Razer Synapse blocks "FN key functionality" (razer blackwidow v3 mini hyperspeed) | Razer Insider
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Writing to help anyone facing this issue

I had issue where suddenly FN key stopped working and I wasn't able to use all FN functionalities on blackwidow v3 mini hyperspeed. After checking BIOS, reinstalling device drivers or checking for any custom profiles/bindings on the keyboard, none of them worked.
Found that FN key stops working when Razer Synapse starts. Anytime I kill the Razer Synapse app, the FN key starts working properly.

Solution: Completely reinstalling Razer Synapse and other Razer software's fixed the issue for me
secretheadJade220
Writing to help anyone facing this issue

I had issue where suddenly FN key stopped working and I wasn't able to use all FN functionalities on blackwidow v3 mini hyperspeed. After checking BIOS, reinstalling device drivers or checking for any custom profiles/bindings on the keyboard, none of them worked.
Found that FN key stops working when Razer Synapse starts. Anytime I kill the Razer Synapse app, the FN key starts working properly.

Solution: Completely reinstalling Razer Synapse and other Razer software's fixed the issue for me


Thanks for sharing your concern and its solution on our Synapse board. Should you need additional assistance, please send me a ping or submit a case to our Support Team through this link.
same here.
How to perform a clean re-installation of Razer Synapse 3 & 2.0 on Windows
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