If you meant something else by "active signal mode" (like a Windows feature or accessibility mode), clarify and I'll dive deeper.
refers to the actual video signal being sent from your computer's GPU to the monitor at this very moment .
For true HDR, you need:
If you set HDR on but see "8-bit" in active signal mode, you're getting dithered HDR, not true 10-bit.
Active Signal Mode in Windows 11 is a useful feature that can enhance the visual experience and provide more accurate color representation on compatible displays. While it may have some limitations, it's a great addition to the operating system, especially for creative professionals and those who value high-quality visuals. active signal mode windows 11
Active signal resolution and display scaling - Microsoft Q&A
Get-CimInstance -Namespace root/WMI -ClassName WmiMonitorBasicDisplayParams If you meant something else by "active signal
Here’s a deep, technical breakdown.
| Your goal | Desired active signal mode | |-----------|----------------------------| | Gaming (fast, sharp) | Same as desktop, max refresh, RGB | | HDR video/movies | 10-bit, YCbCr 4:2:2 or 4:4:4 | | Text / productivity | RGB, 8-bit (or 10-bit if monitor native) | | Legacy GPU scaling | Higher than desktop (e.g., 4K active / 1080p desktop) | Active Signal Mode in Windows 11 is a
4/5 stars
You find it here: Settings > System > Display > Advanced display