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Dell latitude 5490: wifi, brightness, gestures (Catalina+OpenCore)


Carbon_100

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Yes, the files I attached will work on Big Sur without issue.

So according to the IOReg file, the I2C is not loaded so it makes sense why your mouse buttons are working.

The touchpad and mouse works as PS2 only. Disable SSDT-TPDX.aml and VoodooI2C* will restore them for you. 

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