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9 Posts

09-19-2020

CH

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  • Posts: 9
  • Registered: ‎09-19-2020
  • Location: CH
  • Views: 95
  • Message 1 of 1

S940 - touchpad not working after 2020.07.29 BIOS update

2020-09-19, 15:14 PM

Hello,

 

Recently the Lenovo system update tool offered a critical BIOS update:

https://download.lenovo.com/consumer/mobiles/akcn38ww.txt

 

The update itself went fine but on rebooting the touchpad is not working anymore.

 

 

The laptop is running Windows 10 Home version 2004.

 

In "Touchpad settings"

The system says "Your PC has a precision touchpad" and it is enabled.

 

 

In the "Device Manager"

 

* Mice and other pointing devices: 

I only see "HiD-compliant mouse"

no touchpad is listed

 

* Human Interface Devices:

There's "HiD-compliant touch pad"

After uninstalling this and rebooting, it is reinstalled automatically. But touchpad is still not working.

 

Has anyone else experienced the same issue?

What else could I check to debug this issue?

 

The laptop is still under warranty.

 

Thanks,

 

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