If your Toshiba TV won’t turn on after a power outage, there are a few things you can try to troubleshoot the issue.
First, unplug your TV and cable box from the power outlet and plug them back in. Wait 60 seconds for the TV to reset. If the problem persists, check if there is a blown fuse in the power cord. If so, change it to a new one and try again.
Toshiba TV Not Detecting/Connecting HDMI
If your Toshiba TV isn’t detecting or connecting to your HDMI device, try the following:
- Unplug the device from your TV from the port.
- Plug the device into another device (e.g., a Blu-ray player) and see if it works. If it works, then the concern is with your TV. If it doesn’t, then the problem is with your device.
- Try attaching the device to a different HDMI port on your TV.
- Ensure the cable is close to your TV (i.e., not too far away).
- If possible, try using a different cable.
- If you’re still having trouble, your device may be defective.
Why is the Toshiba Smart tv Not Turning on and flashing Red Light?
There are a few causes why your Toshiba Smart TV might not turn on. One possibility is that there is a problem with the power supply, which can cause the light to fluctuate or even drain completely.
Alternatively, the TV might have a problem, such as a blown fuse or faulty circuitry. If you are unsure what the issue is, it’s best to contact a qualified technician for help.
How to Fix a Toshiba TV Won’t Turn On
If your Toshiba TV doesn’t turn on, there are a few things you can try to resolve the problem. Firstly, ensure that the power key is working properly.
If the key seems stuck or not working correctly, you can try resetting it by unplugging your TV from the power outlet and then plugging it back in. You might need to replace the power key if it is not functioning correctly.
Another potential issue could be a blown fuse or capacitor on the circuit board. If you see a red light on your TV, this may be an indication that there is a problem with the board. You can try replacing the fuse or capacitor, but if you’re uncomfortable doing this, you should take your TV to a professional for repair.
- Reset the Remote Control
- Perform a Factory Reset
- Evaluate the Power Supply
- Remove Batteries and Press Power Key
- Unplug Toshiba TV from the wall
- Try a different power outlet
- Check Audio and Video Connections
- Inspect the Power Cables
- Motherboard Malfunction
- Disconnect Any Third-Party Devices
- Disable Power Saving/Echo Features
- Try Other Channels
- Alter Some Configurations
- Upgrade Your Toshiba Firmware
- Evaluate The Signal Strength
- Google Chromecast
- Backlight is broken
- Damaged Cables
- Check the Settings
- Check The TV Panel
- Hardware Failure
1. Reset the Remote Control
If your Toshiba TV isn’t working, you can try resetting the remote control. To do this, hold the reset key for 10 seconds. The red light on the remote should blink, indicating that the reset is complete. If the light flashes put the batteries back in and try again.
2. Perform a Factory Reset
To conduct a factory reset on your television, start by turning on your TV. Then, locate the reset key on your TV. Once you have found the reset key, press and hold it for a few seconds. After a few seconds, your TV should reset and return to its factory settings.
3. Evaluate the Power Supply
If your TV is not turning on, you should first evaluate the power supply. Ensure the power board is working and the TV is plugged in. Sometimes the switchboard can lose power or voltage. If the board appears to be working, ensure the plug is fully inserted into the switchboard.
If your TV is still not turning on, it could be because it’s not connected correctly to the power supply. Evaluate all of the connections and make sure they’re tight. If you’re still having trouble, try attaching the TV to a different board.
4. Remove Batteries and Press Power Key
To remove batteries and press the power button:
1. Locate the power key on your remote.
2. Hold the power button for 5 seconds until a message on the screen indicates that the batteries have been removed.
3. Remove the batteries from the remote.
4. Press the power key again to turn off the device.
5. Unplug Toshiba TV from the wall
After you unplug your Toshiba TV from the wall, please wait 30 seconds before plugging it back in. It will reboot the TV and clear any temporary issues.
6. Try a different power outlet.
If your power board is turned on and your TV still won’t power on, try plugging the TV into a different switchboard. It’s possible that the board you’re using is damaged or isn’t providing enough power. If you have another power board, you can also try plugging the TV into that.
7. Check Audio and Video Connections
If your Toshiba TV is not working, you should first check the audio and video connections. Ensure all the cables are attached correctly, and the TV is set to the correct input. If everything looks OK, but you’re still not getting any sound or picture, you may need to reboot the TV.
8. Inspect the Power Cables
If your electronic device isn’t working, you should first check whether the power cables are correctly connected. If your TV is connected to an external device, ensure that the power supply is switched on and that the cords are properly connected.
If you’re having trouble with your TV, you may need to troubleshoot the problem by checking the power cables.
9. Motherboard Malfunction
If your Toshiba television suddenly won’t turn on, or if it turns on but quickly powers off, this could signify a motherboard malfunction.
If the standby light is blinking, the TV receives power, but there may be an issue with the startup sequence. You can try unplugging the TV and plugging it back in to see if that helps re-fix things. If not, you may need to contact Toshiba for service or replacement.
10. Disconnect Any Third-Party Devices
If you’re facing issues getting your device to work, one solution is to disconnect any third-party devices that may be connected to it. This could help resolve any conflicts that may be causing the issue.
11. Disable Power Saving/Echo Features
If you can access the menu and move around it, your Toshiba TV’s black screen might not be everlasting. You might want to check if any power-saving or echo functions are active.
After a few minutes of idleness, your Toshiba TV screen will become black if you unintentionally enable the power-saving Oracle feature.
You could access the power-saving capabilities and the settings tab by selecting menu> Power> Power Saver/ Echo. You may turn off the feature by sliding the slider to the right.
Check to see if you’ve installed any additional software that might be causing your TV screen to resume.
12. Try Other Channels
Sometimes the issue is not with you, the TV, or the cable box. It can simply be a broadcast station transmission error.
Try a few other channels to see if the sound comes back on in any of them. If so, hold off until that particular TV station resolves the problem.
13. Alter Some Configurations
- Using the remote control, click the “Menu” or “Home” button.
- Then go to Settings and click “Display and Sounds.”
- Go to “Audio Output” and afterward “Digital audio format.”
- Select “PCM” or “Stereo” as the specified format under the “Audio format” category.
- Click the Back key once more to return to the “Display and Sounds” screen.
- Next time, pick “Sound Settings” and “Advanced Settings” from the right side of the window.
- Hit the “off” button next to the “DTS” option as you scroll down.
14. Upgrade Your Toshiba Firmware
Many different problems can be fixed by updating the firmware. For starters, they can improve your HDMI compatibility, which will enhance the conversion of your digital data.
They also address issues, enhancing the functioning of your TV. If the broadcast system modification caused the sound problem, it also made your TV compliant with their service, allowing you to enjoy a channel fully.
Your Toshiba smart TV will automatically update if:
- Sync your TV to an active WiFi network.
- Access “Settings” from the “Home” menu using your remote control.
- Find the more section by navigating.
- Choose System Update in the top menu.
- Follow the directions on-screen to finish the update procedure.
If you want to install your Toshiba smart TV manually:
- By selecting menu> Get help> Support Information from the main menu, you may find your device’s name and model number and note them down.
- After that, launch your web browser and go to the manufacturer’s installation directory.
- Put the name of your Toshiba model in the search field to get the most recent firmware. (Be careful when entering the word; your TV will not work if you do not.)
- The data must be downloaded, unzipped, and transferred to an external flash device.
- Your TV should now be off and disconnected from the switchboard.
- When you resume the television and reconnect the power, insert the memory.
- This will bring up a blue screen with the words “Upgrade in Progress.”
- The television may handle the rest; remember to turn it back on when it’s finished.
15. Evaluate The Signal Strength
For video and audio to be playback on your TV without interruption, the signal level needs to be at least 20 dB. However, several logical problems may impair your signal strength, causing the sound and image to be distorted.
Check your device’s signal details to resolve this problem:
- Go over to “Support” under Settings from the main menu.
- Select “Signal Information” after selecting the “Self-diagnosis” header.
- Check to see whether it is noticeably lower than 20 dB.
16. Google Chromecast
Here are some Chromecast-related things to double-check and tweak:
- Swap out the ports to check for connectivity or power supply difficulties. Plug your Chromecast into a different wall socket or USB port.
- Adjusting the Google Home app Take your phone, open the Chromecast-specific app, and change some settings. Tap the gear icon in the upper-right corner to access the app’s settings. The “Reboot” option can be found by “More” next. To ensure that your phone is not bottlenecking the audio, try pressing the Corresponding buttons on the volume rocker if that doesn’t fix the sound issue.
- Force Get the Google Home to pause: The “Apps” section can be found in your mobile device’s settings. Once you’ve located Google Home, scroll down and click “Force Stop” on it.
17. Backlight is broken
Turning on your TV and then bringing a flashlight extremely close to your TV screen will quickly reveal whether or not this is the situation.
Whenever you flash the light, pay great attention to check whether there is any visual on the screen. If a picture appears, but it is incredibly faint, your TV’s backlight likely has to be changed since it has failed.
18. Damaged Cables
Look for any evident damage by visually inspecting the cord. To ensure the other cable is functioning correctly, you can test it with a different High-Definition Multimedia Interface cable.
19. Check the Settings
With some TV settings, specific gadgets might not work. It could be helpful to check and modify the video output settings. You can also try to force the system to operate at a lower resolution. This might aid in resolving the problem.
20. Check The TV Panel
The TV screen is on the TV Panel. You might be experiencing some problems with the TV panel if the screen is black. Check for the following to determine if problems with your TV panel are the reason for your screen going black:
- Are corners still there?
- Are they enlarged?
- Do they have any fissures?
Scratches and cracks can be sensitive on LCD and LED panels. Minor damage or scratch can disable the graphics or input on the screen. You might need to contact Toshiba support or a TV repairer to resolve these issues.
21. Hardware Failure
Your input area might give you issues (where your cables connect). On the other side, your power button can be inactive.
It’s also possible that the TV board—the motherboard—is damaged. Any of these issues can be fixed by a TV repairman, or if your warranty is still active, you can contact Toshiba support to find out what to do next.
Home hardware repair could be risky mainly because you lack sufficient technical understanding. Therefore, you risk replacing the incorrect part or further harming your TV.
So it is advised that you call a nearby mechanic. He will open your TV and identify the actual issue. Depending on the cost, you can choose to fix your TV or, if it’s too old, replace it.
The light on your Toshiba TV is blinking, but it won’t switch on after a power outage. Sadly, this is the only cure.