The fingerprint reader seems to be missing from Windows on my Minibook. There is no biometric device and one unknown device in device manager:
I tried installing the fingerprint drivers (from here Chuwi Minibook 8100y finger print sensor) for that unknown device with no success.
Has anyone seen this before? I already tried a windows reinstall. I’m on Windows 10 1909 build 18363.1082.
It’s a known bug that with the recent Windows10 update (type 2004) the sensor did disappear and won’t work. Welcome to the club 
Chuwi won’t fix it, and most likely Microsoft doesn’t even know anything about this issue.
No solution is known yet…
I think it’s a hardware defect/bug with minibooks with EMCC installed. The fingerprint works fine on 8100y+8gb version with windows 2004.
Yep. The same things. On my book 8100/16GB all updates is installed. And Fp working without any problems.
2 Zenbob
Open your windows updates manager, and find “Optional updates”
Open it - and install all requirement drivers.
Did you see two unknown devices after reinstalling windows?
If so, one of them is the fingerprint.
How did you install the driver? Perhaps you didn’t install it properly.
I was able to solve this problem, though I don’t understand what the root cause was. Something (maybe a bios update?) caused the hardware id of my fingerprint reader to change. The Unknown Device that showed up in device manager had a Hardware Id of ACPI\FTE4800:
If you look at ftwbioumdfdriverv2.inf from the Chuwi provided fingerprint reader driver, you can see that it expects hardware Id ACPI\FTE3600 on line 17:
I changed line 17 to reference the ACPI\FTE4800 value from Device Manager and was able to install the driver normally (though I had to enable unsigned driver installation, since I modified the driver files and thus broke their signature).
Not sure why this happened, but glad to have the fingerprint reader back!
The suggestion from zenbob worked.
After updating the INF, you will need to disable Windows 10’s driver signing check.
Follow option 2
