fn+arrow up/down doesn't change keyboard brightness on fa506qm

[Amir_fani]

System: asus tuf a15
Battery or AC: both
Model: fa606qm
Frequency of occurrence:
Reset OS: yes
Screenshot or video:
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Detailed description：

[Amir_fani]

fn+arrow up/down doesn't change keyboard brightness on fa506qm and my serial number in myasus app is wrong.
All of this happend after I updated my bios via windows.
I can change lighting affects with fn+right/left but I can't control the brightness.

[Falcon_ASUS]

Amir_fani

fn+arrow up/down doesn't change keyboard brightness on fa506qm and my serial number in myasus app is wrong.

All of this happend after I updated my bios via windows.

I can change lighting affects with fn+right/left but I can't control the brightness.

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@Amir_fani
I have sent you a message, please provide your laptop serial number through the message for further confirmation. Sorry for any inconvenience it may be caused. 

[Mr_Crowley1875]

Hi Falcon,

I have got exactly same issue. I tried everything I could to fix the problem but was unsuccessful. Could you help me with the problem?

[ZenBot]

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