A:
In Windows, press the fn + esc keys on the notebook’s keyboard to open the HP System Information window.
A System Information window appears showing a product name and a product number. The product name shown might represent many types of models and might not be suitable for getting proper support for your computer. Instead, use the product number when working with HP Support. The product number contains a “# ” character and is another form of model number that best represents your computer’s configuration.