Question about HP Compaq nc6400 Notebook

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I have an HP nc6400 laptop that the screen went very dim and I can only see it faintly I tried the fn f10 but nothing changes. Is there any other setting that might need changed?

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Use the f11 function key to disable the ambient light sensor and you will have a nice bright display and the f9 & f10 function keys will work fine.

Posted on Mar 01, 2012

  • Ikhlaq ali May 25, 2012

    Did this work? I need to know as i have this same problem

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This happens when the cable that gives diplay to the screen become loose or start malfunctioning, just take your laptop to the techician and get it done by him

Posted on Sep 25, 2009

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1 Answer

The palm of my hand accidentally hit a button on my laptop, and all of a sudden my screen went dim..I thought it must of just hit the brightness buttons on my keyboard but when I went to go turn it back up...


Do you mean 'dim' or 'black'? If it's black you might try one of the the hotkey combinations of holding Fn + F1, or F2, F3, F4, etc. They do various things depending on the computer make. It will probably tell you in your computer manual.

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Monitor to bright


Decreasing Screen Brightness (FN+F9)
Press and hold the FN key, then hit the F9 key to decrease screen brightness.

Increasing Screen Brightness (FN+F10)
Press and hold the FN key, then hit the F10 key to increase screen brightness.

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I have a advent m201 laptop . how do i turn the built in webcam on please


Hello,

Try this

Function Keys Fn+F1 - Places the computer into sleep mode
Fn+F2 - Changes the (I-Powerxross) power settings
Fn+F3 - Switches display modes: LCD only, External monitor only, LCD+External Monitor
Fn+F4 - Turns Wireless LAN on/off
Fn+F5 - Switches OSD (on screen display) on/off
Fn+F6 - Turns the Touchpad on/off
Fn+F7 - Turns the Webcam on/off
Fn+F8 - Mute Sound
Fn+F9 - Reduces speaker volume
Fn+F10 - Increases speaker volume
Fn+F11 - Reduces the screen brightness
Fn+F12 - Increases the screen brightness
Fn+Esc - Toggles Bluetooth & 3G on/off (optional)

Thanks

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Fn toggles (fn/f9 and fn/f10) don't work


the fn screen brighter/dimmer toggles (fn/f9 and fn/f10) don't work

Dec 16, 2009 | HP Configurable - HP EliteBook 2530p...

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Hp pavilion dv6810us -- the screen went blank suddenly (no hint of a problem) and can't get it back to normal. I've forced shut off and turned back on (4 times over two days)...still black screen. All...


if it was the video card ...it will appear something on screen like Bios...when accessed..and affect only the installation ...I suspect the lcd connection
so...assuming is nothing inside...take a look on this tutorial
http://www.laptop-repair.info/laptop_screen_repair.html

Nov 09, 2009 | HP Pavilion dv6810US Notebook

2 Answers

The laptop turns on, but the screen stays black


If you can shine a light into the screen and faintly make out the images? Then it's probably the inverter/backlight board, not too expensive or difficult to replace in most cases. Let us know.

Jul 17, 2009 | Gateway MX6912 Notebook

1 Answer

Compaq NC6400 Turns on but will not display anything on screen.


hi thanks for using fixya!

I recommend that you bring your laptop to a service center to further check the hard ware of your laptop.

Best Regards!

Apr 12, 2009 | HP Compaq nc6400 Notebook

1 Answer

Hp laptop 9720us screen wont brighten or dim. last week my screen went blank brought it to a shop they changed the inverter and also some cable connection . works fine just not quite as bright as before ....


You got the wrong inverter fitted - i'm sure your unit requires a sinle lamp inverter and they have cheated - putting in a generic lamp inverter and branching togeather the wires to accomodate the single plug thus reducing the available volatage for the lamps - this is why it's dim - correct part is 431391-001 Display panel power inverter - For use with single lamp display panel

Mar 10, 2009 | HP Pavilion DV9720US Notebook

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Screen dims on the HP Compac nc6400 when on battery.


Hello Artemis,

My name is ArmyMason and I think I can help you with this. Their is two different ways of getting around this issue. One is turning up the back light via your keyboard. Their should be a blue picture of a sun with an arrow pointing up, mine is on the F10 key. Hold down the FN key and tap the up sun key until you get the desired brightness. The other solution is take the computer out of laptop mode. You can do this by right clicking on your desktop and choose properties. Click the Screen saver tab and then click the Power Button. Change the power scheme to Home/Office Desk and click Apply. Now when you are on battery power your computer sceen shouldn't dim and your processor should also run at full speed if you choosed to do the second option.

Thanks,
ArmyMason

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1 Answer

Dark screen


this is due to malfunctioning of the cable sending signal to the display panel replace the cable this problem will be solved

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