Webcam Flickering and Showing Horizontal Lines Windows 11 Fix [2026]

Quick Answer: Webcam flickering due to light frequency mismatch. Change camera app settings to 50Hz or 60Hz anti-flicker mode to match your region.

Fix

Change Anti-Flicker

Camera app → Settings → Anti-flicker → Set to 50Hz (Europe) or 60Hz (Americas)

Update Camera Driver

Device Manager → Cameras → Update driver

Check USB Bandwidth

Move camera to different USB port away from high-bandwidth devices.

How Againly Helps

Againly runs check_display_topology to detect camera interference.

[CTA: Try free diagnosis]

Instant Resolution

Fix this problem in 46 seconds

Stop wrestling with registry keys and driver settings. Let Againly automate the fix for you right now.

Download Againly Free →

Works on Windows 10 & 11 • No credit card required