Samsung Series S9 UN105S9WAFXZA Quick Setup Guide

To connect your Samsung TV to Wi-Fi, navigate to Settings > General > Network > Open Network Settings. Select Wireless, choose your Wi-Fi network, and enter the password.
To perform a factory reset, go to Settings > Support > Self Diagnosis > Reset. Enter your PIN (default is 0000) and confirm to reset your TV to factory settings.
Ensure the TV is not muted and that the volume is turned up. Check audio output settings in Settings > Sound. If using external speakers, ensure connections are secure.
To update the software, go to Settings > Support > Software Update > Update Now. Ensure the TV is connected to the internet to download the latest firmware.
Check the batteries and replace them if necessary. Try pointing the remote directly at the TV sensor. If issues persist, reset the remote by removing the batteries and pressing the Power button for 8 seconds.
To enable HDR, ensure HDR content is playing. Then, go to Settings > Picture > Expert Settings, and turn on HDR+ Mode.
Use HDMI ports for high-definition connections. Insert the HDMI cable into the device and the TV, then select the HDMI input source from the Home menu.
Check if the TV is on by pressing the Power button. Ensure all cables are securely connected. Try switching to a different input source or performing a soft reset by unplugging the TV for a minute.
Go to Settings > Picture. You can adjust Picture Mode, Backlight, Brightness, Contrast, Sharpness, and Color to suit your preference.
Restart your router and TV. Check network settings in Settings > General > Network. Ensure the firmware is updated and try connecting the TV via Ethernet for a stable connection.