Symptoms
- Whites and light colors look pink or purple instead of neutral
- Tint changes or flickers when the cable is moved
- Problem is worse on one input (HDMI vs DisplayPort) than another
- Tint appeared suddenly rather than gradually
Likely causes
- CommonLoose or damaged video cable affecting one color channelHDMI and DisplayPort cables carry separate color signal lines; a partial fault can shift color balance.
- CommonColor settings or a color channel adjustment changed in the monitor menuManually or accidentally adjusted RGB sliders in the monitor's picture settings can cause a color cast.
- PossibleGraphics driver color settings misconfiguredGPU control panel color balance settings affect the whole display output.
- Less commonFailing backlight component (rare, more common on older monitors)A failing color-related backlight element can shift the whole screen's tint permanently.
What to do
- Reseat the video cable at both ends and try a different cable if the tint changes when the cable is moved.
- Open the monitor's on-screen menu, find the color/RGB settings, and reset to factory defaults.
- Check the graphics driver's color settings (NVIDIA, AMD, Intel control panel) and reset hue/saturation/gamma to default.
- Test the monitor's own built-in menu screen (which doesn't need a PC signal) to see if the tint is present there too.
- Try a different input (switch from HDMI to DisplayPort or vice versa) to isolate whether it's cable- or port-specific.
- Test the monitor on another computer to rule out a graphics card issue on your current PC.
Tools and parts
- None
Replacement video cableSearch: “HDMI or DisplayPort cable”
When to call a pro
If the tint persists in the monitor's own menu screen across different cables, inputs, and computers, the panel or backlight itself is likely at fault and needs professional evaluation or replacement.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.