Hi jboehm,. Please install the Touchpad driver from the below link. You can open the Alps touchpad settings from. Alps and Synaptics are the most common vendors. Select “PS/2 Compatible mouse” or “Dell Touchpad” or any other similar devices and then right click and select properties: Select the . Inspiron Laptop •Inspiron 15 (N, Mid ). Conexant D,External USB 56K. Alps Alps TouchPad compatibility for: windows 7 ( Dell Inspiron N Notebook Drivers Downloads.