I recently bought a PSPY keyboard and I tried to turn on the light on the keyboard.

It connects to my Mac which runs 10.15 Catalina. I tried doing FN + ScrollLock, but it only brightened by laptop.

Do I have to go to setting and change the function or do I need to verify USB is working correctly on my portable Mac?

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  • Welcome to Ask Different. Have you checked with the keyboard manufacturer about this problem? That should be the first place to ask. – fsb Feb 14 at 15:49

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