Sharp smart tv displaying the network setup screen. After that select change and search options.

Sharp Roku Tv Review Techhive
Sharp tv not connecting to wifi. 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. Sharp smart tv not. Try powering down your modem and the router presupposing theyre discrete pieces of hardware. Select internet setup network setup connection type. Sharp smart tv displaying the network setup screen with change button selected. After that you need to choose the wireless option in connection type.
Try turning the tv round so the rear faces towards the router if it then works then its the internal metalwork blocking the wifi it also quite possible that once its connected you can turn. Then press the down arrow key on the remote once to select the wireless setup menu item shown next. Take your sharp smart tv remote control and press on the menu button. This highlights the change button as shown in the next picture. The router works with other devices. Only the sharp roku is not working.
Enter wireless setup page to move forward with how to connect sharp tv to the internet then with the wireless setup menu item highlighted press the enter key on the remote. Select the wireless setup. If the wireless network password is incorrect or changes your sharp aquos crystal cant connect to the wi fi network. The television then fills in the right two thirds of the screen with the currently saved network information as well as the connection status to that network. If you do not have it you can find it here. I have a sharp smart tv led and will not connect to the internet wireless router.
Select the internet setup option. Leave this for a couple of minutes and then see if you can re connect the tv. Try these simple methods to get your tv to connect to wifi. Bring up the wireless setup menu. To turn wi fi on tap the wi fi switch to on. How to connect sharp tv to wifi.
Make sure the wireless network password is correct. The message is invalid gateway. All my other devices including my insignia roku work fine and stay connected. After that select network step and choose the connection type option. Make sure you have your wifi information. Power up the modem leave it for about a minute and then power up the router.
Im getting to the point were im considering replacing the sharp roku tv all together. You can use the below following steps for connecting sharp tv to internet via wifi wireless networks. Remove power to your router for 5 minutes and plug back in. Unplug the tv for 5 minutes and plug back. Remove and reconnect to the network to make sure the password is correct. 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.
Hit the menu button on your sharp tv remote.