ScreenFix Lab

@UCj-93Bcg-gY0cLuxf9WPFCw - 107 subscribers

ScreenFix Lab provides simple visual and audio tools designed to help test, diagnose, and improve common display and sound issues on digital devices. On this channel, you’ll find: Screen test patterns Dead & stuck pixel helper videos Burn-in recovery tools Color and uniformity tests Speaker and headphone test sounds Basic audio cleaning and diagnostic tools All videos are created to be used as background utilities, not for entertainment. Simply play them in full screen or full volume and let them run as needed. ⚠️ Disclaimer: These videos are not guaranteed repairs. Results may vary depending on device type, panel technology, and usage conditions. ScreenFix Lab does not replace professional repair services. If you’re looking for practical, no-nonsense tools to help check or improve your device experience, you’re in the right place.

Home Videos Live Playlists

[8K UHD] Blue Color Contrast Test Pattern - Wide Range Display Calibration (1 Hour)

[8K UHD] Blue Color Contrast Test Pattern - Wide Range Display Calibration (1 Hour) ScreenFix Lab

44 views - 3 weeks ago

[8K UHD] White Level Screen Monitor TV Test Pattern - Calibrate Contrast for 1 Hour

[8K UHD] White Level Screen Monitor TV Test Pattern - Calibrate Contrast for 1 Hour ScreenFix Lab

99 views - 1 month ago

[8K UHD] Black Level Screen Monitor TV Test Pattern - Calibrate Contrast for 1 Hour

[8K UHD] Black Level Screen Monitor TV Test Pattern - Calibrate Contrast for 1 Hour ScreenFix Lab

176 views - 1 month ago

25% Gray Screen Test (1 Hour) | Shadow Detail, Gamma & Uniformity Check | 4K

25% Gray Screen Test (1 Hour) | Shadow Detail, Gamma & Uniformity Check | 4K ScreenFix Lab

163 views - 3 months ago

75% Gray Screen Test (1 Hour) | Bright Uniformity, Clouding & Backlight Bleed Check | 4K

75% Gray Screen Test (1 Hour) | Bright Uniformity, Clouding & Backlight Bleed Check | 4K ScreenFix Lab

170 views - 3 months ago

10% Gray Screen Test (1 Hour) | Dirty Screen Effect (DSE), Banding & Uniformity Check | 4K

10% Gray Screen Test (1 Hour) | Dirty Screen Effect (DSE), Banding & Uniformity Check | 4K ScreenFix Lab

321 views - 3 months ago

3% Gray Screen Test (1 Hour) | OLED Banding, Dirty Screen Effect & Panel Uniformity Check | 4K

3% Gray Screen Test (1 Hour) | OLED Banding, Dirty Screen Effect & Panel Uniformity Check | 4K ScreenFix Lab

218 views - 3 months ago

1% Gray Screen Test (1 Hour) | OLED Near-Black Banding & Uniformity Check | 4K

1% Gray Screen Test (1 Hour) | OLED Near-Black Banding & Uniformity Check | 4K ScreenFix Lab

474 views - 4 months ago

5% Gray Screen Test (1 Hour) | OLED Banding, Dirty Screen Effect & Uniformity Check | 4K

5% Gray Screen Test (1 Hour) | OLED Banding, Dirty Screen Effect & Uniformity Check | 4K ScreenFix Lab

2.2K views - 4 months ago

Vertical Banding & Dirty Screen Effect Test 4K (1 Hour) | Panel Uniformity Check

Vertical Banding & Dirty Screen Effect Test 4K (1 Hour) | Panel Uniformity Check ScreenFix Lab

253 views - 4 months ago

Fix Your HDR in 1 Hour — Ultimate HDR Calibration Test (4K Display Tool)

Fix Your HDR in 1 Hour — Ultimate HDR Calibration Test (4K Display Tool) ScreenFix Lab

534 views - 4 months ago

HDR Gradient & Tone Mapping Test (4K 60FPS) | Banding + Highlight Check

HDR Gradient & Tone Mapping Test (4K 60FPS) | Banding + Highlight Check ScreenFix Lab

466 views - 4 months ago

OLED ABL Stress Test ⚡ Check Brightness Drops & Stability (4K 60FPS)

OLED ABL Stress Test ⚡ Check Brightness Drops & Stability (4K 60FPS) ScreenFix Lab

215 views - 4 months ago

HDR Colors Washed Out? 🎨 Color Saturation & Skin Tone Test (4K 60FPS)

HDR Colors Washed Out? 🎨 Color Saturation & Skin Tone Test (4K 60FPS) ScreenFix Lab

240 views - 4 months ago

HDR Shadow Detail Test (4K 60FPS) | Fix Black Crush & Dark Scene Loss

HDR Shadow Detail Test (4K 60FPS) | Fix Black Crush & Dark Scene Loss ScreenFix Lab

2.8K views - 4 months ago

HDR Peak Brightness Test 🔆 Check Highlight Clipping & Tone Mapping (4K 60FPS)

HDR Peak Brightness Test 🔆 Check Highlight Clipping & Tone Mapping (4K 60FPS) ScreenFix Lab

280 views - 4 months ago

Near-Black HDR Test 🔴 Fix Black Crush & Shadow Detail (4K 60FPS Display Test)

Near-Black HDR Test 🔴 Fix Black Crush & Shadow Detail (4K 60FPS Display Test) ScreenFix Lab

996 views - 4 months ago

Is Your Audio Delayed? 🔴 Ultimate Lip Sync & Latency Test (Bluetooth & Soundbar)

Is Your Audio Delayed? 🔴 Ultimate Lip Sync & Latency Test (Bluetooth & Soundbar) ScreenFix Lab

171 views - 4 months ago

Is Your Screen Lying to You? 👁️ Text Clarity & Subpixel Test (4K 60FPS)

Is Your Screen Lying to You? 👁️ Text Clarity & Subpixel Test (4K 60FPS) ScreenFix Lab

163 views - 5 months ago

Dynamic Range Test 🔊 Quiet vs Loud | Is Your Audio Compressed? (1 Hour)

Dynamic Range Test 🔊 Quiet vs Loud | Is Your Audio Compressed? (1 Hour) ScreenFix Lab

71 views - 5 months ago

Speaker Phase & Polarity Test 🔊 Fix “No Bass” & Hollow Sound (1 Hour)

Speaker Phase & Polarity Test 🔊 Fix “No Bass” & Hollow Sound (1 Hour) ScreenFix Lab

38 views - 5 months ago

Left vs Right Stereo Sound Test 🎧 | Are Your Headphones Reversed? (1 Hour)

Left vs Right Stereo Sound Test 🎧 | Are Your Headphones Reversed? (1 Hour) ScreenFix Lab

192 views - 5 months ago

Ultimate Frequency Sweep (20Hz–20kHz) 🔊 Bass & Treble Speaker Test | 1 Hour

Ultimate Frequency Sweep (20Hz–20kHz) 🔊 Bass & Treble Speaker Test | 1 Hour ScreenFix Lab

2.8K views - 5 months ago

Real HDR Peak Brightness & Tone Mapping Test (0–10,000 Nits) | OLED Clipping Check

Real HDR Peak Brightness & Tone Mapping Test (0–10,000 Nits) | OLED Clipping Check ScreenFix Lab

301 views - 5 months ago

Can You Read the Bottom Line? 👁️ 4K TV & Monitor Text Clarity Test (Eye Exam)

Can You Read the Bottom Line? 👁️ 4K TV & Monitor Text Clarity Test (Eye Exam) ScreenFix Lab

279 views - 5 months ago

Greyscale Uniformity & Tinting Test (1 Hour) | OLED Pink/Green & Banding Check | 4K

Greyscale Uniformity & Tinting Test (1 Hour) | OLED Pink/Green & Banding Check | 4K ScreenFix Lab

449 views - 5 months ago

Screen Flicker Test ⚡ (1 Hour) | PWM Dimming, VRR & Pixel Inversion | 4K

Screen Flicker Test ⚡ (1 Hour) | PWM Dimming, VRR & Pixel Inversion | 4K ScreenFix Lab

258 views - 5 months ago

Sharpness & Overscan Test 📏 (1 Hour) | Fix Zoomed-In TV & White Halos | 4K

Sharpness & Overscan Test 📏 (1 Hour) | Fix Zoomed-In TV & White Halos | 4K ScreenFix Lab

439 views - 5 months ago

Stuck Pixel REPAIR Tool 🛠️ Rapid Flashing Fix for Monitor, Laptop & TV (1 Hour)

Stuck Pixel REPAIR Tool 🛠️ Rapid Flashing Fix for Monitor, Laptop & TV (1 Hour) ScreenFix Lab

200 views - 5 months ago

White Saturation & Clipping Test ☁️ (1 Hour) | Fix Washed Out Screens | 4K

White Saturation & Clipping Test ☁️ (1 Hour) | Fix Washed Out Screens | 4K ScreenFix Lab

166 views - 5 months ago

Is Your Text Blurry? 🔴 RGB Chroma 4:4:4 Test (1 Hour) | TV & Monitor Fix

Is Your Text Blurry? 🔴 RGB Chroma 4:4:4 Test (1 Hour) | TV & Monitor Fix ScreenFix Lab

158 views - 5 months ago

Input Lag Test ⚡ (1 Hour) | Measure TV & Monitor Delay (Frame-Locked) | 4K 60FPS

Input Lag Test ⚡ (1 Hour) | Measure TV & Monitor Delay (Frame-Locked) | 4K 60FPS ScreenFix Lab

125 views - 5 months ago

Local Dimming & Blooming Test 🌌 (1 Hour) | Mini-LED, IPS & FALD Halo Check | 4K

Local Dimming & Blooming Test 🌌 (1 Hour) | Mini-LED, IPS & FALD Halo Check | 4K ScreenFix Lab

868 views - 5 months ago

Frame Skipping Test ⚡ (1 Hour) | 144Hz, 165Hz, 240Hz Monitor Stability | 60FPS Reference

Frame Skipping Test ⚡ (1 Hour) | 144Hz, 165Hz, 240Hz Monitor Stability | 60FPS Reference ScreenFix Lab

306 views - 5 months ago

Black Crush Test 🌑 (1 Hour) | Can You See Shadow Details? | OLED & TV Check 4K

Black Crush Test 🌑 (1 Hour) | Can You See Shadow Details? | OLED & TV Check 4K ScreenFix Lab

2.1K views - 5 months ago

OLED Banding & Dirty Screen Test (1 Hour) | 1% 5% 10% 20% 50% Gray Uniformity | 4K

OLED Banding & Dirty Screen Test (1 Hour) | 1% 5% 10% 20% 50% Gray Uniformity | 4K ScreenFix Lab

1.8K views - 5 months ago

Motion Blur & Ghosting Test 🛸 (1 Hour) | Is Your Monitor Too Slow? | 4K 60FPS

Motion Blur & Ghosting Test 🛸 (1 Hour) | Is Your Monitor Too Slow? | 4K 60FPS ScreenFix Lab

584 views - 5 months ago

Smooth Gradient & Color Banding Test 🎨 (1 Hour) | Does Your Screen Show Banding? | 4K 60FPS

Smooth Gradient & Color Banding Test 🎨 (1 Hour) | Does Your Screen Show Banding? | 4K 60FPS ScreenFix Lab

1K views - 5 months ago

1-Minute Monitor Test ⚡ Is Your Screen OK? | Dead Pixel & Glow Check

1-Minute Monitor Test ⚡ Is Your Screen OK? | Dead Pixel & Glow Check ScreenFix Lab

297 views - 5 months ago

Left Right Audio Test 🎧 | Headphone & Speaker Stereo Check (1 Minute)

Left Right Audio Test 🎧 | Headphone & Speaker Stereo Check (1 Minute) ScreenFix Lab

184 views - 5 months ago

2-Minute Monitor Test ⚡ Is Your Screen OK? | Dead Pixels, Glow & Banding

2-Minute Monitor Test ⚡ Is Your Screen OK? | Dead Pixels, Glow & Banding ScreenFix Lab

593 views - 5 months ago

OLED Screen Burn-In 🔥 & Image Retention Fixer? | 1 Hour Pixel Refresh Loop | 4K 60FPS

OLED Screen Burn-In 🔥 & Image Retention Fixer? | 1 Hour Pixel Refresh Loop | 4K 60FPS ScreenFix Lab

945 views - 5 months ago

🎯 OLED Burn-In Logo Test (1 Hour) | Image Retention Check | 4K ScreenFix Lab

896 views - 5 months ago

IPS Glow & Backlight Bleed Test (1 Hour) | Near Black Screen | Monitor Test 4K

IPS Glow & Backlight Bleed Test (1 Hour) | Near Black Screen | Monitor Test 4K ScreenFix Lab

1.4K views - 6 months ago

White Noise Screen (1 Hour) – TV Static Pixel Refresh & Display Test | 4K

White Noise Screen (1 Hour) – TV Static Pixel Refresh & Display Test | 4K ScreenFix Lab

556 views - 6 months ago

Full Blue Screen Test (1 Hour) – Dead Pixel & Stuck Pixel Check | 4K

Full Blue Screen Test (1 Hour) – Dead Pixel & Stuck Pixel Check | 4K ScreenFix Lab

369 views - 6 months ago

Full Red Screen (1 Hour) | Dead & Stuck Pixel Test | Subpixel Check | 4K

Full Red Screen (1 Hour) | Dead & Stuck Pixel Test | Subpixel Check | 4K ScreenFix Lab

366 views - 6 months ago

Full White Screen (1 Hour) | Monitor Cleaning Light & Screen Flashlight | 4K

Full White Screen (1 Hour) | Monitor Cleaning Light & Screen Flashlight | 4K ScreenFix Lab

21 views - 6 months ago

Full Black Screen (1 Hour) | OLED & LCD Black Level Test & Backlight Test | 4K

Full Black Screen (1 Hour) | OLED & LCD Black Level Test & Backlight Test | 4K ScreenFix Lab

2K views - 6 months ago

Full Green Screen Test (1 Hour) – Stuck Pixel Check | Monitor & TV Calibration | 4K

Full Green Screen Test (1 Hour) – Stuck Pixel Check | Monitor & TV Calibration | 4K ScreenFix Lab

525 views - 6 months ago

Stuck Pixel Fixer (Flashing Colors) – Try This First! | Dead Pixel Repair Test | 1 Hour

Stuck Pixel Fixer (Flashing Colors) – Try This First! | Dead Pixel Repair Test | 1 Hour ScreenFix Lab

1.3K views - 6 months ago

25% Gray Screen Test (Dark Gray) – 1 Hour | Shadow Detail & Black Crush | 4K

25% Gray Screen Test (Dark Gray) – 1 Hour | Shadow Detail & Black Crush | 4K ScreenFix Lab

1.4K views - 6 months ago

75% Gray Screen Test (Light Gray) – 1 Hour | Bright Uniformity & Calibration Check | 4K

75% Gray Screen Test (Light Gray) – 1 Hour | Bright Uniformity & Calibration Check | 4K ScreenFix Lab

659 views - 6 months ago

50% Gray Screen Test (1 Hour) – Dirty Screen Effect, Banding & Uniformity | 4K

50% Gray Screen Test (1 Hour) – Dirty Screen Effect, Banding & Uniformity | 4K ScreenFix Lab

3K views - 6 months ago

Pure Black Screen (1 Hour) – OLED Sleep, Battery Saver & Backlight Bleed Test | 4K

Pure Black Screen (1 Hour) – OLED Sleep, Battery Saver & Backlight Bleed Test | 4K ScreenFix Lab

2.3K views - 6 months ago

Full White Screen (1 Hour) - Monitor Cleaning Light & Screen Test | 4K

Full White Screen (1 Hour) - Monitor Cleaning Light & Screen Test | 4K ScreenFix Lab

1.7K views - 6 months ago

Dead Pixel Test & Screen Problem Check (1 Hour) | Laptop, OLED & Monitor Diagnostic

Dead Pixel Test & Screen Problem Check (1 Hour) | Laptop, OLED & Monitor Diagnostic ScreenFix Lab

19K views - 6 months ago