Device Troubleshooting Guides

Step-by-step guides to fix common device issues. Find solutions for microphone, webcam, keyboard, and screen problems across different platforms and applications.

Microphone Issues

Test Microphone

Microphone Not Working in Chrome

Microphone not detected or no sound in Chrome browser

Chrome

Microphone Not Working on Discord Mobile

Microphone not working in Discord mobile app

Discord Mobile

Microphone Not Working in Safari

Microphone not detected or not working in Safari browser

Safari

Microphone Not Working in Zoom

Microphone not detected or no audio in Zoom

Zoom

Microphone Not Working in Edge

Microphone not detected or not working in Microsoft Edge

Edge

Microphone Static or Crackling on Windows

Microphone producing static, crackling, or distorted audio on Windows

Windows

Microphone Not Working on Windows 10

Microphone not detected or silent on Windows 10

Windows 10

Microphone Not Working on Windows 11

Microphone not detected on Windows 11

Windows 11

Microphone Not Working on Mac

Mac cannot access microphone

Mac

Microphone Not Working in Discord

Discord not receiving audio

Discord

Microphone Not Working in Microsoft Teams

Teams not receiving microphone input

Teams

Microphone Too Quiet on Windows

Low microphone volume

Windows

Microphone Static, Crackling, or Background Noise

Static or interference in audio

All

USB Microphone Not Detected

USB microphone not showing as input

USB

Microphone Keeps Cutting Out

Intermittent microphone drop-outs or unstable audio

All

Microphone Muted on Windows 11

Windows 11 microphone stuck on mute or zero volume

Windows 11

Chrome Microphone Permission Blocked

Chrome blocking microphone access

Chrome

Discord Microphone Sounds Robotic

Robotic or distorted voice in Discord

Discord

Zoom Microphone Delay or Lag

Delay or lag in Zoom audio input

Zoom

Teams Microphone Echo Problem

Echo or feedback during Teams calls

Teams

Microphone Not Working on Chromebook

Chromebook microphone not detected or silent

Chromebook

Microphone Not Working in iPhone Browser

iPhone browser blocking microphone access

iPhone

Microphone Not Working in Android Browser

Android browser failing to use microphone

Android

Microphone Works in Some Apps but Not Others

Microphone detected inconsistently across apps

All

Microphone Keeps Switching Input

System randomly switching microphone devices

All

Microphone Feedback Loop Problem

Loud feedback loop from speakers

All

Microphone Too Loud or Clipping

Microphone volume distorting at high levels

All

Microphone Not Working in OBS Studio

OBS not capturing microphone audio

OBS

Bluetooth Microphone Not Working

Bluetooth microphone pairing or input issues

Bluetooth

Microphone Noise Cancellation Issues

Noise suppression causing muffled voice

All

Webcam Issues

Test Webcam

Camera Not Detected in Teams

Camera not showing or detected in Microsoft Teams

Microsoft Teams

Webcam Not Working on Windows 11

Webcam not detected or not working on Windows 11

Windows 11

Webcam Not Working in Firefox

Webcam not detected or not working in Firefox browser

Firefox

Webcam Not Working in Zoom

Webcam not showing or detected in Zoom

Zoom

Webcam Not Working in Google Meet

Webcam not showing or detected in Google Meet

Google Meet

Webcam Lagging on Windows

Webcam video lagging or low frame rate on Windows

Windows

Webcam Not Detected in Chrome

Camera blocked by Chrome permissions

Chrome

Webcam Not Working on Windows 10

Camera not detected on Windows 10

Windows 10

Webcam Not Working on Mac

Mac cannot access camera

Mac

Webcam Not Working in Microsoft Teams

Teams cannot access camera

Teams

Webcam Quality Poor or Grainy

Low resolution or bad lighting

All

Webcam Not Working in Discord

Discord cannot access camera

Discord

Webcam In Use by Another Application

Camera locked by another program

All

Webcam Appears Mirrored or Flipped

Video preview flipped horizontally

All

Webcam Shows Black Screen on Windows 11

Webcam turns on but only shows a black screen

Windows 11

Webcam Lagging or Choppy Video

Slow, laggy, or low-FPS webcam performance

All

Webcam and Microphone Not Syncing

Audio out of sync with video

All

Webcam Not Working in Firefox

Firefox blocking or not detecting webcam

Firefox

USB Webcam Keeps Disconnecting

Webcam randomly disconnects or resets

USB

Webcam Not Working on Chromebook

Chromebook camera blocked or not detected

Chromebook

Webcam Not Working in iPhone Browser

Safari/iOS browser not allowing camera access

iPhone

Webcam Not Working in Android Browser

Android browser blocking camera access

Android

Webcam Keeps Zooming In

Auto-zoom or auto-crop enabled unexpectedly

All

Webcam Too Bright or Overexposed

Webcam image appears too bright or washed out

All

Webcam Fuzzy or Blurry Image

Image appears unfocused or low quality

All

Webcam Not Available to Other Apps

Webcam locked by a background process

All

Webcam Freezes After a Few Seconds

Webcam works briefly then freezes

All

Webcam Performs Poorly in Low Light

Grainy or noisy webcam image in dim environments

All

Webcam Showing Green Screen or Tint

Green tint or corrupted webcam colors

All

Keyboard Issues

Test Keyboard

Keyboard Typing Wrong Characters on Windows

Keyboard typing incorrect characters or symbols

Windows

Keyboard Not Working on Mac

Keyboard not responding or keys not registering on Mac

macOS

Keyboard Keys Sticking on Windows

Keyboard keys sticking or repeating on Windows

Windows

Keyboard Ghosting on Windows

Keyboard ghosting or keys not registering when pressing multiple keys

Windows

Keyboard Numpad Not Working on Windows

Keyboard number pad not responding on Windows

Windows

Keyboard Not Working on Windows 10

Keyboard stops responding

Windows 10

Keyboard Not Working on Windows 11

Keyboard not responding on Windows 11

Windows 11

Keyboard Typing the Wrong Characters

Incorrect characters appear when typing

All

USB Keyboard Not Detected

USB keyboard not recognised

USB

Keyboard Sticky Keys Problem

Sticky keys enabled or malfunctioning

All

Keyboard Randomly Stops Working

Intermittent keyboard failure

All

Keyboard Ghosting Issue

Multiple keys not registering together

All

Keyboard Input Delay on Windows 11

Typing feels delayed or sluggish

Windows 11

Keyboard Double Typing Keys

Keys repeating or double-registering

All

Keyboard Typing Random Characters

Unexpected characters appear while typing

All

Keyboard Backlight Not Working

Keyboard illumination fails or does not respond

All

Keyboard Not Working on Chromebook

Chromebook keyboard unresponsive or missing input

Chromebook

Keyboard Shortcuts Not Working

Hotkeys or shortcuts no longer respond

All

Function Keys Not Working on Windows

F1–F12 keys inactive or reversed

Windows

Keyboard Slow to Respond

Keyboard lag or delayed input

All

Spacebar Not Registering

Spacebar occasionally or fully fails

All

Screen Issues

Test Screen

Screen Flickering on MacBook Pro

Screen flickering or display issues on MacBook Pro

MacBook Pro

Monitor Ghosting in Games

Monitor showing ghosting or motion blur in games

Gaming

Screen Dead Pixels on Mac

Dead or stuck pixels on Mac display

macOS

Screen Color Calibration on Windows

Screen colors look incorrect or need calibration on Windows

Windows

Screen Flickering on Windows 10

Display flickering or flashing

Windows 10

Screen Flickering on Windows 11

Display flickering on latest Windows

Windows 11

Screen Flickering on Mac

MacBook screen flickers

Mac

Monitor Ghosting Issues

Trailing shadows or smearing on display

All

Monitor Dead Pixels Identification and Fix

Dead or stuck pixels on screen

All

Monitor Not Detected on Windows

External monitor not recognised

Windows

Monitor Colour Inaccuracy Issues

Incorrect or washed-out colours

All

Screen Backlight Bleed Causes and Fix

Uneven backlight visible on dark screens

All

Screen Brightness Not Working

Brightness controls not responding

All

Monitor Showing No Signal

Monitor receives no input from device

All

Screen Flickers When Moving Mouse

Display flickers only during mouse movement

All

Screen Dims Randomly

Screen brightness drops randomly

All

Monitor Refresh Rate Wrong

Refresh rate stuck at wrong value

All

Monitor Overdrive Causing Ghosting

Overdrive settings causing motion trails

All

Screen Colors Too Saturated

Overly saturated or unrealistic colors

All

Screen Turns Off Randomly

Monitor power or connection drops intermittently

All

Monitor Showing Artifacts

Visual artifacts, lines, or corruption

All

Screen Flashes White

Brief white flashes on display

All

Monitor Keeps Going to Sleep

Screen enters sleep mode repeatedly

All

Screen Scaling Not Working

Resolution or scaling settings ignored

All

Can't find your issue?

Use our free online device tests to diagnose problems with your microphone, webcam, keyboard, or screen.