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Was cleaning key board now monitor is dark.. must have pushed keys to make it do that can u help

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Check out your F keys (I think on eMachines it's Fn+F4 key to switch from LCD to external screen), but it toggles so just apply the same key combination a second time to revert the setting.
In the future I would suggest cleaning when unit is powered off (to prevent short-circuits and unwitting key combinations).

Posted on Jan 01, 2011

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Monitor does not light up at all.


Did she spill something on it? Have you tried to make sure it's not an issue with your bright and dark buttons or keys on the keyboard?

Shine a flashlight on the dark screen to see if you barely see the icons on the desktop. If so, then the LCD Inverter is bad.

Plug in an external monitor and see if the display shows up on it. It can be any kind of monitor even the old big fat crt monitors as long as it has a vga cable to connect to your computer's vga port. If so that proves your video card is ok. The video will show on most systems when you reboot without you having to do anything. Some systems will require you to hit the FN (Function key) + F1 thru F12. Hold down the FN key then hit the correct key for displaying on the monitor (F1 thru F12). The correct key will normally have CRT/LCD on it or it will have the icon of a display.

If you see no icons by shinning a flash light and the external monitor works, then your screen is bad. If you see no icons by shinning the flash light and nothing shows on the external monitor, then most likely your video card is bad.

May 08, 2012 | Gateway 400SD4 Notebook

1 Answer

Dark picture on monitor


Occasionally, you may find your laptop's monitor is too dim for your liking. A normal desktop computer's monitor has an on-board menu system that lets you adjust the brightness and picture control settings as you please. A laptop monitor has no such controls. You can adjust the brightness of your laptop monitor using your laptop's keyboard.

1. Press and hold the "FN" key on your laptop's keyboard. This is the "Function" key, which operates much the same way that the "Shift" key does: It allows keyboard buttons to be used for multiple purposes. It's located in the lower left corner of most laptop keyboards, next to the "Windows," "CTRL" and "ALT" keys.

2. Look at the top row of keys on your keyboard for a key with a tiny triangle pointing upwards and the symbol of a sun on it. This is the "Increase Brightness" key. With the "FN" key held down, press the "Increase Brightness" key. On most laptop keyboards this is the "F7" key, but it varies depending on the model.

3. Continue to hold down the "FN" and "Increase Brightness" key until your dim laptop monitor has reached the level of brightness you require. A laptop monitor can only get so bright. It will stop at its highest setting.
4. Release the "FN" and "Increase Brightness" keys. You have now fixed your dim laptop monitor.

I hope you find it very helpful. Thank you for using fixya

Aug 17, 2011 | Acer Aspire 5610-2089 Notebook PC (ACER...

1 Answer

My screen went completly dark and when i took it to a repair place they said it was a bad mother board, thing is the lap to cuts on just fine but the screen is completly blank! HELP PLEASE


Try this, it may help.
There should be a Blue lettered function button on the lower left hand side of the keyboard (hard to see unless you are in a well lit room) .
Along the top row of keys, F1 through F12 there will be an equally hard to see blue graphic symbol depicting a laptop monitor and something that is supposed to represent a separate desktop monitor.
WHILE THE MACHINE IS UP AND RUNNING HOLD DOWN THE FUNCTION KEY AND PUSH THAT "MONITOR" KEY. THE SCREEN MAY POSSIBLY COME ALIVE. This one has stumped the experts before.
Worth a try.
Hope this helps,
Best, Mark

Dec 30, 2010 | Toshiba Satellite L500 Series Notebook

1 Answer

Acer travelmate 5510 and the screen needs to be lighter - people say to me how dark it is! Don`t know which of the buttons to push.


Press Fn key next to CTRL key and use the left and right arrows to make screen dimmer and brighter whole still holding the Fn key down. :)

Jul 08, 2010 | Acer AL1715 17" LCD Monitor

2 Answers

Raymarine E120, after 4h on display went dark in


blubaju, probably cold-cathode-fluorescent-lamp backlight failure! if unit dosen't have electro-luminescent style backlighting. All LCD panels require WHITE light to see what is on the screen!!! Is same common problem that computer (pc) lcd monitors suffer from!!! I suspect that if your unit has CCFL's, that the SMPS power supply or CCFlamp INVERTER circuit has a problem common to ALL LCD monitors. I should think that any BIG TIME tv/monitor repair shop could examine the printed circuit boards and effect a repair for you! Just mention that you think it suffers from the BLACK SCREEN of DEATH syndrome!!! Also mention that to RAYMARINE!!! when you call them and **** them out!! 12fixlouie .5hr nrth/wst of Windy City Rate this on fixya if this msg helpful??

Nov 16, 2009 | Raymarine M1500 15 in. Flat Panel LCD...

1 Answer

THE SCREEN IS NOT WORKING,BUT YOU CAN SEE VERY DARK ON THE SCREEN THAT THE COMPUTER IS WORKING, I TRIED TO CONECT A EXTERNAL MONITOR, BUT IS NOT WORKING, DO I NEED TO PUSH SOMETHING, AFTER CONECT THE...


Your keyboard has a special "Function key" (printed in blue). It is probably on the lower-left, next to the special Windows key or control key.
You also have several keys along the top row, also blue.
Hold the blue [Fn] and press the upper key that resembles a monitor. Release the two keys and wait a few seconds. If the monitor does not come on, wait a few more seconds, the press the two blue keys again. It will work.
By the way, the fluorescent lamp that creates the "backlight" for your laptop screen has burned out or the cable may be loose.

Oct 05, 2009 | Computers & Internet

1 Answer

My screen is dark and i've changed the inverter and this has made no difference. I tried the screen brightness function. An external monitor attached works fine. There must be a switch that turns the...


Look at your key board and you should see a monitor simble.
Most of the time, you will need to push the function key and the ?? maybe F-4 key at the same time.

Oct 05, 2009 | Computers & Internet

2 Answers

Power light goes out but power remains thru the m-board fan runs


you need to replace the power supply. The fan sound is the fan for the power supply and not the computer. for cheap parts or used goto headgap's. They know what you need and probably even help you replace it yourself.

Jul 03, 2009 | Computers & Internet

2 Answers

Monitor too dark....


inverter board bad. this runs your lcd lamp(s) but is not in the screen.

Oct 02, 2008 | ViewSonic VA702b 17" LCD Monitor

1 Answer

Laptop screen dark


Most laptops have a function key that allows you to use special color coded operations. Usually these are in blue on the keyboard. Look for on that shows a picture of two monitors side by side. One will have a sun in it. Try pressing and holding the function key and then tapping this two monitor key. This option is suppose to allow you to activate a second monitor or a projector for presentations.

Mar 19, 2008 | Compaq Presario R3000 Notebook

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