What will you do when you've a printer cable connected between the printer and PC/Laptop and you've already installed printers drivers but still showing the printers not connected in (View Devices and Printers ), follow the steps :-
1- Go to Windows search and type "Services".
2- Open Services as "Run as administrator".
3- Search for "Print Spooler" (you can type "pr"and it will appear ).
4- Right click on Print Spooler and press "Start".
When you go to View Devices and Printers again, you will find the printers connected and I hope you enjoy watching the video.