Hisense M5010 User Manual page 26

Remote control does not work.
Smart Television with wireless
network capability Wi-Fi fail to
join a local network.
Other Information
Confirm that TV still has power and is operational.
Change the batteries in the remote control.
Check if the batteries are correctly installed.
Configure the local wireless router or access point for WPA-PSK
security before attempting to connect the TV to the Wi-Fi network.
Follow instruction in the User Manual of the television to setup a
wireless connection
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