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Backlight in monitor not working

I have acer aspire 5920 and it has been working fine however this morning the light on monitor is not working it is still functioning however is dark why is this? and how do i fix it?

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Try to press fn + any function key that has the sun logo or to bright your monitor.
if that doesn't work bring your laptop at the service center because the lcd is having a problem

Posted on Apr 10, 2008

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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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To check whether the LCD screen itself if the issue or the backlight or inverter. You have to carefully look in the screen and see if you see anything on it. It would be extremely dim but try white background and black screen. If you see something in it, then most probably it's either the backlight or the inverter. For that you need to buy those from the market and install it, OR IF YOU ARE NOT A TECH GENIUS I WOULD RECOMMEND YOU TAKE IT TO A DEALER IF ITS IN WARRANTY TAKE IT TO ACER THEY SHOULD FIX IT FOR FREE.(I dont know the rules of Acer, but most companies fix that for free)

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Good Morning: I have an Acer Aspire 5920


Hello,

As by your description, the FN F7 key combo did not solve the problem. Please restart the machine , press F8 then select from the list "Safe mode" then press enter. Then see how the Touch pad reacts in Safe mode. If it works perfectly in safe mode, we can assume you have a software problem that is preventing it from working in normal windows mode.

Please download and install the latest BIOS for your machine. The E525 has a issue where the TP just stops working, upgrading the BIOS solves the issue on the E525...
Acer Aspire 5920 3813 BIOS

Please install one of these drivers for the desired Operating system...

Acer Synaptics Device Driver Windows XP
Acer Synaptics Device Driver Windows Vista
Acer Synaptics Device Driver Windows 7

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it must b some problem with the RAM......get the ram changed ...den it will work fine

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The power button may not work, that is most common in laptops, or you have a short.

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1 Answer

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Hi,

Acer aspire has inbuilt web camera and therefore will work only if the correct drivers are installed. Please uninstall the drivers first from control/panel/add remove programs. Next reboot the system and then go ahead with the installation.

http://www.laptops-drivers.com/acer-notebooks/download-drivers-acer-aspire-5920-notebooks.html

Thank You for using Fixya.com

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