Keyboard Backlight not working.

On my Asus FX550VX I cannot turn on the keyboard backlight. The fn+F4 or the fn+F3 does not turn it on or off. fn+F3 opens the outlook mail and the fn+F4 opens my browser. How do I turn on the keyboard backlight?

Risposto! View the answer Anch'io ho questo problema

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How did you do this? smart gestures asked me if i wanted to extract my files. how do i do that


HI @ Chris Eve,

Here's the info from the webpage linked below in the Chosen Answer:


Drivers included in the list are for Notebooks or Laptops.

Most of the drivers are ZIP files. To install them, extract the content to a folder and look for the Setup.exe file.

If you get the message “Another version of this product is already installed…”, you need to uninstall the old version and then install the new one.

basically when you download the Smart gesture drivers to your laptop from the link and save them to a known folder location in your computer, use Windows Explorer to find the file.

The file is a compressed file which holds a lot of other files.

Click (or double click) on it. and you'll be asked if you want to extract all the files and it will give a location. If you're happy with the location for "all" the files" to be saved there click OK and all the files will be there.

Find the Setup.exe file (in the new saved location) and double click on it to install the Smart Gesture.

You may have to uninstall the old Smart Gesture (look in Programs and Features) if it won't allow you to install the new one.


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If you have Win 10 installed, try updating the ATK package and Smart Gesture drivers and see if this resolves the problem.

Be sure to update the ATK package first before the Smart Gesture drivers.

Here is a link to the latest Asus Win 10 drivers

Be aware of the Notes: near the top of the page in the link, regarding installation of the drivers. Also do not be tempted to update all the relevant drivers found on this link. It may confuse the issue if you run into problems. Work on one problem at a time. As the saying goes "If it ain't broke don't fix it"

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Thanks so much for this answer. It helped me a lot. I was trying to figure out why my light keyboard was not working anymore and i did not remember that i upgraded my windows 10.


Thank you!! :)


Worked - Thank you!


This worked amazing for me. Thank you!


You deserve a gold star jayeff. Such an easy fix, thank you.


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If you’ve turned off your touch pad using fn-f9, then use fn-f9 to toggle it back on momentarily.  Then, while the touchpad is momentarily active, try fn-f4 to brighten and fn-f3 to dim the backlight to desired level.  Once at the desired level you may opt to disable the touchpad again using fn-f9.  Bright and dim will continue to function as expected going forward until the next time your computer sleeps or re-boots.  Should bright and dim stop responding, simply repeat the fn-f9 toggle trick and you should be all set.

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Ben Pretorius sarà eternamente grato.
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