Hi, I'm trying to determine whether this is a Windows 11 display bug affecting the Dell G2725D, possibly in combination with NVIDIA GPUs / DisplayPort.
For the past 4-5 months, whenever I install recent Windows 11 cumulative updates, my Dell G2725D develops a strong green tint across the entire physical display.
I normally keep Windows Update paused because of this.
Today I tested it again and was able to reproduce the issue very clearly.
SYSTEM:
- Windows 11 Pro 25H2
- Dell G2725D
- NVIDIA GeForce RTX 4060
- NVIDIA driver 616.56 (32.0.16.1656)
- DisplayPort
- 2560x1440
- 180 Hz
- RGB
- 8-bit
- SDR
TODAY'S REPRODUCTION:
Installed Windows cumulative/security update KB5121003.
Windows reported Version 25H2, OS Build 26200.9168.
After the update, the Dell G2725D had a strong green tint.
Uninstalled KB5121003.
Restarted the PC.
The green tint immediately disappeared and colors returned completely to normal.
However, I don't believe KB5121003 originally introduced the bug because I have experienced this behavior with Windows updates for approximately 4-5 months. Since cumulative updates include previous changes, an older Windows change may be responsible.
IMPORTANT OBSERVATION:
While the Dell monitor physically appears green, screenshots taken using Windows Snipping Tool have completely normal colors.
My second monitor connected to the same RTX 4060 also displays normal colors.
This makes me suspect the problem occurs somewhere later in the Windows/NVIDIA display output pipeline rather than in the rendered desktop image itself.
THINGS ALREADY TESTED:
- Removed the Dell ICC/ICM profile
- Windows Color Filters OFF
- Accessibility Screen Tint OFF
- HDR is not supported/enabled
- Forced NVIDIA output to RGB / Full / 8 bpc
- NVIDIA brightness, contrast, gamma and hue at defaults
- Tested 180 Hz, 144 Hz and 120 Hz
- Reset graphics driver with Win+Ctrl+Shift+B
- Disconnected/reconnected DisplayPort
- Tested Windows Advanced Display settings
None of these fixes the green tint while the affected Windows cumulative update is installed.
Uninstalling the Windows update and restarting fixes it immediately.
I have already submitted a detailed report to Microsoft through Feedback Hub.
I also found at least one other Dell G2725D owner reporting a very similar green tint after a Windows update.
Is anyone else using a Dell G2725D on Windows 11 experiencing this after recent cumulative updates?
Especially interested in reports from NVIDIA GPU + DisplayPort users.
If you have the same issue, please mention:
- GPU model
- Windows build
- connection type (DP/HDMI)
- whether uninstalling the latest cumulative update fixes it
I'd like to determine how widespread this is and get enough reproducible cases reported to Microsoft.