Simple tips to fix slow internet. Rebooting your router and modem regularly is a simple and effective way to fix slow internet. Here are the steps on how to do it: • Unplug the power cord from both the router and modem. • Wait for at least 30 seconds. • Plug the power cord back into the modem, then wait for it to start up. • Once your router and modem have rebooted, test your internet speed to see if it has improved. If it has, then you're good to go! | Royal Cable