screen brightness through control panel. Also scroll/number lock light not working. Keypad works fine in my compaq v5000 and swapping keyboards makes no difference as same problems persists. Could this be a motherboard problem as have recently had replacement motherboard fitted to v2000 and has only materialised since.

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  • noswad3 May 09, 2008

    Confirmed my suspicions. Many thanks.



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To check system board, connect external keyboard and see if all keys function normally. If the external works OK, check connections on laptop keyboard, making sure contacts are clean and fully seated in the ZIF socket If the external fails to function properly it is the system board. LINK check page 66 of 238

Posted on May 08, 2008


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My 2 year old granddaughter tuned down the brightness on my Dell latitude e5400 and now I can not see to turn it back up please help

Pressing and holding the function key (abbreviated as "Fn") and pressing the up, or down arrow keys increases and decreases the brightness. You can also press Fn and F1 and F2 or F7 and F8 to increase and decrease the brightness. Immediate results should be seen on the screen making your screen darker or brighter.

Aug 09, 2016 | Dell Computers & Internet

1 Answer

How do I adjust the screen brightness?


Press and hold fn button on your keyboard, then press F7 to decrease brightness and F8 to increase brightness. That is Fn + F7 or F8.

If F7 or F8 doesn't work try F6 or F9.

Or you can just start from F1 to F9. One of these buttons certainly would work.


Apr 19, 2011 | Compaq Presario Notebook

1 Answer

My monitor is very dark, where do I find the control for brightness

  • Press on the "Fn," or function, key. It is located in the bottom-left corner of the keyboard, typically next to the "Ctrl," or control, key. Do not depress it.

  • 2

    Press on the "F8" key, which is located in the middle of the Presario's top-most row of keys. You should now be holding down the two keys simultaneously. Small illustrations of a sun and half moon often accompany the F keys allowing you to adjust screen brightness.

  • 3

    Monitor the progress bar that appears on your screen as the brightness increases.

  • 4

    Release the two keys once you have achieved the desired brightness.

  • Mar 07, 2011 | HP Compaq Presario V2000 Notebook

    2 Answers

    How do I adjust the brightness on my laptop? Its a Compaq Presario V2140US

    1. Press down the Fn key at the lower left end of your Compaq Presario keyboard. Keep the button held down and tap the F7 key to decrease the screen brightness by one step.

    2. Tap the F7 key again with the Fn key still depressed to further decrease the brightness by one step. Continue hitting the F7 key until you reach the minimum LCD screen brightness.

    3. Hold down the Fn key and tap the F8 key to increase the Presario's LCD screen brightness by one step. Keep pressing the F8 key until you reach the maximum brightness for your screen

    Mar 01, 2011 | Microsoft Compaq Presario C501nr Notebook

    1 Answer

    How do i change the brightness of the screen on a c0mpaq nc4200

    When the notebook is operating in Windows desktop, hold the function (fn ) key down while pressing the f7 and f8 keys to increase or decrease the brightness of the display and more details visit the below link

    Jan 26, 2011 | HP Compaq nc4200 Notebook

    1 Answer

    Can't locate button to control screen screen is a little dark.

    Brightness is controlled by a couple of the function keys along the top row of your keyboard. Compaq's support page for this model is here, where you can find manuals, drivers and other information. Hold down the Fn key and the F7 key to lower screen brightness. Fn and F8 raise the brightness. If you look at those keys, you'll see they have a little icon of a sun and up and down arrows on them.

    Thanks for using Fixya!

    Nov 18, 2010 | Compaq CQ60-215DX Notebook

    1 Answer

    My laptop is hp540 don't work brightness key F7and F8

    Try holding down the Function key that is marked in blue letters -> "fn" while pressing F7 or F8

    Aug 27, 2010 | Computers & Internet

    1 Answer

    How do i make my screen brighter on presario v2000

    Decrease Brightness (fn+f7) The fn+f7 hotkey decreases the brightness of the notebook screen. The longer you hold down the fn+f7 hotkey, the more the screen dims. Decreasing screen brightness conserves power. » To increase screen brightness, press the fn+f8 hotkey.

    Increase Brightness (fn+f8) The fn+f8 hotkey increases the brightness of the notebook screen. The longer you hold down the fn+f8 hotkey, the more the screen brightens. » To decrease screen brightness, press the fn+f7 hotkey.

    Nov 03, 2009 | HP Compaq Presario V2000 Notebook

    1 Answer

    My keys (HP-540) for contrast,brightness are not

    Are you holding down your function key while pressing those corresponding keys?

    You should see a key labeled "Fn" "F" or similar. It may also be labeled Mode.

    It is generally "Fn" and blue.

    Press and hold this key, and then press the F7 or F8 key repeatedly to adjust.

    Hope this helps
    Let us know

    Apr 16, 2009 | HP Compaq Presario F750US

    1 Answer

    Light off on screen. Someone dimmed the light.

    Compaq says to DECREASE the screen brightness for your specific model, use the fn key in combination with the F7 key (basically, hold down the fn key and press and release the F7 key). That most likely means that the Function key to INCREASE the screen brightness is usually on one side or the other (F6 or F8). Also, look for what the other User suggested; the function key should have a picture of a sun or sunburst. Hope this helps.
    Keith Stoffer
    Comptia A+ Certified Technician (20+ years)

    Oct 29, 2008 | HP Compaq Presario V2000 Notebook

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