CYAN SCREEN TEST — 30 Minutes 4K UHD | Dead Pixel & Display Diagnostics

Cyan Screen Test 4K in full-screen for dead pixels, color uniformity, and panel performance. 30-minute video for OLED, LED, and LCD displays. Quickly evaluate brightness consistency and display accuracy. 🛠 How to Use: 1. Play in 4K fullscreen. 2. Disable Sleep Mode / Screen Savers. 3. Watch for 30 minutes. 📊 Specs: Color: Cyan | 4K UHD | 30 Minutes | 30 FPS | Silent 🔗 Suite: ➜ "[4K] ⚡ QUICK 30-Minute Screen Tests (11 Colors)" Cyan Screen Test 4K | Dead Pixel & Panel Check | OLED LED LCD | Full-Screen Diagnostics | Color Uniformity