- Many Windows 10 users encountered that their PCs won't recognize the TV HDMI.
- In order to quickly solve this annoying problem, you need to make sure that it's not a hardware issue.
- Take a look at our Windows 10 section for complete guides from trustworthy tech experts.
- For accurate solutions to similar problems, you may also visit our Fix Hub.
Users tend to connect a TV to their PC, and while this usually works, many have reported that Windows 10 doesn’t recognize their TV.
Normally, PCs are connected to Smart TVs via HDMI cable. And in the event that this issue occurs, it could be that the cable is damaged.
Hence, it is recommended you check the cable to ensure it’s in good condition. If it is, then you can go ahead and try some fixes in this guide.
How do I fix a Windows 10 PC if it won’t connect to TV HDMI?
1. Update the display driver
- Press Windows Key + X to open Device Manager.
- Expand the Display Adaptor.
- Locate and right-click on the video driver.
- Click on Update driver.
- Wait for the update to complete.
- Restart computer.
In case the error is associated with the display driver, updating it would fix the error and your PC can now detect the connected TV.
Alternatively, you can update all your drivers automatically with just a couple of clicks using third-party tools.
We strongly recommend the DriverFix tool to update your drivers in order to avoid the damage to your PC by manually downloading the wrong driver versions.
In order to keep your PC including hardware components safe and efficient, the latest drivers should always be installed, like display driver.
This great tool was developed so that you do not have to worry about manually downloading and installing your drivers yourself.
DriverFixScan your system and update all outdated drivers automatically with Driverfix!
2. Reset display output
- Connect your PC to your TV using an HDMI cable.
- On your PC‘s desktop window, right-click and select Personalize.
- Select Display. This should show you the connected TV (as a second monitor).
- If you can’t detect the TV, proceed.
- Press Windows Key + P.
- Select Duplicate or Extend.
If the display output on your computer is not appropriately set, your PC would be unable to detect/recognize a TV that is connected to it.
3. Troubleshoot hardware and devices
- Input Command Prompt in the search box and hit Enter.
- Type the following command and hit Enter:
msdt.exe -id DeviceDiagnostic
- Once the troubleshooter displays, follow the on-screen instructions to complete the process.
- Exit program.
After running this troubleshooter, reconnect your TV and check if your PC can now detect the TV.
If the problem persists, you can try the next solution.
4. Install drivers in compatibility mode
- Navigate to the official download site of your PC manufacturer, and download the driver from there.
- Locate the download driver‘s setup file and right-click on it.
- Click on Properties.
- Locate and click on the Compatibility tab.
- Check the Run this program in compatibility mode for box.
- Select Windows 10, and click OK.
- Follow on-screen instructions to complete the installation.
- Restart PC.
This procedure, if properly executed should fix the error.
These are some potential solutions that you can try if Windows 10 fails to recognize or detect your TV.
However, it should be noted that, in the event of physical damage to the HDMI cable, these solutions are practically useless. In such cases, you might have to replace the cable.
In case you have subject-related questions or suggestions, feel free to post them in the comments section below.
Editor’s Note: This post was originally published in May 2019 and has been since revamped and updated in September 2020 for freshness, accuracy, and comprehensiveness.