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Guide to fix Synaptics on sierra 10.12.x.

RehabMan

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Tried this on my laptop (Synaptic trackpad), trackpad works as mouse, keyboard not working.
When I remove ApplePS2SmartTouchPad.kext, keyboard starts working fine (including brightness control and Fn key) but trackpad still works as mouse.

Using only ApplePS2SmartTouchPad.kext from the closed dev still doesn't bring full trackpad functionality, it still works as mouse (plus keyboard doesn't work either).

Attaching problem reporting files. Also tried using VoodooI2C (with different windows patches on my DSDT) none of them enabled trackpad features, it still works like a mouse. Attached debug when both smarttouch and voodoops2 are installed.
"Problem Reporting" files are incomplete.
Read FAQ, "Problem Reporting" again. Carefully. Attach all requested files/output.
https://www.tonymacx86.com/threads/faq-read-first-laptop-frequent-questions.164990/
Use the gen_debug.sh tool mentioned in the FAQ, that way it is less likely you'll omit something.
 
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Sorry for the clumsiness, I used the tool and here are the files. Hope they suffice.
 

Attachments

RehabMan

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Sorry for the clumsiness, I used the tool and here are the files. Hope they suffice.
Your kextcache proves that both VoodooPS2Controller.kext and ApplePS2SmartTouchPad.kext are installed.
You cannot combine these two kexts... Choose one or the other only.

Also, your ACPI has no object for a trackpad (no "PNP0F").
 

RehabMan

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Joined
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My BIOS is up-to-date (just checked).
Or perhaps your trackpad is not PS2.
I tried using VoodooI2C along with I2C-HID along with different Windows patches, yet the trackpad didn't work. Can I safely use VoodooI2C with VoodooPS2? (as keyboard functionality depends on it)
 
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Hay, I tried out VoodooI2C and it didn't work. The dev said my laptop doesn't have I2C trackpad as my IOREG or DSDT didn't show / write about I2C device like TPD0, ETPD or PNP0C50.

So my trackpad is indeed PS2, but seems to be unsupported by VoodooPS2. Is there any fix for this?
 

RehabMan

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Hay, I tried out VoodooI2C and it didn't work. The dev said my laptop doesn't have I2C trackpad as my IOREG or DSDT didn't show / write about I2C device like TPD0, ETPD or PNP0C50.

So my trackpad is indeed PS2, but seems to be unsupported by VoodooPS2. Is there any fix for this?
Check in Windows (Device Manager) to be certain you understand how your trackpad is connected.
 
Joined
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Motherboard
Acer Aspire E15 E5-572G-525V, (Clover)
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i5 4210M/H86
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HD4600/nVidia 940M, 1920x1080
Mobile Phone
Android
Here's what Device manager says, but I can't understand it well enough!
upload_2018-12-5_21-0-48.png

And here is what the Synaptics HID looks like
upload_2018-12-5_21-1-32.png


Any leads which I could follow?
 
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