Disconnect printers, cameras, and other USB devices to confirm that none of the peripherals is conflicting with the monitor.

Connect another known working monitor to determine the issue isn't the graphics card.

Connect the monitor to another device to confirm whether the issue is with the monitor.

Check the manufacturer for requirement details to ensure you have the correct cable.

DisplayPort and HDMI cables have different variations.

Change ports if the monitor and graphics card have different ports.

Connect a different video cable to discard a problem with the cable.

Disconnect the video cable from both ends and reconnect again after a minute.

Locate the display controls and switch to the correct input port.

Confirm the signal cable connection between the computer and monitor.

Power off the computer and restart to refresh the connection.

Check that the monitor is plugged into a power source.

Scroll down and click the Run button for Network Adapter.

In the System tab, go to Troubleshoot > Other Troubleshooters.

If the issues persist, run the Network Adapter troubleshooter. Apply the fixes and check for any improvements. The troubleshooter will scan the system for issues and recommend potential fixes.

Click on Troubleshoot my connection to the Internet.

Windows will launch the troubleshooter and show the issues for which Windows can troubleshoot.

Click the Run button for Internet Connections.

Under Options, click on Other troubleshooters.

In the right pane, scroll down and click on Troubleshoot.

To run the Internet Connection troubleshooter: You can run the Internet Connection troubleshooter to scan the system for common problems and fix them automatically. Windows 11 provides built-in troubleshooters to fix common issues with computer peripherals and network devices.

Hp laptop win 11