Samsung RU710D UN75RU7100FXZA Quick Start Guide

To connect your TV to Wi-Fi, press the Home button on your remote, go to Settings > General > Network > Open Network Settings, and then select Wireless. Choose your Wi-Fi network from the list and enter your password.
Ensure that the power cable is firmly connected to both the TV and the wall outlet. Check if the power outlet is working by connecting another device. If the standby light is off, try pressing the power button on the TV itself.
Navigate to Settings > Support > Software Update > Update Now. Ensure your TV is connected to the internet before performing the update.
Check that the volume is not muted and is set to an audible level. Ensure that the TV speakers are selected as the audio output in Settings > Sound > Sound Output.
Go to Settings > General > Reset, then enter your PIN (default is 0000). Confirm to reset your TV to factory settings.
Ensure the source of the content is HD or higher. Check the picture settings by going to Settings > Picture and adjust the picture mode as needed.
Go to Settings > Sound > Sound Output > Bluetooth Speaker List. Put your headphones in pairing mode and select them from the list.
Press the Home button on your remote to access the Smart Hub. From there, you can navigate through apps, settings, and other features.
While watching content, press the Menu button, go to Settings > General > Accessibility > Subtitle Settings, and turn subtitles on.
Check the batteries and replace them if necessary. Ensure there are no obstacles between the remote and TV. If the problem persists, try resetting the remote by removing the batteries and pressing the power button for 10 seconds.