![]() Ever time I tried to install the older driver, however, the installation would crash and the system would auto-repair back to the old Windows state where the Elan Touchapd features were missing until I loaded up the Mouse menu and hit OK. Because of this, I uninstalled the updated driver and tried to revert to the older one with the four-finger gestures. We're sorry but English Community-Lenovo Community doesn't work properly without JavaScript enabled.Of course, I tried to update to the Elan drivers, but upon doing so, I noticed that the gestures were different, and specifically, the four-finger gestures to switch to between the desktop and start menu was missing. It will take atleast 4-6 hours for me to update the status. As i have already rolled back to windows 8. Try to update that package and post your results. There is a beta Intel video driver package which supports Windows 8.1. More interestingly, after hitting OK, the dynamic icon appears and the gestures worked. After so much for research, I was able to figure it out the problem is because of Intel Video Driver. WDTFInstall: Simulated Battery Drivers Install Path: C:Program FilesWindows Kits8. ![]() log: WDTFInstall: Install Simulated Battery drivers. ![]() msiexec /i 'Windows Driver Testing Framework (WDTF) Runtime Libraries-圆4en-us.msi' /l WDTFInstall.log. I went into the "mouse" settings in the control panel and noticed that the driver was still loaded. Source or Causes of the error 'DriverPowerStateFailure':Unable to enable or disable network devices like bluetooth, ethernet and wi-fi adapters. Use unformat to recover data from BSOD when Nvidia GF GTX 950M is used Driver Power State Failure laptop after quick format,full format,accidentally. Then I Manually installing WDTF, still fail. ![]() I recently updated to Windows 8.1 and noticed that my Elan Touchpad features no longer worked at boot-up and that the dynamic icon was missing from the toolbar. ![]()
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