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anom3
Paper Tape
Posts: 6
Registered: ‎11-17-2017
Location: PL
Views: 584
Message 1 of 1

T470 + Windows 7 = Bug in the latest synaptic drivers

There is a battery draining bug in the latest (19.3.4.83) synaptics drivers. This is true in both the Windows 10 and Windows 7 drivers.

 

One of synaptics processes is pooling the WMI quite frequently using about 1% of the cpu, non-stop.

 

This has been fixed in the windows 10 drivers on the Yoga.

 

There is a detailed writeup on this here:

 

https://randomascii.wordpress.com/2017/09/05/hey-synaptics-can-you-please-stop-polling/

 

Reverting back to the 19.3.4.75 drivers fixes this, although they were quite hard to find for Windows 7.

 

Lenovo, please fix this.

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