How to Fix HDMI Display and Sound Problems in Windows 11
Fix your computer when it is connected to an HDMI cable,
but the screen display and sound are not working correctly.
Disconnect and then reconnect the HDMI cable to reset the connection.
Disconnect the HDMI cable from the notebook.
Disconnect the HDMI cable from the monitor.
Compare the HDMI connector to the HDMI port.
The connector on the cable must match the port.
Connect the HDMI cable to the port on the notebook.
Connect the HDMI cable to the port on the monitor.
If the display or sound still does not work correctly,
continue to the next step.
On your computer,
configure the sound settings for the HDMI sound output.
Select Start,
type Sound Settings, and then select it from the results.
Select More sound settings.
Select the connected monitor,
and then select Set Default.
Select Properties, and then select the Levels tab.
Set the monitor volume to at least 75, and then select OK.
If changing the sound settings and volume do not resolve the problem,
continue to the next step.
Run the Windows troubleshooter to automatically diagnose and fix the issue.
Select Start,
type Audio Troubleshooter,
and then select Find and fix problems with playing sound from the results.
In the Playing Audio window, select Next.
If your computer has multiple HDMI outputs connected,
select the connection to troubleshoot, and then select Next.
Read and respond to the onscreen prompts to troubleshoot the HDMI connection.
If the troubleshooter completes but does not resolve the issue,
select Close, and then continue to the next step.
Reset the computer to attempt to resolve display or sound issues on HDMI connections.
Shut down the computer
and then disconnect any cables, including the power cable.
Press and hold the power key for 15 seconds,
and then reconnect the power adapter to the laptop and a wall outlet.
Press the power key to turn on the computer.
If resetting the computer did not resolve the problem, continue to the next step.
Update the display and sound drivers in Device Manager.
Connect your computer to the internet for best results.
Select Start,
type Device Manager, and then select it from the results.
Expand Sound, video and game controllers.
and then right-click the High-Definition Audio device.
Select Update driver,
and then select Search automatically for updated driver software.
Search for updates using Windows update
Windows searches the computer and internet for an updated driver,
and then installs one if available.
Restart the computer, and then check the HDMI connection again.
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