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Dell Inspiron n5050 screen backlight not working

Posted by Anonymous on


6 Suggested Answers


6ya staff

  • 2 Answers


Hi there,
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Posted on Jan 02, 2017



  • 49 Answers

SOURCE: Dark area on left side of screen of Dell Inspiron 1525

Do you have the CD's That originally Came with the Laptop? If so, put that in before you start your computer and boot from cd. While your computer is starting up it should say "Press any key to boot from cd" Press a key to load the Cd Diagnostics Program.

If not, go to - Click on Drivers - It will ask you for the "Express Service Code" of your laptop, which is marked on a label on the bottom of your laptop. Here you can download the Diagnostic tools (found on the cd) in the case you do not still have the cd.

Run the entire set of diagnostic tools. (They are very intuitive and easy to run) If they come back with a specific error code, you will know what the problem is.

You can then contact dell with the code & or the symptoms you are having at their number 1-800-624-9896 which is 24/7.

The problem could be a handful of things.
1) There is a plug underneath the laptop keyboard that may have came loose which can cause the dim image.
2)The graphics card has become dislodged & or overheated
3) The cord between the motherboard & Screen has become frayed.
4) The Backlight (lights right behind the LCD screen have gone out on the 1/3 of the screen) This scenario is only the cost of the lights and labor to replace them.

Tech Support will be able to narrow this down for you completely. If you do this on your own without them, you can void your warranty, in the case you have one.

Posted on Mar 13, 2009



  • 4338 Answers

SOURCE: where is the LCD backlight inverter on an Inspiron

The inverter is in the LCD, below the actual screen. It controls the brightness and the contrast on the laptop. Here is a link where I purchase them:

It is easy to replace. Here is a link that will guide you:

I’m happy to assist further over the phone at

Posted on Apr 21, 2009


  • 244 Answers

SOURCE: dell inspiron 5160 labtop backlight


It seems to me the inverter is busted. That is why the backlight just went out. If you are still covered by your warranty Dell technical support will replace the inverter and i believe they will also include the LCD kit.

Hope this helps

Posted on Jan 16, 2010


  • 8909 Answers

SOURCE: hi. i have dell inspiron

The invertor or ballast unit is usually fitted at the base of the screen. Taking the front bezel of will reveal it.
Hope this helps.

Posted on Oct 23, 2010

SOURCE: take apart

Get some cups and label them with the screws that you remove from the laptop. Start removing screws from the bottom of the laptop. A digital camera would be handy to take pictures of things before you remove them.

Posted on Apr 21, 2012

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