Ways To Troubleshoot Common Samsung TV Issues – MacSources

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If you own a Samsung Smart TV, you know how impressive this relatively new technology is. However, if you encounter technical issues, they can prove confusing to fix. 
We’ve created this list of troubleshooting tips for some of the most common Samsung TV issues to hopefully save you from having to contact Samsung Support. We hope you find these tips and tricks useful.
Various issues can cause your Samsung TV not to display anything, but thankfully they’re normally easy to diagnose. Most commonly, a black screen is the result of a loose or damaged video cable. HDMI cables don’t include the screws commonly found on older video cables, increasing the risk of a loose connection. So make sure your connection is secure on both ends to see if that fixes the issue. If not, it’s possible your video cable is damaged and needs replacing. Also, try connecting to a different port if possible. 
Other than checking the connections, you can also try restarting your TV or checking that you are on the right source page. Some gaming consoles may have a high-resolution output so you should make sure your TV’s resolution is compatible with your device. Lastly, you could try updating your TV’s firmware to improve compatibility with new devices. 
If your Samsung TV sound is not working there are a few possible reasons this could be happening, ranging from simple mistakes to hardware failure.
The first thing you should check when you aren’t getting sound is whether the TV is muted. It’s easier than you might think to miss that you or someone else hit the mute button. 
If you’re playing on a console or other device with its own volume slider, be sure to check that as well. If that isn’t the issue, confirm that no Bluetooth devices are connected to the TV. This would prevent audio from coming out of the TV.
Checking your cables for damages is your next port of call. If you are using a Samsung sound bar, ensure that is fitted correctly. If that doesn’t work, check your audio settings or try a different audio output if you are using an external audio system. Restarting your TV or updating the firmware could help resolve the issue if all else fails.  
One of the most common causes of screen flickering is a faulty video cable connection. If the cable is damaged, loose, or dirty, your image quality will suffer. Take out the cable on both ends, examine for obvious damage, dust, or dirt, then plug it back in. If that doesn’t work, try replacing the cable.
Samsung TV’s have a feature called ‘Auto Motion Plus’ or ‘Motion Soothing’ and this can sometimes cause flickering. Make sure you have this feature disabled.
Adjust the picture settings or try a different input to see if the problem persists. This way you can decide if the problem is with the device or your TV. Updating your firmware can also help fix any bugs that might be causing the flickering.
If the app you launched isn’t working correctly, check if your TV is connected to the internet properly. For Wi-Fi users, ensure the TV has a strong signal, and for those using Ethernet, make sure it’s connected correctly.
If the internet connection is stable, verify that your internet router isn’t experiencing a connection issue from your service provider. Also, try resetting your TV since it’s possible a software error is preventing your TV from launching the app correctly.
Another option is to reset the Smart Hub, however, this will delete all apps and data associated with the Smart Hub so this will need to be set up again. Clearing your cache can also help if you are having problems with a specific app. To do this you can go the the settings menu and select ‘Apps’, find the app you are having problems with and clear the cache. 
Samsung’s Smart Hub can sometimes fail to display the apps on your Smart TV. If this happens, it’s likely an issue relating to software rather than hardware.
First, try setting your Smart Hub to the default configuration. To do this, navigate to the settings and find the ‘Self Diagnosis’ option. From there, select ‘Reset Smart Hub’. This will fix the problem in most instances. Remember this will delete all apps and data so you will need to set it up again.
Updating your firmware can also help fix any bugs, but firstly check your region settings. Some apps may not be available to certain regions. 
Change the DNS settings by going to the TV’s network settings menu and select ‘DNS Settings’. Use a different DNS server such as Google DNS or OpenDNS. 
If none of the above work and resetting the Smart Hub doesn’t solve the problem, you might need to perform a factory reset. This is drastic but will restore your Smart Hub to working order. To do this, find the same ‘Self Diagnosis’ option and select the factory reset option. From there, enter your PIN (the default is 0000) and confirm.
If you aren’t able to connect to the internet on your Smart TV, you need to determine if the issue is related to your internet or the TV itself.
Start by restarting your Smart TV. Sometimes Smart TVs need a small rest period in order to keep things in working order. 30 seconds or so should be enough. If that isn’t working, the issue may lie with your internet.
Restart your internet router to resolve any potential network congestion. Disconnect devices from the Wi-Fi when not in use to prevent this issue in the future. You can also try forgetting and reconnecting to your Wi-Fi network, or check for interference. 
Make sure your TV is not placed too far away from the router as their reach is limited. In this case, you can purchase an extender and plug this in near to your TV. 
Dead pixels are the bane of any Smart TV owner’s experience. While they’re only a small issue for some, they can become too numerous to ignore if not fixed.
While there isn’t much one can do to revive a truly dead pixel, some pixels are not actually dead. These pixels are stuck on the wrong color and there is something you can try to unfreeze them.
Many videos online exist that feature a sequence of strobing, multi-colored colors in rapid succession. While these videos are harsh on the eyes, they can help stuck pixels reset and begin correctly displaying color again.

If your TV can’t be fixed and needs to be replaced, check your warranty first or consider selling it for cash online or to repair stores, or recycle it for parts. You don’t need to come out of this empty handed. 
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