Question about Gateway M-6750 Notebook

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My M6750 notebook monitor will not light up(it's

My Gateway M6750 notebook monitor will not light up(it's dark). I hooked up an external monitor and that works fine. How can I tell if this is a back light issue or an inverter issue?

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The fault could be a faulty inverter or a faulty CCFL lamp.
The inverter supplies high voltage to the CCFL lamp anf the CCFL lamp is a tint fluro lamp and it dims with age or fails like any fluro lamp.
You could test the voltage output of the inverter with a multi-meter or just replace it cost about $40 and the CCFL lamp cost about $10.
Check out LCD Parts for service, parts, and DIY info Use this link to their WEB site :-
www.lcdparts.net

Posted on Sep 28, 2009

Testimonial: "Quick response with sufficient data to attempt a repair. My notebook model is not in the tech data but similar ones wil do for now.Geekman, you rock! "

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Hi josue fernan...
You need to see if your laptop lcd screen is faulty and/or the lcd inverer is faulty.
1....Test the lcd screen:
Hook your laptop to an outside monitor and then start your laptop normally...if the picture on the external monitor is good, then your lcd screen is bad.
2....Backlight Faulty: If the monitor is still as dark like your lcd screen on the laptop then it could be the backlight that is faulty.
Please take time to rate me thumbs up
*****************************************************************************************************************
LCD Backlight and Screen Replacements:
http://www.laptopsman.info/0-Gateway-lcd-1.html

LCD Screen replacement:
http://www.screentekinc.com/Gateway_P-6860FX--17-inch--1440x900-wxgaplus-laptop-lcd-screen.shtml

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I have a Gateway M6750. I can power on the laptop and it goes thru the boot up to the desktop. I do not have any screen display. I have tried the FN keys with no solution. Any other...


Are you able to see a display if you plug in an external monitor? Remember that may have to use one of the fn functions (F8 on a lot of machines) to have it display on an external monitor.

Feb 28, 2011 | Computers & Internet

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Hi,

First: Make sure after you connected the external monitor to press a combination of key( Fn +[1-9: check for a small picture of LCD monitor] ). If after this no image is displayed on the external monitor then you may need to replace your motherboard. Some local computer shops may be able to fix it. The reason you are having this problem is because the video card is dead.

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Screen is too dark to see clearly


The display might have a bad inverter or back-light. Connect an external monitor to the VGA port output and see if you get an image.

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I have a Gateway 450ROG with very dim video on the display, I can hook up an external monitor and the video on the external monitor is fine but still very dimvideo on the monitor of the laptop. You can...


Hello !

Since an external monitor works, it is the display's backlight or inverter board.

If you were experiencing discoloration in the screen (pinkish lower light hues) before it failed, that would indicate a CCFL backlight issue. If the screen suddenly went dim on you rather than a slow degradation the inverter would be indicated.

In either case, a technician in your area should be able to help. Evaluate to see if the repair is cost-effective.

Hope this helps.

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Got gateway w340ua laptod with a dark screen i already change the lcd and the inverter and still is dark... any sugestion...also i can used with a external monitor no problem


The LCD connector cables are probably not plugged in properly. Since it works with an external display it cant be anything else. The connectors are inside the cable. If you are sure that the connectors are fine then you will probably have to replace the LCD inverter board. Hope that helps, Sai.

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hook it up to another monitor then control panel then display see i8f something was changed in there
otherwise your screen may have gone but it's only two years old
what were you doing when you lost your screen

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Yes your back light has failed inside the lcd. That can be replaced.

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