pixels
4 min read
How to Test for Dead Pixels on Any Monitor
A complete step-by-step manual on how to clean your screen, configure fullscreen solid color fields, and inspect LCD, OLED, and mini-LED displays for dead pixels.
4 sectionsRead Guide
Knowledge Base• 15 Complete Engineering Guides
Display Diagnostic Guides
Learn how to accurately evaluate display panel defects, distinguish hardware flaws from inherent panel traits, optimize overdrive settings, and understand warranty replacement criteria.
pixels
4 min read
Dead Pixel vs. Stuck Pixel: Key Differences & Fixes
Learn how to differentiate dead, stuck, and hot pixels under magnification, why one can sometimes be fixed while the other cannot, and how return warranties apply.
3 sectionsRead Guide
motion
5 min read
What is Monitor Ghosting & How to Eliminate It
A comprehensive guide to understanding monitor ghosting, pixel response times (GtG), overdrive tuning, and how to eliminate trailing on IPS, VA, and OLED panels.
3 sectionsRead Guide
motion
4 min read
How to Test Monitor Refresh Rate & Frame Drops
Learn how browsers measure requestAnimationFrame intervals, how to verify whether your high-refresh monitor is truly running at 120Hz, 144Hz, or 240Hz, and how to fix frame skipping.
3 sectionsRead Guide
color
4 min read
Color Banding Test: Diagnosing Bit-Depth & Dithering
Learn why color banding occurs on gradients, how to distinguish test quantization steps from monitor panel banding, and how to verify 8-bit+FRC and 10-bit processing.
3 sectionsRead Guide
backlight
4 min read
What is Backlight Bleed & When Should You Return a Monitor?
Diagnose whether light escaping around the edges of your LCD screen is defective backlight bleed or acceptable panel tolerance.
2 sectionsRead Guide
backlight
3 min read
IPS Glow vs. Backlight Bleed: How to Tell the Difference
Discover the simple head-movement test that immediately reveals whether corner glow on your IPS monitor is normal IPS glow or returnable backlight bleed.
2 sectionsRead Guide
oled
5 min read
OLED Burn-In vs. Temporary Image Retention
Understand how OLED self-emissive subpixels wear down over time, why temporary image retention disappears after a compensation cycle, and how to protect your OLED.
3 sectionsRead Guide
oled
4 min read
How to Test OLED Uniformity & 5% Gray Banding
Learn why 5% gray is the definitive stress test for OLED displays, how to spot vertical banding, and when low-gray non-uniformity is normal.
2 sectionsRead Guide
mini-led
4 min read
What is Mini-LED Blooming & How Local Dimming Works
Learn why bright objects against dark backgrounds cause halos on Mini-LED displays, how zone counts impact blooming, and how to test for local dimming artifacts.
2 sectionsRead Guide
hdr
5 min read
How to Test an HDR Monitor in Your Browser
Learn how to verify if your browser and operating system are correctly passing HDR signals, how to test 10-bit gradients, and how to spot highlight clipping.
2 sectionsRead Guide
motion
5 min read
60Hz vs 120Hz vs 144Hz vs 240Hz: What Really Matters?
Compare 60Hz, 120Hz, 144Hz, and 240Hz frame times, understand how persistence blur decreases with refresh rate, and see visual comparisons.
2 sectionsRead Guide
motion
4 min read
Monitor Response Time Explained: GtG vs. MPRT
Learn the critical difference between Gray-to-Gray (GtG) response time and Moving Picture Response Time (MPRT), and why 1ms marketing claims are often misleading.
2 sectionsRead Guide
motion
4 min read
What is VRR? G-Sync, FreeSync & Variable Refresh Explained
Learn how Variable Refresh Rate (VRR) synchronizes your monitor refresh rate dynamically with your GPU frame output, eliminating tearing and stutter.
2 sectionsRead Guide
calibration
6 min read
How to Calibrate Your Monitor Without Hardware Tools
A complete step-by-step procedure to visually calibrate your computer monitor or laptop display using ScreenCheck reference charts and OSD controls.
4 sectionsRead Guide