What to do if the 'Check signal cable' message appears on my LG 42WL10MS Monitor?
- KKelly KingAug 18, 2025
If you see a 'Check signal cable' message, it means the connection between your PC and the monitor is not working. First, check the signal cable to ensure it's properly connected. If the issue persists, press the 'INPUT' menu on the remote control to verify the input signal.