Sometimes when the user tries to print the documents using their HP printer, they get an error " driver is unavailable". This problem is quite common to occur in HP printers. Fortunately, you can easily fix the issue by updating your operating system. Most of the time "HP Printer Driver Is Unavailable" error occurs when the user's operating system is out of date. Thus, it is recommended to update the operating system to its latest version to deal with the problem. Also, reinstalling the printer drivers can help to fix the issue. First, uninstall the current drivers from your device, visit the HP printer official website, and install the latest version.