It reduces the clutter of too many wires with 3.5mm RCA cables.
A USB connection requires two connections.
One for display and other for audio.
AnHDMI connectionmakes it easy to connect a Windows 11 PC to an external monitor.
The crystal clear sound is another benefit of HDMI.
For some naughty reason Windows 11 may not detect the HDMI monitor.
In such cases, you might use this check-list to confirm if the hardware is working.
Detect all displays inWindows 11 display prefs.
Make the right display as the main screen.
You should now be able to see the picture on the TV.
Detecting the second monitor can be done by usingSettings > Display.
Graphics driver on the computer should be updated.
You have to make some changes in the Display controls.
The tweaks window has many display options to set refresh rate and display orientation as well.
Fix #3 Use Project Options
PressWin + Pkeys together to open theProject options.
This is to make the right display the default AV unit.
The following options are available.
In most cases, the first one is chosen as default.
It will display the Windows 11 computer screen on your monitor.
In addition you might see the optional updates.
These are related to external units, display and audio devices.
punch the arrow againstAdvanced Options.
Under the Additional options section, it’s possible for you to seeOptional updates.
poke the arrow against it.
Download and Install them and reset your setup.
This can be an inherent problem in the OS or compatibility problem with TV and updates.
Roll back the driver if its causing issue.
Go toWindows Update > Update historyand scroll through to get to Related tweaks.
Below thatUninstall updatesoption is available.
Fix #6 Use System Troubleshooter to automatically fix problems
Go toSystem > Troubleshoot > Other troubleshooters.
There are various troubleshooters like Program Compatibility Troubleshooter, Power, online grid adapter etc.
Update display drivers using the graphics cards website or gadget Manager in Windows 11.
It can fix any display adapter problems.
Image Source:How to Add and Use a Second Monitor in Windows 11 and Windows 10 Microsoft Community
