Published Knowledge

How to Check Video Cable Connections

Published Desktop Support Beginner 5 to 10 minutes

Reviewed knowledge

This article has been approved for use in Gnojo.

Overview

Help a reviewer support the Check Video Cable Connections step without changing the workflow automatically.

Troubleshooting Checklist

  1. Ensure the video cable (HDMI, DisplayPort, USB-C, VGA, DVI) is securely connected at both the computer's output port and the monitor's input port. If possible, try a different video cable or a different port on both the computer and monitor.

Common Indicators

  • Record the observed result and return to the originating workflow.

Related Topics

External Monitor Not Detected Displays

Knowledge Check

What should you do after completing this support step?

  • Record the result and return to the workflow
  • Make unrelated changes
  • Ignore the result

Official Sources and References

Computer Turns On But No Display: Troubleshoot Display Problems | Dell US | https://www.dell.com/support/contents/en-us/article/product-support/self-support-knowledgebase/monitor-screen-video/monitors-and-screens?msockid=21c3dc47de1365aa1680cabbdf13643f\nTroubleshooting blank screens in Windows - Microsoft Support

External technical reference

Open Source

Article Details

Article ID
how-to-check-video-cable-connections
Schema version
1.0
Review status
approved
Reviewed by
Gnojo reviewer
Reviewed at
2026-08-08T22:57:35.258279+00:00