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Windows 10 Not Detecting HDMI TV (5 working solutions 2018)

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HDMI is a very popular way to connect output devices in your PC, but sometimes you can receive some error in the video or audio section of your PC. If you notice Windows 10 Not Detecting HDMI TV after recent Windows or driver update, Receive the no signal error when you connect your TV to a PC via the HDMI port? don’t worry a number of Windows 10 users have reported this issue.




Laptop Won’t recognize TV as an Audio Source (HDMI)

Windows 10 will not recognize the HDMI cable that is plugged into my Graphics Card. Now, it isn’t the graphics card’s fault because my secondary works and that is plugged into the DVI port on my card too.

Some other users report ” I have updated all drivers and windows as well, but in the display settings it only identifies my main computer monitor.  The TV recognizes that there is an input from HDMI but says “no signal”

Windows 10 cannot detect the second monitor or HDMI TV, Mostly occurs because of Installing graphics driver problem its outdated, not compatible with the current windows version And you need to update or reinstall graphics driver with the latest version to fix the problem.

Windows 10 PC is not detecting the second monitor, here are some solutions which may help you troubleshoot this problem. But the most probably Graphics driver is the most common reason behind this problem. And update or reinstall Graphics driver with the latest version helps to fix the problem.

Before go ahead

  • Make sure HDMI cable connected properly on both end (PC Graphics card HDMI port and TV HDMI port)
  • Also Just Unplug your HDMI cable from your TV set and then plug it again.
  • Try out a new and different HDMI Cable to see whether its a fault with your HDMI cable.
  • Once you connect your Computer to TV via HDMI cable just make sure that you select correct HDMI port from your TV remote. (Since most TV have multiple HDMI ports named HDMI1, HDMI2 etc.)



  1. Also  On your keyboard, press the Windows logo key and P at the same time.
  2. Click Duplicate.
  3. If Duplicate doesn’t work, try switching to Extend.
  4. After that, check to see if Windows can detect your TV.

duplicate screen

Run Hardware and Device Troubleshooter

  • Open Control panel Then Click System and Security.
  • On the top-left, type “troubleshoot” in the search box and click Troubleshooting.
  • Click Hardware and Sound.
  • Click Hardware and Devices and then click Next.
  • This will search for any problems related to HDMI ports not working and then fix it automatically.

Roll Back Graphics Driver

As discussed before this problem mostly occurs due to graphics driver issue. If the problem started after recent driver update we recommend Roll back the drivers for the graphics card and check if it helps to connect the TV via HDMI.




To Rollback your graphics card.

  1. Pressgraphics+X, Click on Device manager.
  2. Double click Display adapter, Select the Graphic device listed under it.
  3. Right Click on the Graphic device, Click on properties.
  4. Select the driver tab and select Roll back driver.
  5. Follow on screen instructions to complete the rollback process.

Roll back display Driver

Note: Rollback Driver option only available, If you have recently updated Graphics driver with the latest version.

Once you done with the above steps, Restart windows and try connecting the TV and check if it helps.

Update or Reinstall Display (Graphics) Driver

If Rollback driver option not available Then follow steps below to update display driver with the latest version. To do this

  • Press Windows + R, type devmgmt.msc and ok.
  • This will open Device manager, and list all installed driver list
  • Double click on Display drier, Select the Graphic device listed under it.
  • Right Click on the Graphic device, and select update driver
  • On next screen select search automatically for updated driver software.
  • Windows check for latest available display driver.
  • If found, Windows automatically download and install them for you.
  • After that restart windows and try to connect HDMI TV, Hope this helps.

search automatically for updated driver

Reinstall Graphics Driver

If windows update didn’t install any driver software, we recommend to manually reinstall display driver with the latest version. And to do this open device manager, Right click on installed graphics driver and select uninstall.

Restart windows to completely uninstall the driver software from your system. Now download the graphics card drivers from the graphics manufacturer website and then install them. Let us know this hlep or need more help? Also read Fix inaccessible boot device Error on windows 10 (Bug Check 0x0000007b)

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