Unplug the power cord. Wait for 10-15 minutes. Plug the power cord back In. Switch ON the TV using the remote. See also Samsung TV YouTube App Not Working [Quick Fix] If you have an LG TV that keeps disconnecting from WiFi, then the first thing you should do is to turn it off completely and then turn it back on again.
Restart your Modem and WiFi router. If restarting your Smart TV doesn't work, it is possible the issue may lie with your Internet connection or WiFi network. Simply turn off the Modem and WiFi router and turn them on after a couple of minutes. This will refresh the wireless network.
Is your Samsung smart TV stopped connecting to Wifi network? Here's how to fix the Internet or WiFi connection problem on Samsung TVs. Why did my Samsung TV

On your TV, navigate to Menu > Settings > All Settings > Connection. Select Network, then Reset Network. Confirm by clicking Reset. Once the process is complete, you'll have to go to Network

• To use the Wireless USB function, the wireless-connection dongle provided (as a component) should be connected to the USB port on the PC. The wireless-connection dongle allows a wireless connection between the product and a PC. The dongle connected to a PC should point at the product to maximize signal reception

How to factory reset the Samsung Galaxy A53. If the phone is on, go to Settings > General Management > Reset and select Factory data reset. If the phone is off, first plug it into a PC. Then press

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