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The Test Your Device Blog

Current news, explainers and troubleshooting on the hardware you actually use — monitors, mice, keyboards, controllers, webcams and microphones — each tied to a free test you can run right in your browser. Updated regularly with what is changing in 2026.

PerformanceBack-to-School Typing: What WPM You Actually Need in 2026Heading back to school or work? Here are realistic typing-speed targets for 2026, why accuracy beats raw speed, and how to measure where you stand.July 8, 2026 PerformanceLow Sensitivity, High Skill: Why Pros Use Low DPI in 2026Most FPS pros use surprisingly low sensitivity. Here is why lower sens improves consistency, how eDPI works, and how to find your setting in 2026.July 6, 2026 PerformanceDoes 500Hz Actually Improve Your Reaction Time? The Input-Lag TruthHigh-refresh monitors lower your measured reaction time — but not because you got faster. Here is what refresh rate really does to input lag in 2026.July 5, 2026 PerformanceDLSS 4 and “Fake Frames”: Why Your FPS Counter Can Lie in 2026Frame generation makes your FPS counter jump, but those numbers hide input lag. Here is how DLSS 4 and FSR 4 really affect performance in 2026.July 2, 2026 Displays500Hz OLED Monitors Are Here — Can You Actually See the Difference?2026 brought a wave of 500Hz QD-OLED gaming monitors. Here is what that refresh rate really buys you, and whether your eyes and GPU can keep up.July 1, 2026 DisplaysBuying a Used Monitor This Sale Season? The 5-Minute Test ChecklistSecond-hand and open-box monitors are great value in 2026 — if you test them properly. Here is the five-minute checklist that catches the expensive faults.June 28, 2026 DisplaysHDMI 2.2 and Ultra96 Cables: Do You Actually Need One in 2026?HDMI 2.2 doubles bandwidth to 96Gbps with new Ultra96 cables. Here is what it unlocks, the branding trap to avoid, and whether you need it yet.June 24, 2026 DisplaysDual-Mode Monitors: 4K at 240Hz or 1080p at 480Hz, ExplainedDual-mode OLED monitors let you switch between a sharp 4K 240Hz mode and a blazing 1080p 480Hz mode. Here is how they work and who they are for.June 20, 2026 PerformanceHow Fast Do Programmers Type? Speed vs Accuracy for Coders in 2026Do coders need to type fast? Here is what actually matters for programming in the AI-assistant era, and realistic WPM targets for developers in 2026.June 18, 2026 PerformanceAim Training in the 8000Hz Era: Do High Polling and 500Hz Really Help?8000Hz mice and 500Hz monitors promise better aim. Here is what actually improves your accuracy in 2026 — and what is just spec-sheet noise.June 15, 2026 DisplaysYour New 240Hz Monitor Still Tears? VRR, G-Sync and FreeSync in 2026Screen tearing on a fast monitor usually means variable refresh is off or misconfigured. Here is how G-Sync, FreeSync and VRR fix it in 2026.June 11, 2026 KeyboardsHall Effect Keyboards and Rapid Trigger: What the 2026 Hype Actually MeansMagnetic Hall effect keyboards with rapid trigger and adjustable actuation are everywhere in 2026. Here is what those features really do for gaming and typing.June 8, 2026 AccessibilityColorblind Modes in Games Have Gotten Good — Here's How to Set YoursModern games offer proper colorblind presets and strength sliders. Here is how to pick the right one for your type of color vision deficiency in 2026.June 3, 2026 WindowsWindows 11 25H2 No Sound? The Speaker and Driver Fix ListLost audio after Windows 11 25H2? The update swaps drivers and resets output devices. Here is the fix order to get your speakers working again.May 27, 2026 ControllersSwitch 2 Joy-Con Drift Is Back: Why Nintendo Skipped Hall Effect AgainTeardowns confirm the Switch 2 uses the same drift-prone potentiometer sticks. Here is why, what your options are, and how to test for early drift.May 20, 2026 KeyboardsSnap Tap Is Banned in CS2 but Not Valorant: Keyboard Rules in 2026Snap Tap and SOCD are banned on Valve servers but allowed in Valorant. Here is what is banned, what is fine, and how to keep your keyboard match-legal.May 15, 2026 WindowsWindows 11 25H2 Broke My Microphone: The Complete 2026 Fix ListWindows 11 25H2 keeps flipping mic permissions and swapping audio drivers. Here is the fix order that actually gets your microphone working again.May 12, 2026 DisplaysZero-Bright-Pixel Guarantees: Monitor Dead-Pixel Policies in 2026How many dead pixels are you allowed before a replacement? Here is how 2026 dead-pixel policies work and why testing in your return window is essential.May 8, 2026 DisplaysOLED Burn-In vs Dead Pixels: How to Check a New OLED Monitor in 2026OLED monitors are mainstream now, but they bring different risks than LCD. Here is how to check a new OLED for dead pixels, and the truth about burn-in in 2026.May 5, 2026 Displays4K vs 1440p in 2026: Does AI Upscaling Change the Answer?AI upscaling lets weaker GPUs drive 4K, blurring the old 4K-vs-1440p debate. Here is how to choose a resolution in 2026 and why native still matters.May 1, 2026 PerformanceReaction Time, Caffeine and Warm-Ups: What Actually Works Before You QueueCan you sharpen your reaction time before a match? Here is what genuinely helps in 2026 — sleep, warm-ups, caffeine in moderation — and what is a myth.April 30, 2026 AudioWhy Your Mic Works in Discord but Not Zoom (2026 Guide)If your microphone is fine in one app but silent in another, the fault is almost never the mic. Here is how to fix per-app audio in 2026.April 28, 2026 TouchscreenGhost Touches From a Cheap Charger? The 2026 Touchscreen GuidePhantom taps on your touchscreen are often caused by a cheap charger, not a broken screen. Here is how to diagnose and fix ghost touches in 2026.April 22, 2026 AudioBluetooth LE Audio and Auracast: The Quiet Upgrade to Your HeadphonesLE Audio and Auracast are finally rolling out on headphones and phones. Here is what the LC3 codec and broadcast audio change for quality and latency.April 15, 2026 Mice8000Hz Polling Is the New Standard — But Is It Making Your Mouse Stutter?8000Hz polling is everywhere in 2026, yet on some systems it causes input stutter instead of smoothing it. Here is when to use it and when to dial it back.April 10, 2026 ControllersTMR Thumbsticks: The Drift-Proof Tech Beyond Hall EffectTMR sticks are showing up on 2026 controllers as the next step past Hall effect. Here is how they resist drift and magnetic interference, and where they fit.April 6, 2026 DisplaysStuck at 60Hz on a New 240Hz Monitor? DisplayPort 2.1 and the Cable TrapBought a fast monitor but Windows only shows 60Hz? In 2026 the cause is often the cable or a DisplayPort 2.1 bandwidth limit. Here is the fix order.April 2, 2026 AccessibilityColor Blindness and Gaming Accessibility: Testing Your Setup in 2026Color vision deficiency affects roughly 1 in 12 men. Here is how to screen for it, what the types mean, and how modern games support colorblind players.March 30, 2026 AudioSpatial Audio on Windows 11: Dolby Atmos, Windows Sonic and Your SpeakersWindows 11 offers spatial audio through Windows Sonic and Dolby Atmos. Here is what it does, when it helps, and how to confirm your stereo setup is correct first.March 26, 2026 PerformanceWhat's a Good CPS in 2026? Clicking Techniques, Minecraft PvP and Switch WearClicks per second still matters in games like Minecraft PvP. Here are 2026 benchmarks, the main techniques, and why fast clicking wears out your mouse.March 22, 2026 DisplaysIs 240Hz Enough in 2026, or Should You Chase 360Hz and Beyond?With 500Hz monitors on shelves, is 240Hz still enough? Here is the honest answer on diminishing returns, GPU demands and who benefits from going higher.March 19, 2026 MiceHall Effect and Optical Mouse Switches: The End of Double-Click Chatter?New mouse switch tech in 2026 promises to kill the self-double-clicking problem for good. Here is how optical, magnetic and inductive switches change the game.March 15, 2026 AudioAI Noise Suppression Killed Background Noise — But Is It Ruining Your Mic?AI noise removal in Discord, Zoom and NVIDIA Broadcast is everywhere in 2026. Here is when it helps, when it mangles your voice, and how to test raw audio.March 11, 2026 MiceWireless vs Bluetooth Mouse on a Mac: The Latency Difference in 2026A 2.4GHz dongle mouse feels snappier than Bluetooth on a Mac for a reason. Here is the latency difference and how to fix a laggy Bluetooth mouse.March 5, 2026 macOSmacOS Tahoe 26 Moved Camera and Mic Permissions — Here's Where They Live NowmacOS Tahoe 26 reorganized Privacy & Security and added a Privacy Dashboard. Here is where to grant camera and microphone access and fix apps that can't see them.March 2, 2026 KeyboardsKeyboard Typing Double Letters After an Update? Read This FirstDouble letters can be switch chatter or a software setting that changed after a Windows update. Here is how to tell which, and how to fix each in 2026.February 25, 2026 AudioUSB-C Headphones and DAC Dongles: Life After the Headphone JackWith the 3.5mm jack gone from many devices, USB-C headphones and DAC dongles are the norm. Here is how they work and why cheap ones cause one-sided sound.February 22, 2026 WindowsThe Camera Freeze Bug: Why Apps Lock Up After a Windows 11 UpdateA recent Windows 11 cumulative update caused apps to freeze the moment they access the camera or microphone. Here is what triggers it and how to get unstuck.February 18, 2026 SystemThe EU's Removable Battery Rule and What It Means for Your LaptopNew EU rules push devices toward user-replaceable and longer-lasting batteries. Here is what is changing and why battery health matters more than ever.February 12, 2026 SystemLaptop Battery Health After a Year of Windows 11 Updates: How to Check ItShorter battery life after a year of updates? Here is how to read your true battery health on Windows 11 and macOS Tahoe, and when to consider a replacement.February 10, 2026