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Why does my TV not turn on?
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Why does my TV not turn on if the backlight is faulty?
Jan 11, 2024 · Why my TV won’t turn on; How to fix a TV that won’t turn on; Check your power outlet; Remove any surge protector or power strip; Replace remote batteries; Select the right input source; Examine all cables and connectors; Power cycle your TV; Check the circuit breaker; Try a factory reset; Inspect the backlight for any defects
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- Check Your Connections. If your TV is connected to a power source but won’t turn on, check the power cable for apparent signs of damage. And if you have a similar cable lying around, you can hook it to your TV and see if it works.
- Reset Your Remote. Since your TV may not turn on if you’re using the remote, it could be that the remote itself has a problem. Luckily, we can do a soft reset to get it working correctly.
- Factory Reset the TV. You must leave your TV plugged in as you perform this step, even if you won’t see a thing on the screen. Moreover, you won’t be using your remote control, but you need to locate the reset button on your TV.
- Select the Correct Input Source. At times the TV doesn’t turn on because the signal or video source is connected the wrong way. Double-check whether you’re using a streaming device, an AVR, a DVD player, Blu-ray, cable box, or whatnot to ensure the input matches the HDMI port you should be using.
- Power Supply Test
- Check A Blown Fuse
- Check Damaged Capacitors
- Other Issues
You should first check if the main board on your TV is receiving power from the power supply board. For this, you need a multimeter. Then, you can start the diagnosing process. You need to check the AC input on the power supply board as well as the DC outputfrom the supply board. The power supply board has two sides: hot and cold. We measure AC on ...
A blown fuse can cause the power circuit board to malfunction. It commonly blows out when there is a power surge or lightning strikes. To know if a fuse is blown, inspect the thin metallic wire inside the fuse. If there is a gap in between the wire or a dark smoky substance inside the fuse, you can confirm the fuse is blown. In such a case, you nee...
The capacitor is the next component that can get damaged in the power circuit board. Capacitors get worn out over time, causing the power circuit board to crash. So how do you know if the capacitor is bad? Identifying a damaged capacitor is easy. Simply inspect all the capacitors in the power supply board. If you see any of the capacitors bulging f...
Now that you performed a power supply test and diagnosed the fuse and capacitor, you must have figured out what is causing the power supply board to crash. If you see everything is fine, there is probably an issue with the display panel of your TV. Display components like the backlight inverter and T-Con board are most susceptible to damage. Or, in...
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Apr 25, 2024 · Causes. 1. Software Glitch. Sometimes the software on your TV gets hung up on a process and is having trouble returning to normal function. A reset should get it out of any bugs or bad loops. To reset your TV you will need to do the following: Unplug your TV and leave it unplugged for 60 seconds.
Discharging or cold booting your TV drains the charge and resets the main board. If something really weird is happening, try this: with the TV on, press and hold the power button on your Samsung TV remote until the TV turns off and back on. When the TV comes back on, everything should be back to normal.
Nov 8, 2023 · 1 First, try turning on the TV using the remote. If that does not work, try pressing the Power button on the TV instead of using the remote control. The Power button’s location will vary depending on your TV’s model. If you are not sure where it is located, see your user manual.
When you turn off the TV, in fact, you are simply putting it on standby, while cold boot is like restarting a computer and allows you to fix those small errors that can be generated during use. Watch the video or follow the steps to learn how to cold boot your TV.
