Intelligent Touchpad can't lock the screen solution in Win8 system

Knowledge point analysis:
Lenovo Intelligent Touchpad is a kind of random software that comes with Lenovo, which can realize multi-touch gestures and realize touch screen screen lock function.
Operation steps:
After analysis, such problems mainly exist in software version and usage habits.
1. Priority to restore the machine system to the factory, and ensure that the touchpad can be used normally, then under the control panel, view the current software version;

2. Add and delete in the control panel will be Intelligent Touchpad uninstall, restart the computer, and then download the corresponding Windows 8 64-bit driver from the Lenovo official website;

Link address: http://driverdl.lenovo.com.cn/lenovo/DriverFilesUploadFloder/36605/Win8_IntelligentTouchpad_x64.exe
3. After the download is complete, follow the prompts to install, until the last step, select Enable, and click Finish.

4. At this time, under the Windows 8 common desktop, use three or four fingers to gently slide the touchpad at the same time. A black curtain will appear at the top of the desktop. Screen function (note that three or four fingers gently slide the touchpad at the same time, not pressed), the lock screen effect is as follows (the screen is the start time of the lock screen)

Note:
This software Only the touchpad lock screen function can be realized. The keyboard mouse can also be used in the lock screen state. The design is not a malfunction, please understand!