Solved: I'm using Windows 10 bit system, and have used it for over a year with no problems. This problem started kinda weird B driver's touchpad problem [solved]. Lenovo Laptop B Series B Touchpad Drivers for Windows (Elan Synaptics) Touchpad-for Windows 8 (64 bits), Name: Lenovo Laptop B Series B TouchPad Driver (Synaptics, Elan) for Windows 7 (bit, bit) - Lenovo B, B, E, E Notebook.