TPMiddle was great to do it, but is incompatible with the X1C7.
Good thing there’s W10Wheel:
- In the ELAN TrackPoint for Thinkpad application, choose “Middle Button Action”: Middle Click
- In the Windows Settings application, go to Devices → Mouse and check “Scroll inactive windows […]”
- Download and launch W10Wheel
- In the taskbar, right-click on the W10Wheels icons and set “Trigger” to “MiddleDrag”
- In application, disable “autoscroll”
Current configuration with an Intel i7-8665U:
|CPU Core & CPU Cache||-100.6 mV|
|Intel GPU & iGPU Unslice||-20.5 mV|
|System Agent||0 mV|
- Uninstall existing driver by following this (copied from the README)
- Start Windows and logon with an administrator account.
- Right-click Windows logo on taskbar.
Select Device Manager.
- Select ‘Software components’ category.
- Uninstall each of the following components.
- Double-click the target component/device to launch Properties
- Select ‘Driver’ tab -> ‘Uninstall device’
- Check ‘Delete the driver software for this device’, then click ‘Uninstall’ a. Dolby APO Software Device (HSA) b. Dolby APO SWC Device c. Fortemedia SAMSoft Effects Component d. Realtek Audio Effects Component e. Realtek Audio Universal Service f. Realtek Hardware Support Application
- Select ‘Sound, video and game controllers’ category.
- Double-click ‘Realtek(R) Audio’.
- In Details tab, select ‘Extended Infs’ in the dropdown.
- Make sure to take note of the listed INFs.
- Uninstall ‘Realtek(R) Audio’.
- Without refreshing the Device Manager or rebooting, open Command Prompt as Admin and uninstall each extension INF listed in step #9. Example: pnputil /delete-driver oemXX.INF /uninstall /force
- Execute steps 8-11 for ‘Intel(R) Smart Sound Technology (Intel(R) SST)’.
- Select ‘System devices’ category.
- Uninstall each the following devices in the same order. a. Detection Verification b. Intel(R) Smart Sound Technology (Intel(R) SST) OED c. Intel(R) Smart Sound Technology (Intel(R) SST) Audio Controller.
- Reboot system.
- Reinstall the driver with the package from Lenovo website. If you want to be extra-sure, do so from an elevated command-line.