Common error messages on Samsung TVs

Samsung TVs can occasionally encounter errors that pop-up on the screen and hinder a user's ability to access certain features. This guide will cover the most common issues and provide the solution needed.
Samsung TV screen displaying an HDMI 2 no signal message with options for Connection Guide and Source.
Samsung TV screen displaying an HDMI 2 no signal message with options for Connection Guide and Source.

Common error messages on Samsung TVs

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TV or projector does not show up during SmartThings discovery process
TV or projector does not show up during SmartThings discovery process
You can connect your TV, smart monitor, or projector to the SmartThings app without using a SmartThings Hub. If the app has trouble connecting or discovering your device, there are a few things you should check, like if Bluetooth is enabled on your phone. Then, you can try adding your TV/projector to the SmartThings app again. A Samsung Account and
 Someone already registered this device error when adding TV or projector to SmartThings
Someone already registered this device error when adding TV or projector to SmartThings
If your TV, smart monitor, or projector is still registered to an older SmartThings account* or if you accidentally added it to the wrong account, you can easily reset it and transfer it. All you need to do is add the TV/projector to your new account and the SmartThings app will take care of the rest for you.
 SmartThings Error: Someone already connected this device
SmartThings Error: Someone already connected this device
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