Question about Gateway M-6750 Notebook

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The backlight on my gateway m 6750 is out. i think it is the lidswitch but can't find it. can someone tell me where the switch is located on my laptop.thanks

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Hi,
The LCD screen displays is dark/ dim (faint display that can be seen in sunlight or torchlight) because there is no backlight.
There are two parts responsible for lighting the display. First is the CCFL (Cold Cathode Florecent Lamp), which is the back light and the second is the Inverter board, which provides high voltage to the CCFL. Either of the parts can be faulty or in some rare cases both. But most likely it is the CCFL (Lamp). Its life is limited and depending upon how long it has been in use, you can have a better idea - if its the CCFL or Inverter.
(You can check it by connecting you PC with some external display, which would work fine). (Hence, the board/ graphics processor is OK. In case the graphics processor fails, there is no display at all on the external monitor).
The LCD display switch in inside the modern laptop and its function is that it completely shuts down the display (no light as well as image).
So, my advice is that you check the LCD display for replacement of CCFL. I have found a general link about CCFL replacement. Click here for detailed and graphical DIY instructions about LCD disassembly.
Make sure you take proper precaution while working inside LCD, as the inverter generates a very high voltage.
IF YOU ARE NOT EXPERIENCED WITH WORKING INSIDE SUCH ELECTRONIC COMPONENTS, I SUGGEST THAT YOU SEEK PROFESSIONAL ASSISTANCE FROM AUTHORISED SERVICE/ REPAIR CENTER FOR REPLACEMENT OF CCFL OR INVERTER.

Hope it helps! Good Luck!
CreativeTECH

Posted on Mar 14, 2011

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Posted on Jan 02, 2017

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