Do you encounter the HP Envy driver unavailable error? Head to the 'programs and Features' section in 'Control Panel' and choose your printer driver. Uninstall it by deleting it from 'Devices and Printers.' Through the 'Run' box, launch the Printer Server Properties window. Move to the 'Drivers' tab and remove the HP printer driver. Launch the HP Smart app and tap 'Add a new printer.' Follow the instructions to add a printer driver.