A dual-monitor set-up can help to increase productivity, but what if your second screen isn't being detected? Here's what to try to fix the problem.

If the second monitor is on, but there is no display on a Windows PC, the issue might be with your cable. Use these fixes to resolve the issue.

How to Fix Second-Monitor Problems on Windows and macOS Follow the steps below to diagnose and fix the cause of these malfunctions.

How-to On Windows 10 and 11, you can use these steps to fix a second monitor not detected on your PC, and here's how. Computing Global PC shipments rose sharply in Q1 2025, driven by the end of ...