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Those four keyboard keys are used to interact with video games in lieu of arrow keys or a video game controller. Pressing FN+F9 and FN+F10 decreases/increases the backlight on the keyboard.
Sorry, there was a problem. Please try again later.You can disable the keyboard backlight with FN + F9. Here is the Acer article: https://us.answers.acer.com/app/answers/detail/a_id/34903/~/enable%2Fdisable-keyboard-backlight-on-nitro-notebook The 4 keys lit up more brightly are ASWD. This is because they are the standard movement keys (forward/back/left/right) when gaming.
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