TV keeps turning off by itself? We fix it — in your home, across Chicagoland.

What “turns off by itself” usually means

The exact pattern of when the TV shuts off is the diagnostic clue. Pay attention to which one matches yours before our tech arrives:

• Turns on, picture appears for a few seconds, then shuts off. Classic backlight protection trip — the TV detects a failed LED strip and shuts itself down. Repairable by replacing the failed strip.
• Restart loop: turns on, shuts off, turns on again, repeats. Either a failing power-supply capacitor or the main board detecting a fault and rebooting. Diagnose in person.
• Stays on for 10–30 minutes, then shuts off. Thermal cutoff — usually a main-board overheating or a dying fan. Repairable.
• Shuts off randomly mid-show, no pattern. Most often a capacitor on the power board that’s failing intermittently. Common on Vizio M-series, TCL 5-series, and Samsung Crystal UHD.
• Shuts off when you change inputs. HDMI-CEC issue. A connected soundbar or cable box is signaling power-down. Settings issue, not hardware.
• Standby light turns on, but screen never comes up. Power supply is doing its job but the main board or T-Con won’t complete startup. Repairable.
• Shuts off shortly after a firmware update. Sometimes a settings glitch from the update. Factory reset before assuming hardware failure.

Try these before you call

Some shut-off issues are settings, not hardware. Try these first.

1. Disable Sleep Timer and Auto Power Off. Found in Settings → General or Eco / Energy Saver settings. Many TVs have a 4-hour idle timeout enabled by default that can cause unexpected shutoffs.
2. Disable HDMI-CEC (Anynet+ / Bravia Sync / SimpLink / Viera Link). If a connected soundbar, cable box, or receiver is signaling shutdown, disabling HDMI-CEC will isolate it.
3. Power-cycle the set. Unplug for two full minutes. Hold the power button on the set itself for 30 seconds while unplugged. Plug back in. Clears the standby microcontroller.
4. Factory reset. Settings → System → Reset. Wipes out any settings/firmware state issue. If the shutoffs continue after reset, it’s hardware.
5. Check the air vents. If the TV has been getting hotter than usual and shutoff timing correlates with warm-up, it might be thermal — clean dust from the back vents and try again.

What we do on the in-home visit

Our tech arrives, opens the back, and runs a structured diagnosis: power-rail voltages while the TV is starting up, capacitor health on the power board, thermal readings on the main board and SoC, and backlight LED voltage. We listen for the protection-trip pattern in real time. Diagnosis takes 15–25 minutes. Most shutoff repairs are completed in the first visit — capacitor replacements, fan replacements, and LED strip swaps are all stocked on the truck for common models. If a model-specific main board is needed, we order on the spot and return to install with no additional service-call fee.

Typical cost ranges

Prices include parts and labor. Final number depends on brand, size, and exact failure. We quote in writing before starting.

When repair doesn’t make sense

On TVs over seven years old with multiple intermittent shutoff causes (capacitor + backlight + main board), the cumulative repair cost can approach the price of a new mid-range TV. We’ll be honest with you on the phone after you describe the pattern — sometimes replacement is the right answer.

What we service

All major brands — Samsung, LG, Sony, TCL, Hisense, Vizio, Panasonic, Sharp, Philips, Insignia, Toshiba, Element. LED, OLED, QLED, mini-LED, plasma, 4K, 8K. From 32″ bedroom sets to 85″ home-theater displays.

Service area

In-home service across Chicago and every suburb within a 45-mile radius, including Lincoln Park, Lakeview, Wicker Park, Naperville, Oak Park, Evanston, Schaumburg, Aurora, Joliet, and every town in between. Next-day appointments are typical.