It's tough to troubleshoot WiFi issues. There could be several reasons and not just one single fix. My LG TV is an older model and had a few issues years ago with connecting to WiFi. Here's a few dumb scenarios that could have an impact. 1. Is your modem located in different room? 2. If you reset your modem, sometimes it will take minutes for it to fully reset (hence, will not detect your WiFi / says it is disconnected). 3. Weak/lost signal from your internet provider outside of your home (which can occur during high-traffic time of day over cable lines or their tech problems). The only thing I suggest is to power off the TV. Then, pull the power cord on the router-modem/then plug it in again. Wait for as long as 10 mins for the modem to reboot (sounds like a long time, but just to be certain it has fully rebooted). Power on the TV, then go to the TV's settings menu for Network. Choose Wi-Fi Connection and look for the name of your router/modem, select it and enter the password. I would avoid putting the TV into Home|Store Mode until you determine if this works at all. Store Mode has nothing to do with saving your Wi-Fi settings. That's it! Also, consider if your router-modem may need to be replaced. Good luck!