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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. So,
my advice is that you get it properly checked by any professional for
replacement of Inverter or CCFL.
Hope it helps! Good Luck! Thanks for using Fixya! CreativeTECH
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 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.
is this a laptop? do you have an external monitor plugged in? do you have an external monitor to use? if it is a laptop then plug in an external monitor if it is not already plugged in, or if you already have one plugged in then unplug it.
This is often a problem with the backlight on the LCD panel. If you gently tap the side of the LCD does it flicker more? If it does, then there is a loose connection in the LCD panel, and you might be able to get a comptuer shop to fix it, but it usually is expensive. If you don't mind using the laptop as a desktop, then get an LCD monitor and a USB keyboard and mouse, and you can use it as a desktop.