If you need further help (e.g., exactly how to test receiver functionality with a multimeter, or how to open the mouse to clean internal contacts), let me know and I can provide those advanced steps.

There is no specific driver for the HP FHA 3412 mouse. It is a standard HID (Human Interface Device) . It uses the generic mouse drivers built into every modern operating system.

on FHA 3412. The mouse and receiver are factory-paired. You cannot pair it to a different receiver unless it's an identical model HP receiver from the same production batch.