The touchpad red dot failure how to do -? Thinkpad

I notebook T470p, all of a sudden, did not operate any thing, while the touchpad and the red dot failure, and there was no external mouse, like a destroyed and the same ...

Solution

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First thought is shown below updated drivers, invalid !!

Correct program:

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This operation is under normal circumstances the keyboard only by keyboard.

1. Press the keyboard winkey, enter设备管理器
2. Press the Tabbutton, find 人体学输入设备, right start, uninstall it (Check here, press the Altbutton, move to 操作, press the key to expand the menu, select 卸载设备, Enterkey to determine), which is ready to use the touchpad
3. According to the second step operation, the red dot drive mouse uninstall myself
4. This is only need to download a driver 360, update drivers after installation, restart the computer to solve this problem.