Professional Online Display & Screen Diagnostic Suite
Diagnose your laptop screen, desktop gaming monitor, OLED TV, or external display panel with our comprehensive browser-based display test suite. These specialized tools evaluate physical hardware properties including liquid crystal response times, pixel integrity, light guide panel bleed, backlighting uniformity, and wide color gamut accuracy without requiring any software installations.
All Display Tests
100% Free • In-BrowserDead Pixel Test
8,100 (KD 26)Check for dead, stuck, or hot pixels across 10 solid colors with zoom grid.
Stuck Pixel Fixer
1,300Unstick stubborn pixels using rapid subpixel RGB noise cycling.
Refresh Rate Test
2,400 (KD 24)Accurately measure your monitor's true refresh rate snapped to 60/144/240/360 Hz.
UFO Test (Ghosting & Motion Blur)
8,100 (KD 19)Test motion blur and ghosting trails at 480, 960, and 1440 px/s with pursuit pattern.
Frame Skipping Test
480Detect dropped frames on overclocked or high-Hz monitors with high-speed camera grid.
Backlight Bleed Test
480Distinguish between IPS glow and actual display backlight bleed in pure black fullscreen.
Screen Uniformity Test
390 (KD 1)Inspect panel luminance uniformity and dirty screen effect across 5%, 25%, 50% grey.
White Screen
550,000 (KD 27)Fullscreen white screen for display inspection, room lighting, cleaning, and photo fill light.
Black Screen
450,000 (KD 67)Fullscreen pure black screen with auto-hide cursor, optional clock, and OLED backlight inspection.
Colour Screens
22,200 (KD 27)Fullscreen pure color screens (red, green, blue, yellow, pink, custom hex) with instant toggle.
Spacebar Clicker
201,000 (KD 39)Test your spacebar speed and CPS across 5/10/30/60s modes; flags double-registering switches.
Screen Resolution Checker
3,600Check screen width, viewport dimensions, DPR scale factor, and color depth.
HDR Test
1,300 (KD 17)Verify High Dynamic Range support and wide color gamut (P3/Rec2020) color spaces.
OLED Burn-in Test
590Spot permanent burn-in and image retention on OLED and AMOLED panels.
Touch Screen Test
2,400 (KD 16)Test multi-touch points, pointer accuracy, and trace grid for digitizer dead zones.
Monitor Test (all-in-one)
2,400Sequential all-in-one display suite testing pixels, uniformity, gamma, contrast, and color banding.
Why Test Your Monitor or Laptop Screen?
Display panels are among the most fragile and defect-prone hardware components in personal computers. Whether purchasing a brand-new laptop, unboxing an expensive high-refresh gaming monitor, or inspecting a second-hand MacBook from a marketplace, undetected manufacturing imperfections like stuck subpixels, severe backlight bleeding along bezel edges, or aggressive dirty screen effect (DSE) can severely degrade your daily visual experience. Most manufacturers maintain specific pixel return policies within the first 7 to 14 days of delivery, making immediate display testing essential.
Browser-Based Display Diagnostic Methodology
Our display testing tools interface directly with modern HTML5 Canvas, the W3C Screen Orientation API, and High Dynamic Range CSS media queries. The Dead Pixel Test cycles through ten reference primary and secondary colors in distraction-free fullscreen mode, isolating red, green, and blue subpixels to pinpoint defective transistors. Motion blur and response times are benchmarked using calibrated UFO patterns at speeds up to 1440 pixels per second, while frame skipping tests reveal if overclocked gaming monitors drop frames under high-Hz refresh loads.
Distinguishing Hardware Faults From Panel Characteristics
A critical advantage of LaptopXray is educating users on the difference between acceptable panel technology traits and genuine hardware defects. For instance, in-plane switching (IPS) panels naturally exhibit subtle off-axis glow that shifts as your viewing perspective moves. In contrast, genuine backlight bleed originates from pinched chassis bezels or uneven adhesive pressure, remaining fixed regardless of viewing angle. Use our dedicated Backlight Bleed, Screen Uniformity, and White/Black Screen utilities to inspect your display in optimal darkroom conditions before your warranty window closes.