Touchpad not responding,scrolling and mouse work

SOURCE: Mouse is not responding at all

try checking your function key on your laptop and try pressing Fn and the key that corresponds to touchpad to unlock it..

SOURCE: i accidently disabled the scroll/wheel feature on touchpad/mouse for note book

go to control panel and look for the mouse icon. from there you can change the settings of your mouse to enable it.

SOURCE: hp dv7-1285dx touchpad vertical scroll no longer working

Whatever be the laptop, HP bundles the necessary drives in the C drive under the folder SwSetup. You'll find the touchpad driver in this folder. For the steps in installing and making the touch pad work follow
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00678194&cc=us&lc=en&dlc=en&product=3860674

SOURCE: vertical scroll not working on touchpad

The easiest way is to borrow a mouse and allow it to be discovered. This will give you the device tab in control panel. It should then work with your mouse.

SOURCE: touchpad is not responding and keyboard

Try shutting down the device and taking out the battery for 10ish seconds. Reinsert it, and power up your laptop. Sometimes this method takes 2 tries, but usually corrects the power/allotment conflicts keyboards and touchpads have with HP motherboards.