asus laptop backlight not working on battery

Mar 20, 2020
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hi. i have asus rog g531gt its a good laptop but have many little problems.
my problem is when i use my laptop on battery my backlight turns off on red LED after 1 minutes and then when i press any button on my laptop to turn it on my backlight lose its effects (red LED) and change to rainbow effect (all rgb colors) on aura (asus keyboard effects app) and its my problem can anyone helps me?
 

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