Learn how to scan and repair missing or corrupted system files in Windows using the System File Checker tool (sfc/scannow). Follow the steps to run the tool, view the scan results, and manually replace the corrupted files if needed.

Learn how to run System File Checker (sfc /scannow) in Windows 10 to check and fix problems with files on your computer. Follow the steps to update Windows, open Command Prompt as administrator, and type the commands.

Learn how to troubleshoot and fix screen problems on your Surface device, such as flickering, distortion, static, lines, or artifacts. Select a link for the specific screen issue you're seeing and follow the steps to resolve it.

Learn how to fix screen flickering or scrambled issues in Windows 10 or 11 by updating, rolling back, or uninstalling your display driver or incompatible app. Check if Task Manager flickers to determine the cause of the problem.

Learn how to fix issues with external monitors in Windows 10, such as updating, setting up, or reinstalling display drivers. Find out how to use multiple monitors, extend your desktop, or file a bug report.

Learn how to mirror or project the screen of another device to your Windows PC using Miracast. Follow the steps for Windows 11 or Windows 10 to install the Wireless Display app or the Connect app and select the device you want to cast to.

Learn how to use various built-in tools to manage Windows, such as Control Panel, System Configuration, Registry Editor, and more. Find out how to access and customize each tool for your preferences and requirements.

Learn how to use phone screen to interact with your Android apps and content on your PC, through a Wi-Fi connection. Find out the requirements, supported devices, and tips for using phone screen with mouse, keyboard, or touch.

Learn how to fix blue screen errors (also called bug checks, STOP code errors, or BSOD errors) that cause Windows to shut down or restart unexpectedly. Follow the basic and advanced troubleshooting steps, or use the Blue Screen Troubleshooter or the Memory Diagnostics tool.

Learn how to pair, connect, and troubleshoot Bluetooth devices in Windows 11 and Windows 10. Find solutions for common issues such as Bluetooth icon missing, Bluetooth not working, or Bluetooth accessories not responding.