Fix guides
Practical troubleshooting for the most common hardware problems. Every guide links to a free test so you can confirm the fix.
- Display & camera Webcam Not Working? How to Fix a Black or Missing Camera Fix a webcam that shows a black screen, is not detected or is blocked in Chrome, Edge, Safari, Zoom or Teams. Permission, privacy and driver fixes.
- Audio Microphone Not Working? Fix No Input, Too Quiet or Not Detected Fix a microphone that is not detected, picks up nothing or is too quiet in Windows, macOS, Chrome, Zoom and Discord. Step-by-step permission and input fixes.
- System & network High Ping and Jitter? How to Reduce Lag Spikes Reduce high ping, jitter and packet loss for gaming, Zoom and Teams. Fix Wi-Fi interference, bufferbloat, background downloads and router issues.
- System & network How to check a used laptop before you buy it A practical checklist for buying a used or refurbished laptop: test the screen, keyboard, battery, ports, speakers, camera and performance in 10 minutes, and spot locked or stolen devices.
- Input devices Mouse Wheel Skipping or Jumping? How to Fix a Jumpy Scroll A scroll wheel that skips, jumps or scrolls too far can make reading and browsing frustrating. Common causes include dirt, a worn wheel and scrolling settings, and many can be fixed in a few minutes.
- Audio No Sound From One Speaker? Fix Left or Right Audio Fix sound coming only from the left or right speaker or earbud. Check balance, mono audio, cables and drivers on Windows, macOS, iPhone and Android.
- Display & camera Dead Pixel vs Stuck Pixel: How to Tell and What to Do Learn the difference between dead and stuck pixels, how to find them with a screen test, when a pixel fixer helps and when to claim warranty.
- Input devices Keyboard Not Working? Fix Unresponsive Keys and Wrong Layout Fix a keyboard with keys that do not respond, type the wrong characters or lag. Covers cleaning, Filter Keys, layout, drivers and wireless issues.
- Input devices Mouse Double-Clicking on Single Click? How to Fix It Fix a mouse that double-clicks when you click once. Test for switch chatter, adjust debounce, clean the switch and check Windows double-click settings.
- System & network Slow Computer? 10 Ways to Speed Up a Laptop or PC Speed up a slow computer or Mac. Remove startup apps, free disk space, check for malware and overheating, and benchmark the CPU before and after.
- System & network Wi-Fi Keeps Disconnecting? How to Fix Dropouts Fix Wi-Fi that keeps dropping on Windows, Mac, phone or laptop. Power settings, router channel, band steering, driver and DHCP fixes.
- System & network Printer Not Printing? Fix Offline, Stuck Queue and Blank Pages Fix a printer that is offline, stuck in the queue, prints blank pages or missing colours. Queue, driver, Wi-Fi and nozzle cleaning steps.
- System & network Internet Slower Than Your Plan? How to Get Full Speed Find out why your internet is slower than the speed you pay for. Test on cable vs Wi-Fi, fix router placement, old hardware, background usage and ISP issues.
- Input devices Controller Stick Drift: How to Test and Fix It Test your Xbox, PlayStation or Switch controller for stick drift, then fix it with calibration, dead zones, cleaning or stick replacement.
- Display & camera Monitor Flickering? How to Stop Screen Flicker Fix a flickering monitor or laptop screen. Check refresh rate, cables, adaptive sync, brightness PWM, drivers and HDR settings step by step.
- Display & camera 144 Hz Monitor Only Showing 60 Hz? How to Fix It Fix a 120, 144, 165 or 240 Hz monitor that runs at 60 Hz. Change display settings, use the right cable and port, and update graphics drivers.
- System & network Laptop Battery Draining Fast? How to Make It Last Longer Find out why your laptop battery drains quickly and fix it. Measure drain rate, find power-hungry apps, adjust brightness and power mode, and check battery health.
- Audio Headphones Not Detected? Fix Wired and Bluetooth Headphones Fix headphones that are not detected or have no sound on Windows, Mac, Android or iPhone. Output device, jack, Bluetooth pairing and driver fixes.
- Audio Microphone Echo or Background Noise? How to Sound Clear Stop microphone echo, hiss and background noise on calls. Record yourself, compare noise suppression and echo cancellation, and fix input levels and placement.
- Input devices Touchscreen Not Responding? Fix Ghost Touches and Dead Zones Fix a touchscreen that does not respond, has dead zones or registers ghost touches on phones, tablets and laptops. Cleaning, calibration and driver steps.
- System & network Computer Overheating? How to Cool Down a Hot PC or Laptop Stop your computer overheating, loud fans and thermal throttling. Clean vents, improve airflow, check heavy apps, and benchmark before and after.
- Input devices Mouse Lagging or Stuttering? How to Get Smooth Tracking Fix a mouse that lags, stutters or jumps. Check polling rate, wireless interference, surface, USB power saving and drivers with a quick test.
- Display & camera 60 Hz vs 144 Hz vs 240 Hz: what refresh rate do you need? Compare 60 Hz, 120/144 Hz and 240 Hz monitors: how much smoother they look, what graphics card you need, which cable to use and how to check your monitor runs at its full refresh rate.