Laptop touchpad is not working properly

Hello hi im lili b any my toupad isnt working right the dang strolling up or down wont work and I cant fix it I have an hp pavilion dv4 1435dx could someone help mi find the orrect driver that could fix it
 

terry5880

Posts: 321   +3
Start control panel system properties device manager then look if any yellow exclamation marks there to see if any drivers are missing