No Sound, No Wi-Fi, Camera Not Working: Device Problems in Plain English

A device problem usually announces itself plainly: no sound, a missing Wi-Fi icon, a camera Windows cannot find, or a code in Device Manager. Each page here takes one problem: what it means in plain English, how serious it is, and the safe fix, in order. Start with the page that matches what you see.

All articles in this cluster

• Code 10 'This Device Cannot Start': The Sound Card Version
• Code 43: Windows Stopped This USB Device
• Code 28 After an Update: 'The Drivers for This Device Are Not Installed'
• The Wi-Fi Icon Has Disappeared Completely: Get It Back
• No Sound After a Windows Update: The 10-Minute Checklist
• Camera Not Found (0xA00F4244): For Family Video Calls
• Bluetooth Mouse or Keyboard Keeps Disconnecting
• Everything on Screen Is Huge (or Tiny) After an Update
• Your PC Suddenly Started Talking (or Zoomed In): Narrator and Magnifier