Color Test Progress
Red
1 / 5
Mark any issues (optional):
←→ or Click to navigateESC to finish

Welcome to Monitor Health Check!

Let's take a quick tour of the key features

Choose Your Test Mode

Select from three test depths:

  • Quick - 5 colors, ~2 minutes
  • Standard - 10 colors, ~5 minutes (recommended)
  • Professional - 16 colors, ~10 minutes

Mark Problems During Testing

While testing, use the control panel to mark any issues you find:

Dead Pixels
Bright Spots
Uniformity Issues
Backlight Bleed

Track Your Test History

Your last 20 tests are automatically saved! View them anytime by clicking "View History" to:

  • Review past test results
  • Compare multiple tests
  • Re-generate PDF reports
  • Export data as JSON

Test History

Your last 20 monitor tests

15,200+
Reports Generated
600+
Daily Users
52
Countries
98%
Satisfaction
B2B PROFESSIONAL TOOL

Monitor Health Check

Generate professional PDF certificates for refurbished monitors. Document dead pixel tests and color accuracy for your clients.

1
Monitor Info
2
Testing
3
Results

Monitor Information

Enter the monitor details to be included in the certification report.

Quick and Standard modes test primary colors. Professional mode includes grayscale and advanced patterns.

Run Visual Test

Test Instructions

  • Click "Start Test" to enter fullscreen mode
  • Use Arrow Keys or Click to cycle through test colors
  • Check for dead pixels, color uniformity, and backlight bleed
  • Press ESC when testing is complete

Test Colors:

Red
Green
Blue
White
Black

Generate Report

Test Completed Successfully

All visual inspections passed

Your PDF Report Will Include:

  • Monitor brand, model, and serial number
  • Test completion date and time
  • Visual test status: PASSED
  • Technician information (if provided)
  • Professional formatting for B2B use
💡

Need a bright screen instead?

Try our White Screen Tool for professional lighting, screen cleaning, and backlight uniformity testing.

Perfect for video calls, photography, and monitor quality checks.

Why Use Monitor Health Check?

B2B Equipment Management

Businesses managing large monitor fleets need systematic quality assurance to maintain productivity and prevent workflow disruptions. IT departments use comprehensive monitor health checks to identify failing displays before they impact employee work. Design agencies, video production studios, and architecture firms require consistent monitor quality across teams to ensure collaborative work maintains color and quality standards. This tool provides a standardized report format that can be shared with management, procurement, or warranty departments to justify replacements or repairs. Regular testing helps establish equipment lifecycle budgets and replacement schedules based on actual performance degradation rather than arbitrary timelines.

Pre-Purchase Validation

When buying expensive professional monitors ($500-$5000+), you need objective quality validation beyond marketing claims. Use this comprehensive health check immediately upon receiving a new monitor to document its baseline condition. Testing within the return window (typically 30 days) helps catch manufacturing defects, excessive backlight bleeding, dead pixels, or uniformity issues that may not be immediately obvious in normal use. This creates documented evidence for warranty claims or returns. Professional buyers can compare multiple units side-by-side using standardized reports to select the best panel from a batch—common practice in color-critical industries.

Warranty Claims & Documentation

Monitor manufacturers often dispute warranty claims without objective testing evidence. This tool generates professional reports documenting specific defects like dead pixels, stuck pixels, backlight bleeding severity, or uniformity failures. The comprehensive test suite covers all common failure modes, providing evidence that meets manufacturer warranty requirements. Many premium monitors include "zero bright pixel" guarantees or uniformity specifications that can be validated with this tool. Having dated test reports from initial purchase through failure helps establish degradation timelines for warranty negotiations. Some enterprises require documented testing as part of vendor SLAs (Service Level Agreements).

Performance Degradation Tracking

Professional monitors degrade over time through backlight aging, panel burn-in, driver failures, and color shift. Regular health checks (monthly or quarterly) establish performance baselines and track degradation rates. This helps predict failures before they occur, allowing proactive replacement scheduling that minimizes disruption. Color-critical workflows like photo retouching or video color grading require monitors maintained within tight tolerances—regular testing ensures your display hasn't drifted beyond acceptable limits. Understanding normal degradation patterns helps distinguish between acceptable aging and defective components requiring warranty claims.

How to Use Monitor Health Check

1. Preparation

  • Clean your screen thoroughly
  • Allow 30-60 minute warm-up period
  • Reset monitor settings to factory defaults
  • Test in a dark or dimly lit room
  • Close background applications

2. Run Complete Test Suite

  • Pixel tests: Dead pixel and stuck pixel detection
  • Uniformity: Brightness and color consistency
  • Color accuracy: Primary color display
  • Contrast: Grayscale detail and dynamic range
  • Gradient: Banding and posterization

3. Generate & Save Report

  • Complete all test sections
  • Download PDF report for records
  • Note monitor make/model and serial number
  • Save reports chronologically for tracking

4. Take Action

Use results to decide: Continue monitoring (minor issues), Contact manufacturer (warranty claim), Replace monitor (significant degradation), or Calibrate (color drift within correctable range).