How to Completely Uninstall My HP Photosmart All

Double-click on the “My Computer” icon.
Click “Control Panel.”
Click “Add or Remove Programs.”
Click on “HP Photosmart All-in-One Printer Driver Software” from the programs list.
Click the “Remove” button.
Click “Yes” when asked if you want to remove all the components associated with the HP All-in-One printer.
Restart your computer when prompted to complete the removal.