L
Luis WhiteAug 10, 2025
What to do if my Lenovo ThinkVision C170 says 'CHECK SIGNAL CABLE'?
- KKristine FranklinAug 10, 2025
If your Lenovo monitor displays a 'CHECK SIGNAL CABLE' message and the power indicator is green, it means the monitor isn't receiving a video signal. Here's what to do: * Ensure the signal cable is firmly connected to the computer. * Check the signal cable connector for any bent pins.












