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Dell 7480: ALPS Trackpad not working in Big Sur


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Hi,

I have Dell Latitude 7480 i7 7600U, Intel HD 620 Graphics

I have installed Big Sur 11.0.1 (20B29), bootloader OC 0.6.4 everything works except Sleep and "No Trackpad Found" on system preference.

Work 2 fingers up and down scroll, 2 fingers tap, 1 finger tap.

I use VoodoI2C, VodooI2CHID, VoodooPS2Controller.

 

Any suggestion for solutions?

Is trackpad detected on System Preference?

 

Thank you

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Thank you @Jake Lo and @Chicken07   Now trackpad is working with your help.   Changed my config based on your EFI and all is OK. 😀   Tap to Click : OK Two finger Scro

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I'm not a developer, so if you know how to port drivers from Linux, then give that a go. As I said, Alps I2C is not supported so no gestures.

You could try to research if you could replace the ALPS I2C with a Synaptics I2C touchpad since synaptics is supported.

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