If the Ethernet adapter shows Network cable unplugged error with a red X, follow these suggestions to fix the issue on Windows 11/10.

How do I fix my monitor Input Signal Out of range? To fix a monitor input signal out of range problem adjust the computer’s resolution to a compatible setting with the display.

Ensure Proper Cable Connection Before diving into complex troubleshooting steps, ensure that the Ethernet cable is securely connected to both your computer and the router.