Hello friends, Restart roku device and router- 1- To restart roku player, go to Settings > System > System restart. 2- To restart Roku TV, go to Settings > System > Power > System restart. 3- You can also unplug the Roku device from the power source, wait a few moments, and then reconnect it. For more info- Roku Com Link Roku Link
Enter the correct name for your wireless network. Selecting the wrong wireless network name will cause your wireless network connection to fail. If you are not certain that your Roku device is connected to the correct network, get help finding your wireless network name.
Enter the password correctly. If you believe you know your wireless password, but it is not working, try re-entering it. It is easy to make a mistake entering your password, and remember that network passwords are case sensitive. Use the shift button shift key on Roku on-screen keyboard on the on-screen keyboard to enter a capital letter. If you do not know the correct password, review the tips for locating your wireless network password.
Check to see that your router is working properly. Using your computer or mobile device, connect to your home network and try accessing the internet by launching a public website like www.roku.com. If you can connect to the internet from another device, your router is successfully providing internet access and you can move to the next step. If you are unable to connect to the internet, try restarting your router (see step 5b below) before contacting your ISP.
Improve the wireless signal strength. If your password is correct and other devices can access the router, but your Roku device is still failing to connect to your wireless network, the most likely problem is the strength of the wireless signal. The wireless signal gets weaker the farther your Roku device is from your router, and with more obstacles (like walls and cabinets) between your router and your Roku device. Review these tips to help improve your wireless signal.
Restart your Roku device and your router.
To restart your Roku player, go to Settings > System > System restart. To restart your Roku TV, go to Settings > System > Power > System restart.You can also unplug the Roku device from the power source, wait a few moments, and then reconnect it.
To restart your router, check the instructions from your ISP or router vendor. In some cases, you can simply unplug it and plug it back in, and in other cases it may require pressing a reset button on the device.
Note: It will take a few minutes for both devices to completely restart.