The message is invalid gateway. Try these simple methods to get your tv to connect to wifi.
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Sharp smart tv wont connect to internet. The router works with other devices. Disconect the tv and reboot once the sharp logo appears you are ready to go. Bring up the network setup page 1e. After that select network step and choose the connection type option. Be sure you are typing in the correct password password is located on the router itself unplug the modem for 5 minutes and plug back in. Here is a simple guideline to restarting your roku device.
After that you need to choose the wireless option in connection type. Sharp smart tv not. Select the internet setup option. All my other devices including my insignia roku work fine and stay connected. Bring up the select. Connect an ethernet cable from your router to your tv.
Add network manuallyheres how to connect your tv to the wi. Im getting to the point were im considering replacing the sharp roku tv all together. How to connect sharp smart tv to internet via wifi take your sharp smart tv remote control and press on the menu button. 3 go to your smart tvs network settings menu. Plug one end of the ethernet cable into your router and the other one into the port on the back of your smart tv. Unplug the tv for 5 minutes and plug back.
Check the tvs internet network status then press the down arrow key on the remote once to select the wireless. Enter wireless setup page to move forward with how to connect sharp tv to the internet then with the wireless setup. Only the sharp roku is not working. To restart your device. Remove power to your router for 5 minutes and plug back in. Then about a month ago the problem expanded to the whole tv not staying connected to wifi and i have to manually connect every morning.
You can connect in three methods. Most connectivity issues can be remedied by simultaneously restarting the roku device as well as the router. I have a sharp smart tv led and will not connect to the internet wireless router.