Screen Testing, Monitor Reviews & Hardware Technology Insights
How to use online screen test tools to check for dead pixels, bright pixels, and dark pixels, and determine backlight bleed levels through solid color and dark field images. Includes monitor test steps and common troubleshooting methods.
Detailed explanation of monitor refresh rate testing methods, using tools like UFO Test to judge ghosting, afterimage, and response time performance, helping gamers and designers verify screen dynamic display quality.
Introduction to HDR test images and video usage, as well as sRGB, DCI-P3, Adobe RGB color gamut detection techniques, helping you evaluate monitor color reproduction and high dynamic range performance.
Learn to calculate PPI based on monitor size and resolution, understand the relationship between clarity and viewing distance, and compile commonly used online screen test websites for one-stop screen testing, dead pixel testing, and refresh rate testing.
Detailed explanation of ghosting test methods, using the UFO Test online tool to observe ghosting and afterimages, understanding how response time (GTG, MPRT) affects monitor ghosting, with complete screen ghosting test steps.
In-depth analysis of monitor ghosting causes, including response time differences between VA, IPS, and TN panels, how Overdrive settings affect ghosting and artifacts, and how to reduce monitor ghosting through OSD adjustments.
For gamers, introducing how to reduce monitor ghosting and motion blur in games through G-Sync/FreeSync, Black Frame Insertion (BFI), and MPRT modes, improving dynamic clarity and monitor ghosting test performance.
Comparison of mainstream ghosting test tools and websites, including UFO Test, Blur Busters, TestUFO, etc., teaching you how to interpret ghosting test results, determine if a monitor is qualified, and summarizing online screen ghosting test methods.
Explaining HDR (High Dynamic Range) concepts from scratch, the differences between HDR10, Dolby Vision and other formats, and teaching you how to check monitor brightness, contrast, and color performance through HDR test videos and images.
Analyzing the pros and cons of HDR on/off in gaming, movie watching, daily office work, and design/photo editing scenarios, and using HDR tests to help you determine if your monitor is suitable for keeping HDR always on.
Compilation of common HDR setting issues, including gray colors after enabling HDR, reduced brightness, screen flickering, inability to enable HDR, etc., with step-by-step troubleshooting methods and HDR test verification steps.
Introduction to DisplayHDR certification standards, using HDR test signals, luminance meters and software tools to evaluate monitor peak brightness, black depth, color gamut coverage, and local dimming capability, completing a professional HDR test workflow.
Detailed explanation of screen tearing phenomenon, using TestUFO and online detection tools to observe tear lines, teaching you to determine if a monitor has screen tearing issues through moving vertical bars and high-speed scrolling images.
Explaining the causes of screen tearing: graphics card output frame rate not synchronized with monitor refresh rate, analyzing the role and latency cost of V-Sync, and confirming whether issues are resolved through screen tearing detection.
Comparing the principles and effects of G-Sync, FreeSync, and V-Sync anti-tearing technologies, guiding how to enable adaptive sync in drivers, and using screen tearing detection tools to verify differences before and after enabling.
Compilation of common screen tearing detection methods: TestUFO tearing test, built-in game benchmarks, frame-by-frame recording analysis, teaching you how to accurately determine if a monitor has screen tearing and its severity.
Teaching you how to use full black images for backlight bleed testing: observing light leakage at screen edges and corners through pure black images in a dark room environment, with complete screen backlight bleed test steps, photography tips, and precautions.
In-depth analysis of the difference between common IPS panel backlight bleed and backlight non-uniformity (glow spots), introducing how to judge through full black image bleed testing, and explaining normal range and detection standards for monitor backlight bleed.
Explaining the causes and industry standards of monitor backlight bleed, teaching you to perform screen backlight bleed tests under pure black images, determine if backlight bleed is a quality issue, and when to request returns or exchanges.
For portable devices like phones and laptops, introducing how to perform backlight bleed testing through full black images, pure black videos, and online screen test tools, helping you quickly complete screen backlight bleed tests upon delivery.
Introduction to the differences and coverage ranges of common color gamut standards such as sRGB, DCI-P3, Adobe RGB, and NTSC, teaching you how to determine if a monitor is entry-level, mainstream, or professional wide-gamut through screen color gamut testing.
Compilation of common monitor color gamut detection methods, including online color gamut test websites, free software like DisplayCAL, and hardware calibrators like Spyder/X-Rite, analyzing their accuracy, cost, and applicable scenarios.
Step-by-step screen color gamut testing: installing ICC profiles, setting up color management in Windows/macOS, using test images and software to verify color gamut coverage and color accuracy, and interpreting detection results.
Analyzing the advantages and pitfalls of wide-gamut monitors: high color gamut coverage but poor color accuracy leads to oversaturation, introducing how to also focus on ΔE color accuracy in color gamut detection, and providing monitor buying advice for design, gaming, and movie watching scenarios.
Detailed explanation of screen size calculation principles: how to calculate actual screen width and height based on diagonal inches and aspect ratio (16:9, 16:10, 21:9), and understanding the relationship between size and resolution through screen testing.
Providing a common monitor size comparison chart covering mainstream specifications like 24, 27, 32, and 34 inches, teaching you to choose the appropriate display size based on desk depth, resolution, and usage scenarios, and verifying display quality with screen tests.
Introduction to screen size calculation methods and online calculation tools, explaining PPI (pixels per inch) and Retina display standards, teaching you to judge screen clarity through monitor size and resolution, assisting with screen testing and purchasing.
Comparing screen size calculation method differences between phones, laptops, and desktop monitors, analyzing actual display area of same-size screens under different aspect ratios, and using screen size comparison charts to help you understand device screen specifications.
Introduction to basic screen dead pixel test methods, using red, green, blue, black, and white solid color images to detect bright pixels, dark pixels, and colored pixels, recommending online screen dead pixel test tools with complete monitor dead pixel test steps.
Analysis of monitor dead pixel test industry standards and manufacturer policies, explaining the allowed quantity range for bright pixels, dark pixels, and colored pixels, and teaching you how to determine if testing screen dead pixels meets return/exchange conditions.
For portable devices like phones and laptops, introducing methods to detect screen dead pixels using solid color images, magnifying glasses, and online tools, helping you quickly complete screen dead pixel tests upon delivery to avoid disputes.
Teaching you to distinguish between screen dead pixels, bright pixels, dark pixels, and surface dust, providing troubleshooting methods after monitor dead pixel testing, and discussing the feasibility of dead pixel repair (such as gentle pressure, software refresh), avoiding misjudgment and unnecessary returns.
Explaining the burn-in (image retention) phenomenon and its causes, distinguishing between OLED and LCD panel burn-in differences, teaching you to use solid color images, grayscale images, and online tools for burn-in detection, with complete screen burn-in test steps.
For OLED screen users, introducing specific burn-in detection methods (solid color images, video tests), and sharing practical tips to reduce burn-in risk: screen protection, brightness control, pixel refresh, etc.
Teaching you to distinguish permanent burn-in from temporary image retention, using online burn-in detection tools to observe pixel residue, and introducing image retention recovery methods (such as pixel refresh, playing dynamic videos) and judgment standards after burn-in testing.
Compilation of common burn-in scenarios for phones, TVs, and monitors (status bars, channel logos, navigation bars), introducing how to use burn-in detection images and online tools for screen burn-in testing, helping you quickly identify burn-in when inspecting second-hand devices.
Explaining what resolution means, introducing screen resolution calculation methods (pixel width × height), and calculating PPI through monitor size to help you understand the relationship between common resolutions and clarity.
Compilation of common resolution lists, analyzing the differences and applicable scenarios of 1080p, 2K, 4K resolutions, teaching you to determine if a monitor is suitable for office work, gaming, or design through screen resolution calculation.
Analyzing what resolution means for beginners, introducing the relationship between pixels, resolution, and screen size, providing screen resolution calculation methods and online calculation tool recommendations.
Discussing PPI performance of 4K resolution at different screen sizes, using monitor resolution calculation to determine if Retina display standards are met, and providing buying advice combined with common resolutions.
Using the UFO Test refresh rate testing tool to quickly verify the actual refresh rate of your monitor, and using frame rate testing to determine if the screen reaches 60Hz, 144Hz or higher refresh rates, with complete operating steps and result interpretation.
Detailed explanation of monitor refresh rate test methods, using UFO refresh rate testing and system settings to confirm the current refresh rate, comparing the dynamic smoothness differences between 60Hz, 144Hz, and 240Hz, and understanding the relationship between refresh rate and frame rate detection through frame rate testing.
Teaching you to confirm that the screen refresh rate has been switched to high refresh mode through in-game frame rate detection, system display settings, and graphics card control panel, and using UFO refresh rate testing tools to verify actual output, avoiding high refresh screens running at 60Hz.
Troubleshooting refresh rate detection anomalies: common reasons why monitor refresh rate tests show 60Hz, including HDMI/DP cable bandwidth, graphics card driver settings, system display settings, and in-game limits, with step-by-step solutions and frame rate test verification techniques.
Introduction to the basic screen color test process, using red, green, blue primary colors, color block tests, and grayscale images to check color reproduction, teaching you how to quickly determine if monitor colors are accurate through online color test tools.
Compilation of common monitor color test tools and websites, including color block tests, grayscale tests, gradient color tests, teaching you how to use these tools to judge screen color transitions, color casts, and color accuracy.
Explaining how to detect screen color uniformity through color block tests, identifying brightness non-uniformity, color casts, and local color differences, with complete screen color test steps and judgment standards.
Starting from color testing, introducing how to use color block tests and calibrators to discover screen color casts, and completing the full workflow from basic color testing to professional screen calibration, improving monitor color accuracy.
