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🔧 A Troubleshooting Guide by Testergate At Testergate, we don’t guess — we test!In our in-depth product reviews and real-world troubleshooting guide, we provide the tools you need
At Testergate, we don’t guess — we test!
In our in-depth product reviews and real-world troubleshooting guide, we provide the tools you need to solve everyday tech issues without fear!
👉 If your Smart TV is in infinite restart mode, no need to worry!
In this complete guide, we will explore exactly what it means for your TV to be in this situation and provide solutions to you.
Whether running or random, reboots can be super irritating; all you want to do is finish that movie or navigate your apps without interruption.
Here are the most frequently found issues that cause this problem:
Your Smart TV operates on its own operating system (firmware).
Like all smart devices, it will require an update.
If the firmware is old, partially installed, or there’s an error during an update, it may cause infinite loop rebooting.
TV restarts upon power cycle
Updates are running/interrupted
Power supply issues may be the most undervalued type of problem.
A loose connection, defective cabling, a voltage drop, or a poor quality power strip might create instability in power delivery, which could trigger the TV to turn off or reset.
TV screen fully goes black for a second before it turns back on
The problem gets worse during storms or during busy power duty cycles
Smart TVs can overheat due to:
Poor ventilation
Internal fans breaking down
Running for hours on end without a break
They are designed to restart automatically if they reach a dangerous temperature to avoid damage.
The back of the TV feels hot to the touch
It restarts after being on for approximately 30 minutes or longer
Devices attached directly to your stereo can interfere with the whole system—especially when they:
Take too much power
Feed a bad HDMI signal from their own device (e.g., gaming consoles, streaming sticks, or a sound bar)
The restarts only happen when certain devices are plugged in
The TV runs perfectly when nothing is plugged in
Smart TVs have limited RAM.
If there are too many apps open, or the cache hasn’t been cleared in a while, the system can become overloaded.
This can cause freezing or force the TV to restart in an attempt to return to a reasonably acceptable state with limited resources.
The TV slows down over time before restarting
Crashing occurs right after opening a few specific apps
If an update fails or is interrupted (e.g., power outage or loss of Internet), the TV can get stuck trying to reinstall the failed update.
This can create a restart cycle.
The TV restarts every few minutes, even after powering it off
It never makes it to the Home Screen
After you have explored the possibilities as to why this MAY be happening, let’s find and repair it!
Start with the most likely solutions and work your way up to more advanced ones.
There is nothing dangerous here, and nothing that will void your warranty!
Time required: 2 minutes
Using either the remote or the side button, turn the TV off
Unplug it completely from the wall socket
Unplug the phone from the wall and from the cradle
Wait 30–60 seconds
Why it works:
This clears out temporary glitches by clearing the processor and resets the power flow to the motherboard
Time required: 5 minutes
Test the power outlet with something else to be sure that it is stable
You do not want to use poor quality power strips or surge protectors
Test with the TV plugged directly into the wall for testing
💡 Bonus Tip:
If you have voltage fluctuation in your area, TRY using a voltage stabilizer, or Uninterrupted Power Supply to protect your electronics
Time required: 5–10 minutes
Remove all signal cables (HDMI, USB, Optical audio, and A/V cables)
Power the TV on without any external connections hooked up to the TV
If it stops restarting, plug the other external devices back to the TV one at a time to find the culprit
Why it works:
Eliminates any signal fluctuation, and isolates any third parties
Expected Time: 10–20 minutes (allowed your wireless connection is fast enough)
Settings > Software Update > Connect to Wi-FI > Check for an update
Download the update, and when the update has downloaded, you should install it and restart your TV.
⚠️ Tip: Do not turn off your TV while it is updating
Expected Time: 5–15 minutes
Settings > Apps > Manage apps
Find the apps that aren’t used.
(Press “Clear Cache” button, or just press the close button (the little square next to the TV return button))
This should close any unused apps too.
Once you’re done, restart your TV.
Why does this work?
Clearing the cache removes RAM so the app isn’t crashing because it is using too much usable RAM
Expected Time: 5 minutes
Turn Off:
Auto Power Off
Sleep Timer
Energy Saving Mode or Eco Mode
Why This Works:
Taking off these automatic settings prevents your TV from shutting down or rebooting according to its environment and usage habits
Expected Time: 15–20 minutes
Settings > System > Reset Options > Factory Reset or Reset to default settings
Then follow the directions
⚠️ Warning:
Factory Reset will delete all your apps, and all your saved…
Once your problem has been fixed, put these habits into your routines so that the next time around, the problems do not encounter you!
Dust any vents and any back panels on a weekly basis using a soft brush or micro-fiber cloth
Power down the TV instead of using standby mode every occurrence that it is not in use
To help manage the onboard memory of the TV, delete all apps that you don’t use, once a month
Throughout the week, Do not ever use the TV for multiple durations of time greater than the aggravating 6 hours without letting the TV take a break from revisiting its memory
Use a power source that has surge protection
At Testergate we know that it is painful to keep your devices running properly.
A smart TV that is pressing the restart function is a painful smart product issue, but it is not always a disaster — typically, it is always a major fix.
From clearing your cache, to checking your power source and plugs, this summarizes our helpful, easy-to-follow process without having to call a technician, for reasonably action-oriented ways to manage successful device troubleshooting.
If you enjoyed this troubleshooting guide, consider checking out Testergate for more:
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