how to download acer aspire 4739z brightness drivers
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More aboutdrivers acer aspire 4739z
There is no such thing as a "Brightness Driver" once the video drivers are installed for the laptop that's it if the screen is too dark when using the keypad to up the brightness then the backlight or the screen is going bad.
drivers acer aspire 4739z
Just go to the Acer offcial website the go to drivers and search for the drivers of particular model. You will get it from there.