You can change the Screen or Display Resolution in Windows 11/10 using Settings, PowerShell, HRC, QRes command-line or this QRes script.

No video or wonky picture on your second or third monitor? Here’s our troubleshooting and repair guide for some of the most common multi-screen issues.

You can effectively fix Mode Not Supported, Resolution not supported monitor error on Windows 11/10 PC, by following these solutions.

Also, for more details on resolutions, HiDPI, and the benefits of higher resolutions when editing video, be sure to check out our post on the value of a 4K display for MacBook owners.

Horizontal lines may indicate overheating, physical damage, or a screen resolution issue. To fix the issue, check the monitor connection and resolution, and remove any magnets nearby.