You should check for a few things before connecting your HP DeskJet to the internet, such as. Is the printer in good functioning order or not? Is the router in good functioning order or not? The network's strength is excellent. If the connections are working properly, or if they aren't, You can now proceed with the connecting process after checking all of these minor details. Follow the steps below to learn how to connect your HP DeskJet 2540 to the internet. https://prompthelp.us/blog/hp-deskjet-2540-wireless-setup/