Monitor Test: Dead Pixels, Backlight Bleed, Burn-in & Ghosting Check
Comprehensive monitor test suite: check for dead pixels, backlight bleed, IPS glow, OLED burn-in & motion ghosting. Free diagnostics for all screens.
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Monitor Response Time Test - VA Smearing & Overdrive Optimization
A high-speed kinetic test for "Ghosting" and "Motion Blur". This test moves a high-contrast object at variable speeds (px/frame) to visually verify your monitor's pixel response time (GtG). Essential for competitive gamers to verify Overdrive settings and for cinema lovers to check for "Judder".
⚡ Understanding Response Time
Response time measures how quickly pixels change states. Look for:
- • Ghosting: Light trail behind moving objects (slow response)
- • Inverse ghosting: Dark trail ahead of moving objects (overdrive too high)
- • Clean edges: Sharp, well-defined moving object (excellent response)
📊 Response Time by Panel Type
- • TN panels: Fastest (1ms typical) - best for competitive gaming
- • IPS panels: Good (1-5ms) - balanced performance and color
- • VA panels: Slower (4-8ms) - best contrast, some dark scene smearing
- • OLED panels: Fastest (sub-1ms) - near-instant pixel response
🔗 Related Display Tests
More Advanced Tests
OLED & uniformity
Test for OLED burn-in and check display uniformity.
Pixel & Screen Tests
Find display defects
Check for dead pixels and stuck pixels with color cycling tests.
A high-speed kinetic test for "Ghosting" and "Motion Blur". This test moves a high-contrast object at variable speeds (px/frame) to visually verify your monitor's pixel response time (GtG). Essential for competitive gamers to verify Overdrive settings and for cinema lovers to check for "Judder".
How to Use Color Palette & Display Tester
The UFO Chase
Follow the moving white blocks with your eyes. • Sharp edges = Fast response (1ms). • Trail/Smear behind = Slow response (Ghosting). • Light trail IN FRONT = Overshoot (Inverse Ghosting).
Tuning Overdrive
Open your Monitor's OSD menu. Find "Overdrive" or "Trace Free". Adjust it up until you see a "Corona" (white halo) appear, then dial it back one step. That is your optimal gaming performance.
Calculator Features
Ghost Spotter
Clearly identifies trailing artifacts caused by slow gray-to-gray pixel transitions.
Motion Clarity Rating
Helps differentiate between a "1ms" Marketing claim and real-world motion performance.
Refresh Rate Validator
Verifies if your 144Hz monitor is actually dropping frames or running smoothly.
Complete Function List
- Horizontal Pursuit Camera Test:
- Ghosting/Smearing Detection:
- Inverse Ghosting (Corona) Check:
- Overdrive Optimization:
- Motion Blur Reduction (ULMB) Test:
- Refresh Rate Sync Check:
- Judder/Stutter Finder:
Common Calculations & Examples
Example 1: Why do I get dizzy in FPS games?
Problem: Fast camera movements make the environment look like a blurry mess.
Steps:
- Run Response Time Test.
- If the trail behind the square is longer than the square itself, your panel is too slow for fast gaming.
- Try enabling "Motion Blur Reduction" or "ULMB" in your monitor settings.
Explanation: Slow pixels smear the image during movement, causing "Sample-and-Hold" blur which confuses your inner ear.