@RobertYu Hi, are you able to ping each other between the two computers? If not, please turn off the windows firewall for a try.

@Avocadosed Hi, it sounds like you are trying to update the driver of your wireless adapter, instead of the modem. You could try contacting the manufacturer of the wireless adapter. For TP-Link...

@YCLV Hi, WiFi lights off means the WiFi function is disabled on the powerline extender, you could press and hold the Wi-Fi button for at least 5 seconds to turn the wireless function on or off.

@Dum0nster Hi, upon checking, Smart Connect is available on TL-WA1801, TL-WA3001 and TL-WA1201 in AP mode.

@VivekShenoy Hi, are you using Jio 4G or 5G SIM? And please also double-check the hardware version on the label of the device to see if it is V5.0, V5.20 or V5.30.

@CDC1951 Hi, may I have the screenshot of your usage settings? and you mean the displayed monthly used date didn't reset on the MR600 instead of the data displayed on your ISP side, right?