Hisense Roku TV HDMI No Signal? – (Here’s How to Fix)

If you see a Hisense Roku TV HDMI no signal message, don’t worry!

If you see a black screen with a message saying “No signal,” it indicates incompatible settings, outdated firmware, or corrupted data.

To fix your Hisense Roku TV’s HDMI connection, you want to ensure all connections are secure. You also want to check that you’re selecting the correct input source on your TV.

Awesome, let’s discuss other ways to fix this! 

Hisense Roku TV HDMI No Signal – 10 Ways to Fix

To help you fix the HDMI no signal Hisense Roku TV problem, we listed 10 solutions in order of difficulty.

Start with the easiest and work your way until you find one that works for you. 

#1: Check the HDMI Cables and Ports

One of the simplest solutions you need to do is to check the HDMI cables and ports on your TV and input device.

You want to make sure they are not loose or damaged. 

Here are the steps to do this:

1. Turn OFF your TV and input device.
2. Unplug the HDMI cable from both ends. 
3. Inspect the cables and ports for signs of damage.
4. If you find any, replace the cable or port with a new one.
5. If you don’t, plug the cable back into both ends securely. 
6. Turn ON your TV and input device.

Tip: Use a high-quality HDMI cable to transmit the signal properly, keeping it away from interference. Plus, avoid using extension cables and adapters. 

#2: Make Sure Your Input Device is Switched On

Sometimes, the input device is turned off or in sleep mode, preventing it from sending a signal to your TV.

To make sure your input device is switched on, follow these steps:

1. Locate the power button on your input device.
2. Press it to turn it ON or wake it up from sleep mode.
3. If you have a remote control for your input device, use it.  
4. Check if the problem is fixed.

Tip: Look for the power indicator light on the input device. If it’s on, then the input device is turned on. If your input device has no power indicator light, listen for sounds that indicate it’s on.  

#3: Check the HDMI Input Source on Your Hisense Roku TV

Another cause of the problem is when you set your Hisense Roku TV to the wrong HDMI input source.

In this case, it is not receiving a signal from the correct port where the input device is connected. 

To check the HDMI input source, follow these steps:

1. Press the Home button on your Hisense Roku TV remote control.
2. Go to the Menu.
3. Select Settings.
4. Select System from the Settings menu.
5. Select Input Settings from the System menu.
6. Select HDMI Input from the Input Settings menu. 
7. Select the correct port where your input device is connected. 

So, if your input device is connected to an HDMI 1 port, select HDMI 1 as the input source. 

#4: Use a Different HDMI Port

Use a different HDMI port on your Hisense Roku TV if none of the above solutions work.

Sometimes, one of the ports is faulty or incompatible with your input device, so switching to another port solves the problem.

To use a different HDMI port, follow these steps:

1. Turn OFF your TV and input device.
2. Unplug the HDMI cable from the port it is currently connected.
3. Plug the HDMI cable into another port on your TV.
4. Turn ON your TV and input device.
5. Check the HDMI input source on your Hisense Roku TV.
6. Ensure the HDMI input source matches the new port.

Pro Tip: When connecting a device that supports 4K Ultra HD or HDR, use an HDMI port compatible with these features.

If the HDMI no signal error persists, consider another HDMI port on the TV or connect the HDMI device to a different TV. 

The steps above focus on resolving issues with your HDMI ports and cables.

If the culprit is unrelated to the HDMI, proceed to the other methods below.

#5: Cold Boot Your TV

Another solution is cold booting your TV to clear any temporary data or settings causing the problem.

Here’s how to do this:

1. Press the power button on your remote or TV to turn it off.
2. Unplug the power cord from the power outlet or power strip.
3. Wait for at least 5 minutes.
4. Plug the power cord back into the wall outlet or power strip.
5. Turn ON your TV using the power button on your remote control or TV.

A cold boot is a complete restart of the TV. It’s different from simply turning off the TV and turning it back on, which is called a soft reboot. 

Pro Tip: If unplugging the TV from the power outlet isn’t possible, press and hold the power button for about 30 seconds. 

#6: Change the HDMI Mode

Another potential issue is HDMI compatibility between your Hisense Roku TV and the input device.

There are two HDMI modes: Auto and 1.4. Change the HDMI mode to resolve the problem. 

Here’s how to do this:

1. Press the Home button on your remote.
2. Scroll to and select Settings.
3. Select TV inputs.
4. Select the HDMI input you want to change the mode for.
5. Select HDMI mode.
6. Select the mode you want to use.

#7: Enable HDMI ARC or CEC

Enabling HDMI ARC or CEC on both your Hisense Roku TV and input device enhances device control and audio signal transmission.

It improves compatibility and communication between your devices. Enabling HDMI ARC or CEC on your Hisense Roku TV.

1. Press the Home button on your Hisense Roku TV remote.
2. Select Settings from the menu.
3. Select System from the Settings menu.
4. Select Control Other Devices (CEC) from the System menu.
5. Check the boxes next to HDMI ARC and CEC.

After turning on HDMI ARC or CEC on your TV, it’s important that you also do the same for your input device.

Both devices need to have this setting enabled for compatibility.

Note: Ensure your HDMI cable supports ARC and CEC. 

#8: Adjust the Resolution Settings on Your TV

The resolution settings determine the number of pixels displayed on your screen.

Too high or too low resolution will cause a mismatch with your input device, resulting in a no-signal problem. 

Adjust the resolution settings on your TV to fix this.

1. Press the Home button on your remote. 
2. Scroll to and select Settings.
3. Select Picture.
4. Select Resolution.
5. Choose the resolution you want to use. 

The resolution options on your TV vary depending on the model. The most common are 720p, 1080p, and 4K Ultra HD. 

Tip: Choose a resolution based on the capabilities of your TV and the device connected to it. If you’re not sure which to use, consult the user manual. 

#9: Update Your TV’s Firmware

The firmware controls how your TV operates. If it’s outdated, it will cause problems with your HDMI connection.

Updating your TV’s firmware will fix these issues by installing new features, making improvements, and fixing bugs.

Here are the steps to do this:

1. Ensure your TV is connected to the internet.
2. Press the Home button on your remote.
3. Scroll to and select Settings.
4. Select System.
5. Select System Update.
6. Choose Check for Updates.
7. If an update is available, your TV will download and install it automatically.

Note: The update process will take a few minutes. If it fails, restart your Hisense Roku TV. 

#10: Reset Your Device Settings

As a last resort, reset your device settings to eliminate any conflicts or errors caused by corrupted or incorrect settings.

It will erase any customizations, preferences, or data you have saved on your TV and input device.   

To reset your device settings, follow these steps:

1. Press the Home button on your TV remote.
2. Scroll to and select Settings.
3. Select System.
4. Choose Advanced.
5. Select Reset.
6. Select Reset all settings.
7. Enter the PIN (0000) if prompted.
8. Choose Reset again. 

After the reset, you must re-enter your WiFi network password and other settings. 

Pro Tip: Back up your data before resetting your settings to ensure you don’t lose any important information. 

Quick Recap

If you encounter a Hisense Roku TV HDMI no signal problem, the most common culprit is a faulty or loose connection between your TV and the input device.

To fix this, first, check your HDMI cables and ports. Then, ensure your input device is turned on.