Keyboard backlights of ACER A515-51G-59AT suddenly stopped working

Shuvosrs
Shuvosrs Member Posts: 8

Tinkerer

edited October 2023 in 2020 Archives
Hi, 
My laptop's keyboard (Acer A515-51G-59AT) has a backlight. But suddenly it stopped working, which I used to enable by pressing Fn+F9 key. I checked my keys are all okay and the backlights was working last night. I restarted my PC,  I can't figure it out it is a hardware problem or not! what should I do? 

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