Free tech tools and plain-English fixes
Test your mouse, keyboard, microphone, webcam and screen in seconds, then find out what the result means. Nothing to install, nothing uploaded.
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Free device tests
Check your hardware before you replace it.
Mouse Tester
Every button, double-click faults, scroll wheel and polling rate.
Open tool →Keyboard Tester
Dead keys, chattering switches and how many keys register at once.
Open tool →Microphone Test
Live level and waveform, plus a 5-second recording to hear yourself.
Open tool →Webcam Test
Live picture, real resolution and frames per second.
Open tool →Dead Pixel Test
Full-screen colours to find dead or stuck pixels. No flashing.
Open tool →Fix it
Step-by-step fixes for the problems the tests find.
Webcam Not Working Windows 11? How to Find and Fix the Cause
When your webcam stops working in Windows 11, the cause is usually a privacy setting, a driver issue [...]
Read the fix →Microphone Not Working on Windows 11? A Step-by-Step Fix
Mic not picking up sound or not detected in Windows 11? Work through privacy settings, the right input [...]
Read the fix →Keyboard Keys Not Working? How to Find the Cause and Fix It
Some keys not typing, or typing twice? Test every key for free, then work through Windows settings, connection, [...]
Read the fix →Mouse Double-Clicking When You Click Once? Causes and Fixes
Find out whether a double-clicking mouse is a Windows setting, a dirty or worn switch, or a wireless [...]
Read the fix →Picks
Researched comparisons for when you need to buy something.
Best Graphics Card for AI in 2026: Picks by VRAM
Which graphics card should you buy to run AI models locally in 2026? Picks by VRAM from 16GB [...]
See the picks →Best USB Microphones for Calls, Streaming and Podcasts (2026)
Researched USB microphone picks for calls, streaming and podcasts, and when to choose a dynamic or a condenser [...]
See the picks →Mice That Won’t Double-Click: Optical-Switch Picks (2026)
Tired of a mouse that double-clicks? Optical and hybrid-switch mice avoid the worn-contact problem. Our researched picks, from [...]
See the picks →Best Webcams for Video Calls (2026): Researched Picks
Researched webcam picks for calls and streaming, from budget 1080p to 4K, with what the specs mean. Test [...]
See the picks →Best MoCA 2.5 Adapters for Home Networking (2026 Guide)
MoCA 2.5 adapters use the coaxial cable already in your walls to create a fast wired network without [...]
See the picks →
Best Computer for Video Editing (2026): Start With the Graphics Card
Which graphics card, CPU and RAM do you need to edit 1080p, 4K or 8K video in 2026? [...]
See the picks →How we work
Tools run in your browserNothing you click, type or test is stored or sent anywhere.
Guides are research-basedWe say how picks were evaluated and never claim testing we haven’t done.
Affiliate links never decide picksSome guides earn a commission. Our tools carry no affiliate links.
About 123EasyTech
An independent site built with a background in systems administration and networking. Test it, fix it, choose it.