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HP ENVY x360 Laptop - 13-ay0021nf

Hello,
I replaced the SSD of my HP ENVY x360 Laptop - 13-ay0021nf that was broken by a new one.
I reinstalled Windows but I lost the use of a special key (cf. picture) that allowed to adjust the speed, and therefore the noise! , of the fan.
I guess it’s an HP utility to reinstall, but I can’t find it. Anybody knows ??

 

hp-envy-8.jpg

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