Question about Acer TravelMate 5520 Notebook

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Backlight not working on acer travelmate 5520 lap top lap top is working ok but screen is very dark

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You have a choice: replace the backlight or replace the entire screen.

Posted on Apr 22, 2010

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You can buy the parts to fix these on Ebay. There are two components. 1 is the light source itself. (Very fragile)
The other component is the the power inverter for the light. Both have a history of going bad. They have to be removed to be tested. Probably better to replace both as a set.

Posted on Apr 22, 2010

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Hi, I have acer aspire 5520,2 Gb RAM... When I turn on my acer,everithing works just fine,exept monitor,it remains black,When I try ecternal monitor,it works fine,windows wors fine to,everithing but the...


Aspire 5520 has LCD Display. The screen displays becomes dark/ dim if 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. These parts are inside the LCD screen. Either of the parts may be faulty or in some rare cases both. Also, the video data cable may be loose or faulty, which can be identified only after opening the top cover.
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