Many people who have used a windows 10 laptop or just upgraded to one have experienced the ‘laptop to TV HDMI no signal’ problem.
Besides connecting your laptop to your TV, HDMI serves the purpose of copy protection.
This will allow your laptop and TV to recognize and communicate with each other.
If the HDCP, a copy protection device, is not properly detected by either the component or your television, then a ‘laptop to TV HDMI no signal’ problem will occur.
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When your TV is unable to detect incoming display signal from your windows 10 laptop, it could be because of any of the following:
Laptop to TV HDMI No Signal – Possible Causes and working Fixes
Faulty or unsupported HDMI cable
Older device drivers
Malware
Newly installed programs and so on
Usually, the first thing to do when such pops up is to check your HDMI cable to make sure it isn’t loose or damaged.
To get your TV to display images from a computer screen, all it might take is to reboot the devices, unplug and re-plug HDMI between laptop and TV, turn on your TV and your computer simultaneously and TADA!
Go ahead and fix it by following these simple instructions. If this isn’t the problem though, you may have to try out other procedures first.
Let’s look at six solutions to the problem of a laptop being unable to detect an external HDMI monitor.
Fix 1: Make your TV the default device
On your taskbar, right-click on the volume icon
Then select Playback Devices.
In the tab opened, select HDMI or Digital Output Device like your TV
Select Set as Default, then click OK
Fix 2: Update drivers automatically
If you do not have the driver installed on your system, you can use the device manager to search for it and download the latest one.
Fix 3: Try to reset display output
This method is pretty effective. If display output is set wrongly, your PC won’t recognize the TV connected to it.
If you have an HDMI cable, right-click the PC’s desktop and select Personalize > select Display (or Search for Display Settings if you don’t find this option) >> Select Advanced Display Settings > and you should see the connected TV displayed as a second monitor.
If you can’t find your TV, press Windows key + P, then click Duplicate or Extend and select which monitor to extend.
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After this, your windows should be able to detect your TV.
Fix 4:Install drivers in compatibility mode
You can do the following if you run into a laptop-to-TV HDMI connection problem.
Go to the official website of your PC’s manufacturer to download the latest driver for your PC. Find the driver setup file, right-click on it and choose Properties to view details. In the Compatibility tab, make sure “This program is compatible with Windows version” is selected and then click OK to continue the installation. Then reboot your computer and you are done.
Fix 5: Delete recently installed software or apps
If your PC has had no problems connecting to your TV before, but suddenly develops this problem, you may have recently installed some new software.
Sometimes, the issue could be as simple as an old or malfunctioning unit that is not correctly connected to the others.
To Start, in the search bar, type Control panel, then select programs recently added. Click Uninstall to remove them.
Restart all devices and reconnect your TV and PC using HDMI cable. If this fixes the issue, please let me know.Q:
Fix 6: Run Hardware and Devices Troubleshooter
Go to the search bar, type Device Troubleshoot
Click Troubleshoot then select View all in the top left corner
Click on Hardware and Devices then follow on-screen instructions to run the troubleshooter
After troubleshooting, check to see if the issue is resolved by reconnecting the devices
Any of these options should fix the issue with the laptop to TV HDMI connection.
If your program isn’t working or you need help, you might need to contact technical support.