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When i turn my notebook on, i cant see the monitor. It is too dim. Sometimes it is fine and sometimes it is not.....

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Failing backlight in the screen. Or, perhaps the VDU cable failing
Test on an external monitor to see if it works on that and this will eliminate any issues with your laptop graphics chip at least

Posted on Dec 30, 2010

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My laptop can on but sometime when i turn on the machine it goes dark and very dim can see the images but very hard..whats the problem graphic card?,or the lcd screen cable or the inverter or the screen...


What operating system are you using? On laptops there are settings for when your using battery power that dims the screen to conserve battery power. This could be the problem in your case.

Aug 05, 2010 | Acer TravelMate 3270-6569 Notebook

2 Answers

Dim backlight


you need to contact the manufacturer and ask to replace the backlight...

May 20, 2010 | Toshiba Satellite 15" Flat Panel LCD...

1 Answer

Screen sometimes lights up but mostly stays dim


You have a bad connection on the LCD ribbon, or a cracked LCD ribbon, or the Inverter is intermittently faulting, the backlight/circuit is faulting. It is hardly ever the switch....but it is under the end of the screen look for a tiny black stick.

Mar 02, 2010 | Acer 15.6'' Aspire AS5335-2238 Laptop PC...

1 Answer

Monitor is dim


Sounds like your inverter is failing. The inverter takes the dc power from the battery and charger and converts to high voltage AC current for the backlight lamp inside the screen. When the inverter starts to fail, the display will sometimes blink, dim out over time, flash just get dark and stay that way.

Sep 28, 2009 | Toshiba Satellite A215-S7422 Notebook

1 Answer

Connecting an external monitor to acer 5720


I have had this before with my Dell Latitude C540/640. I don't know the ACER 5720 but here's a couple possible fixes for you.

1. Press the function key ( "fn" key, generally a blue key or blue lettering and usually in the bottom left corner of your keyboard) and press F8 (may be a different key on your laptop, again, not familure with the acer. The key usually has either CRT/LCD printed on it, or two monitors on it, one its just an outline of a monitor and the other is filled in. This will run you laptop through the three monitor options it has. (LCD - LCD & External - Just External)

2. Try closing and opening the lid of your laptop. Sounds a bit strange but it works sometimes for me. My guess is when you close you screen it would "dim/turn off" the LCD and re-opening it convinces it to turn the screen back on.

Hope this helps!

-David-

Jan 09, 2009 | Acer Aspire 5720 Notebook

1 Answer

Monitor dims


Your monitor in hardware problem front panel keys short in side.change menu switch on boar.or command section problem.check ic or componets relate it.

Mar 03, 2008 | HP mx705 17" CRT Monitor

1 Answer

Monitor


Sounds like you may have a bug, you could try re-ionstalling everything fresh, it may need a driver update. Check the funtcion keys. Sometimes you can turn up the screen contrast by holding the function key and hiiting the function key that looks like a white and black sun, Black is for darkewer, white is for brighter.

Also, ost laptops when on battery power, will auto dim to save battery power.

Feb 27, 2008 | Dell Latitude C640 Notebook

2 Answers

Sony SDM HS93 works fine, but: Monitor will not turn on with power button, if I plug in A/C cord power light goes on, monitor works. Sometimes the monitor comes on too bright, other times, too dim....


i get same..controls not working ,,sometimes menu button works and one arrow button..button "ok" button doesnt work and up arrow...brightness not working.

i get black box in upper left corner...quite diffucult to get rid of.


G
iamthehipster@yahoo.com

Feb 25, 2008 | Sony SDM HS93 19" LCD Monitor

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