KeyboardTester Blog — guides, reviews and testing tips
Gaming RTX 50 Hotspot Temperature Is Back: How to Check for GPU Throttling
RTX 50 hotspot readings are back in current monitoring builds. Pair temperature and clocks with a repeatable browser workload before calling an FPS drop thermal throttling.
Display Why Does My Monitor Look Blurry? Scaling, Resolution & OLED Text Fringing (with a Live Sharpness Test)
A blurry monitor almost always comes down to one of five things: non-native resolution, DPI scaling, monitor over-sharpening, chroma subsampling, or OLED text fringing. Diagnose each cause and verify your fix by eye with the live sharpness test - no score, just the patterns that reveal the problem.
Published July 4, 2026
Mouse How to Change Your Mouse DPI Without Losing Your Aim
Change mouse DPI without wrecking your aim. Use the exact eDPI formula, DPI calculator workflow, real DPI checks, and Windows/game settings that still change mouse feel.
Published June 30, 2026
Mouse Dell MS700 vs Two Portable Bluetooth Mice: Which Travel Mouse Makes Sense?
Compare Dell MS700 with Microsoft Surface Arc Mouse and Logitech Pebble Mouse 2 for travel design, Bluetooth pairing, battery life, DPI, scroll feel, and what to test after buying.
Published June 27, 2026
Keyboard Why Is the Keyboard QWERTY? History, Layouts & Testing
July 5, 2026
By Nasir A. Awan Learn why keyboards use QWERTY, how typewriter mechanics, Remington, terminals, IBM PCs, and modern gaming boards shaped the keyboard, then test your own layout online.
Keyboard Key Repeat Rate Test: Fix Keyboard Repeat Delay and Speed
July 4, 2026By Nasir A. Awan Run a keyboard repeat rate test, measure repeat delay and repeat speed in Hz, then fix Windows, Mac, or Linux repeat settings without confusing the problem with input lag, polling rate, or key chatter.
Keyboard Keyboard CPS Test: How Fast Can You Press the Spacebar?
June 26, 2026By Nasir A. Awan Run a keyboard CPS test on the spacebar, see how your clicks per second compare to the ~6-7 average, learn the two-finger technique to press faster, and check 2-key CPS for jump-bridging. The same tool also catches double-spacing and chatter.
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Mouse Mouse Spinning Out? What It Is, How to Test It, and Fixes
July 11, 2026By Nasir A. Awan Mouse spinning out in CS2 or Valorant? Sensor spin-out is a tracking-speed failure on fast flicks, not aim skill. Watch your sensor freeze mid-spin in a 60-second browser check, separate it from drift and jitter, then fix it in order: pad, lens, firmware, USB, polling, or a higher-IPS sensor.
Mouse How Does a Computer Mouse Work? Ball, Optical & Laser
July 8, 2026By Nasir A. Awan Learn how a computer mouse turns hand movement into cursor data: old ball rollers and encoder wheels, optical image sensors, laser tracking, DPI, polling rate, lift-off distance, jitter, glass-surface limits, and the browser tests that reveal how your own mouse behaves.
Mouse Jitter Click vs Butterfly Click: Which Is Faster (and Which Gets You Banned)?
June 30, 2026By Nasir A. Awan Jitter clicking vs butterfly clicking compared on CPS, aim, fatigue, and ban risk - then measure your own jitter CPS and butterfly CPS live on the click speed tester. Honest mechanics, real ranges, and the actual server-rule nuance.
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Display Pen Pressure Not Working? Fix Windows Ink, Drivers & Apps
July 19, 2026By Nasir A. Awan Use a browser result to separate brush settings, Windows Ink or WinTab, tablet drivers, connections and hardware before replacing a Wacom, Huion or XP-Pen device.
Display Monitor Gamma Test: Check Gamma 2.2 and Fix Washed-Out or Too-Dark Screens
July 10, 2026By Nasir A. Awan Run a monitor gamma test, read the sRGB 2.2 pattern, and fix washed-out or too-dark screens with monitor presets, OS color profiles, GPU settings, HDR checks, and room-light control.
Display How to Measure Without a Ruler: 8 Accurate Methods (Phone, Card & On-Screen)
July 7, 2026By Nasir A. Awan No ruler in the drawer? Every bank card is exactly 85.6 x 53.98 mm, coins and paper have published sizes, and your thumb is roughly an inch. Learn 8 ways to measure without a ruler - from wallet references and phone AR apps to turning your screen into a calibrated actual-size ruler accurate to about half a millimetre.
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Camera Why Is My Camera Mirrored? Webcam Flip, Explained
July 16, 2026By Nasir A. Awan Your camera isn't broken: video apps mirror your own preview on purpose, and everyone else sees you the right way around. Prove it in ten seconds with a snapshot of the raw feed, find the real mirror toggles in Zoom and Teams (Meet has none), fix flipped selfies, and catch the rare genuine flips from OBS and virtual cameras.
Camera How to Check Webcam Resolution (Is It Really 1080p?)
July 12, 2026By Nasir A. Awan Your webcam's real resolution is what it delivers, not what the box says. Check it in your browser in seconds, learn why "1080p" cameras send 720p (light, USB bandwidth, app defaults), why Zoom, Meet, and Teams stream below your camera's spec, and every fix in order before buying new hardware.
Camera Webcam Test: How to Check Your Camera Before Video Calls
March 28, 2026By Nasir A. Awan Test your webcam online for free. Preview your camera, check resolution, and troubleshoot webcam issues before Zoom, Teams, or Google Meet calls.
Audio Subwoofer Test Online: Is Your Sub Working or Blown?
June 20, 2026By Nasir A. Awan Run a free subwoofer test online with a 20 Hz to 200 Hz bass sweep, then diagnose silence, weak bass, rattling, buzzing, crossover gaps, and possible blown-sub symptoms.
Audio How Loud Is My Room? Free Online Decibel Meter and How Far to Trust the Reading
June 17, 2026By Nasir A. Awan How loud is my room? Use a free online decibel meter in your browser - no app - read live, peak and average dB, see a normal-dB chart, and learn how accurate a browser reading really is.
Audio Rear Speakers Playing Through the Front? Test Every Channel and Fix Swapped 5.1/7.1 Audio
June 14, 2026By Nasir A. Awan Rear surround speakers playing through the front? Prove which channel is wrong with a live per-channel walk-around test, then fix swapped cables, Windows/Realtek, and receiver decode in order.
Utilities Phone Not Vibrating? Test Your Vibration Motor and Fix It
July 13, 2026By Nasir A. Awan Phone not vibrating for calls or texts? A 10-second browser check tells you whether the vibration motor still works or a setting is silencing it. Walk the Android fix ladder, the honest iPhone checklist (the browser test is Android-only), the physical causes, and sourced repair costs before replacing anything.
Utilities Laser Printer Repeating Marks: Drum, Roller or Fuser?
July 14, 2026By Nasir A. Awan Seeing the same mark at regular intervals? Print a repeating-defect ruler, measure matching marks center to center, and use color, rub-off, and internal-test clues to narrow the fault before buying a drum, toner cartridge, transfer unit, fuser, or replacement printer.
Utilities Accelerometer vs Gyroscope: What's the Difference? (Test Both in Your Browser)
July 10, 2026By Nasir A. Awan The accelerometer senses linear acceleration and gravity; the gyroscope senses rotation. Learn what each phone sensor measures, test both live in your browser with a flat-table 9.8 m/s2 check and an alpha/beta/gamma rotation check, then fix broken auto-rotate and "accelerometer not working" step by step on Android and iPhone.
Gaming How to Make a Circle in Minecraft (Block by Block)
July 16, 2026By Nasir A. Awan Build a clean Minecraft circle block by block. Mirror one quadrant, compare common sizes, and plan towers or spheres with verified block counts in Java or Bedrock.
Gaming Why the Same FOV Feels Different Across Games (HFOV vs. VFOV)
July 11, 2026By Nasir A. Awan The same FOV number can look zoomed in or wider across games because HFOV and VFOV measure different axes, while aspect ratio, 4:3 references, viewmodels, ADS, and camera behavior change the view players perceive.
Gaming Controller Deadzone Explained: Test Yours, Mask Stick Drift & Find the Right Setting
July 6, 2026By Nasir A. Awan A deadzone is the circle around an analog stick's center where input is ignored. Learn what inner and outer deadzones do, measure the value your stick actually needs with a 10-second browser drift test, use it to mask stick drift, and find where the setting lives in every major game and platform.
Reviews Best One-Handed Gaming Keyboard 2026: Top 9 Keypads With Joysticks
May 26, 2026By Nasir A. Awan A researched one-handed gaming keyboard buyer guide with verified prices, official product photos, macro-key notes, joystick caveats, testing steps, and buying links.
Reviews Most Expensive Luxury Keyboards 2026: Top 7 With Prices and Buying Links
May 21, 2026By Nasir A. Awan A researched luxury keyboard buyer guide with current prices, official buying links, original product photos, collector notes, and post-purchase keyboard tests.
Reviews Best Gaming Mouse 2026: Practical Picks by Grip, Weight, and Game Type
May 12, 2026By Nasir A. Awan A researched 2026 gaming mouse buyer guide with current official US prices, product images, FPS, wireless, budget, MMO, grip, polling, and post-purchase tests.
