Hisense TVs have gained popularity for their impressive picture quality and immersive sound. However, like any electronic device, they can encounter issues. One common problem reported by users is when their Hisense TV turns on but no picture or sound. In this article, we will delve into the possible causes of this problem and provide you with a comprehensive troubleshooting guide to help you resolve it.

Troubleshooting Guide: Hisense TV turns on but no picture or sound

1. Check the Connections

HDMI Cables

HDMI (High-Definition Multimedia Interface) cables are widely used to transmit high-quality audio and video signals between devices such as televisions, monitors, Blu-ray players, gaming consoles, and set-top boxes. They have become the standard connection for transmitting high-definition content due to their ability to carry both audio and video signals over a single cable.

Here’s a breakdown of key aspects related to HDMI cables:

1. Audio and Video Transmission: HDMI cables are designed to deliver high-definition audio and video signals with excellent clarity and fidelity. They support various audio formats, including Dolby Digital, DTS, and uncompressed multi-channel audio.
2. Compatibility: HDMI cables are compatible with a wide range of devices, making them versatile and convenient for connecting different components of a home entertainment system. They can be used for connecting devices such as TVs, projectors, soundbars, gaming consoles, media players, and more.
3. Video Resolutions: HDMI cables support various video resolutions, including standard definition (480p), high definition (720p, 1080i, 1080p), and even ultra-high definition or 4K resolutions. The specific capabilities of the HDMI cable, such as its version and bandwidth, determine the supported resolution.
4. Audio Return Channel (ARC): HDMI cables with ARC functionality allow bidirectional audio transmission. This means that you can send audio from the TV back to an audio receiver or soundbar without the need for a separate audio cable. It simplifies the setup and reduces cable clutter.
5. Ethernet Channel: Some HDMI cables feature an Ethernet channel, known as HDMI with Ethernet. This allows for an internet connection to be shared between devices through the HDMI cable, eliminating the need for separate network cables for certain applications.
6. HDMI Versions: HDMI cables come in different versions, such as HDMI 1.4, HDMI 2.0, HDMI 2.1, and so on. Each version introduces new features and improved capabilities, including higher video resolutions, increased refresh rates, enhanced color depths, and support for advanced technologies like HDR (High Dynamic Range) and VRR (Variable Refresh Rate).

When connecting devices using HDMI cables, it’s important to ensure a secure and snug connection. Loose or damaged cables can result in intermittent or poor signal transmission, leading to issues such as no picture or sound. If you encounter problems with your Hisense TV turns on but no picture or sound, checking the HDMI cable connections and potentially trying different cables can help troubleshoot and resolve any connectivity issues.

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Antenna/Cable connections

Antenna/Cable connections refer to the physical connection between your Hisense TV and an antenna or cable source that provides television signals. This connection allows you to receive over-the-air broadcasts or cable TV channels on your television.

Here’s a breakdown of important aspects related to antenna/cable connections:

Antenna Connection:

• An antenna connection involves using an antenna to receive over-the-air broadcasts. It is commonly used to access local TV channels that are broadcasted for free.
• To connect an antenna to your Hisense TV, you’ll typically use a coaxial cable with an F-type connector. The coaxial cable connects the antenna’s output port to the TV’s antenna input port.
• Ensure that the antenna is properly positioned and oriented to receive the strongest possible signal. This may involve adjusting the antenna’s position or using an outdoor antenna for better reception, depending on your location.

Cable Connection:

• A cable connection involves connecting your Hisense TV to a cable TV service provider’s network. Cable TV providers deliver a range of channels through a coaxial cable that is connected to their network infrastructure.
• To connect your Hisense TV to a cable service, you’ll need a coaxial cable with an F-type connector. One end of the cable connects to the cable outlet on the wall or a cable signal splitter, while the other end connects to the TV’s cable input port.
• Ensure that the cable is securely connected and that there are no loose or damaged connectors.

Signal Strength and Quality:

• For both antenna and cable connections, it’s crucial to ensure that the signal strength and quality are sufficient for optimal reception.
• Weak or poor-quality signals can result in issues such as pixelation, freezing, or a complete loss of picture and sound.
• You can check the signal strength and quality through the TV’s settings or by using a signal strength meter or TV signal analyzer device.
• If the signal strength is weak, you may need to reposition the antenna, adjust its orientation, or consider using signal amplifiers or boosters.

Auto Channel Scan:

• After connecting your Hisense TV to an antenna or cable source, perform an auto channel scan or auto-tuning on your TV.
• This process allows the TV to search and store all available channels based on the connected antenna or cable input.
• The auto channel scan ensures that your TV is tuned to the correct frequency and can receive all available channels.

By ensuring proper antenna/cable connections and optimizing signal strength, you can enhance your viewing experience and avoid issues Hisense TV turns on but no picture or sound. If you encounter problems, double-check the connections, perform an auto channel scan.

2. Power supply

Power supply refers to the provision of electrical power to a device, such as a Hisense TV, to enable its operation. It involves connecting the TV to a power source, typically a wall outlet, to ensure it receives the necessary electrical energy to function properly.

Here’s a breakdown of important aspects related to power supply for a Hisense TV:

Power Cord:

• A power cord, also known as an AC power cable, is used to connect the TV to a power outlet. The power cord typically has a plug that inserts into the wall outlet and a connector that plugs into the TV.
• Ensure that the power cord is compatible with your region’s power outlet standards (e.g., voltage and plug type).

Power Outlet:

• The power outlet is the electrical socket on the wall or power strip where you plug in the TV’s power cord.
• Make sure the power outlet is functioning correctly and providing power by testing it with other devices or using a voltage tester if necessary.

Secure Connection:

• Ensure that the power cord is securely connected to both the TV and the power outlet.
• Verify that the connector is inserted fully into the TV’s power input port and that it is not loose or partially disconnected.

Power On/Off:

• Hisense TVs typically have a power button on the TV itself or on the TV remote control.
• Use the power button to turn the TV on and off. When the TV is powered off, it enters a standby mode where it consumes minimal power.

Power-related Issues:

• If the Hisense TV turns on but no picture or sound, it could indicate a power-related issue.
• Check if the power cord is securely connected at both ends and ensure the power outlet is functioning.
• Try plugging the TV into a different power outlet to rule out any potential power supply problems.

It’s important to note that power-related issues can also be caused by internal TV problems or issues with other components. If the power supply is not the root cause, it may be necessary to consult the TV’s user manual. Ensuring a reliable power supply is essential for the proper functioning of your Hisense TV, and maintaining a secure and stable power connection will help avoid power-related issues.

3. Check the TV Settings

Input Source:

The input source on a Hisense TV refers to the specific input port or channel that is selected to receive signals from an external device. Hisense TVs typically have multiple input options, such as HDMI ports, AV ports, USB ports, and antenna/cable inputs.

To select the desired input source on your Hisense TV, you can use the TV remote or the buttons on the TV itself. By accessing the input/source menu, you can choose the corresponding input option for the device you want to use, such as HDMI 1, HDMI 2, AV, USB, or the antenna/cable input.

Mute and Volume Settings:

Mute and volume settings on a Hisense TV control the audio output. Here’s an explanation of each:

1. Mute: The mute function allows you to temporarily silence the audio output of your Hisense TV. When the TV is on mute, no sound will be heard, regardless of the volume level. This can be useful, for example, when you want to quickly silence the TV during phone calls or other interruptions. To activate or deactivate mute, you can use the mute button on the TV remote or the TV itself.
2. Volume: The volume settings control the audio level of the TV. It allows you to increase or decrease the sound output according to your preference. The volume can be adjusted using the volume buttons on the TV remote or the TV itself. Some Hisense TVs may also have additional audio settings, such as bass, treble, balance, or surround sound options, to further customize the audio experience.

Picture Settings:

Picture settings on a Hisense TV allow you to adjust various parameters to optimize the visual quality according to your preferences. These settings affect aspects such as brightness, contrast, color saturation, sharpness, and more. The specific picture settings available may vary depending on the Hisense TV model, but here are some common settings:

1. Brightness: Adjusts the overall brightness level of the picture.
2. Contrast: Controls the difference between the darkest and brightest parts of the image, enhancing the overall image depth.
3. Color Saturation: Alters the intensity or richness of colors displayed on the screen.
4. Sharpness: Adjusts the level of image detail or clarity.
5. Picture Mode/Presets: Hisense TVs often provide different pre-configured picture modes or presets, such as Standard, Cinema, Sports, or Game modes. Each preset has predefined settings optimized for specific viewing scenarios, allowing you to quickly switch between different picture settings depending on your content and preferences.

Accessing the picture settings on your Hisense TV typically involves navigating through the TV’s menu using the remote control or the TV buttons. Refer to the TV’s user manual for detailed instructions specific to your model.

By adjusting the input source, mute and volume settings, and picture settings on your Hisense TV, you can customize the audiovisual experience to suit your preferences and ensure an immersive viewing experience.

4. Perform a System Reset

Soft Reset

A soft reset, also known as a soft reboot or restart, is a troubleshooting method used to resolve minor software glitches or temporary issues that may be affecting the performance of a device, such as a Hisense TV. It involves restarting the device without affecting any stored data or personalized settings.

Here’s an explanation of a soft reset:

1. Turning off the Device: Use the power button on the device or the remote control to power it off. For example, if you want to perform a soft reset on a Hisense TV, you would turn off the TV using its power button.
2. Disconnecting from Power: Unplug the device from the power source. This may involve removing the power cord from the device itself or disconnecting it from the wall outlet.
3. Waiting Period: Allow the device to remain disconnected from power for a short period of time, typically a few minutes. This waiting period allows the device’s internal components to discharge any residual power and resets them to their default state.
4. Powering On: After the waiting period, plug the device back into the power source and turn it on using the power button. The device will boot up as usual, and you can check if the issue or glitch has been resolved.

Soft resets are often performed as a first step in troubleshooting when a device is experiencing minor issues, such as freezing, slow performance, or unresponsiveness. They can help clear temporary data or correct software-related problems without affecting any stored data or personalized settings.

Factory Reset

A factory reset, also known as a hard reset or master reset, is a more comprehensive troubleshooting step that restores a device to its original factory settings. It erases all data, settings, and personalized configurations on the device, returning it to the state it was in when it left the factory.

Here’s an explanation of a factory reset:

1. Accessing the Reset Option: The process of performing a factory reset may vary depending on the device. Typically, you can find the factory reset option in the device’s settings menu. For example, on a Hisense TV, you might navigate to the “Settings” menu, locate the “System” or “Reset” section, and find the option to perform a factory reset.
2. Confirming the Reset: Before initiating the factory reset, the device will usually provide a warning about data loss and prompt you to confirm your decision. It’s crucial to understand that a factory reset will erase all data and personalized settings on the device.
3. Reset Process: Once you confirm the factory reset, the device will begin the process. It may take a few minutes for the reset to complete. During this time, the device will remove all user data, revert settings to default values, and restart.
4. Setup Process: After the factory reset is complete, the device will boot up as if it were brand new. You’ll need to go through the initial setup process, such as selecting language preferences, connecting to networks, and configuring settings.

Factory resets are typically performed when a device is experiencing persistent or significant issues that cannot be resolved through other troubleshooting methods. It is important to note that a factory reset should be approached with caution, as it erases all data, including apps, files, and settings. Before performing a factory reset, it is advisable to back up any important data and ensure that you are aware of the consequences.

Factory resets are also useful when preparing a device for resale or when troubleshooting complex issues that require a fresh start.

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Closing

By following the troubleshooting steps outlined in this guide, you should be able to diagnose and resolve the issue of your Hisense TV turns on but no picture or sound. However, if the problem persists, it is recommended to contact Hisense customer support or seek professional assistance for further troubleshooting or repair options. Remember to always refer to the TV’s user manual for specific instructions related to your model.