Tạo điểm khôi phục hệ thống. Khi nhấn gửi, phản hồi của bạn sẽ được sử dụng để cải thiện các sản phẩm và dịch vụ của Microsoft.

Learn more about how to fix problems with the Windows Start menu, and what to do if the Start menu won't open.

To roll a system back to the most recent successful configuration of the registry, you can restart the computer in Safe Mode and select the Last Known Good Configuration option, or if you've created a system restore point, you can try restoring to it. Recovery options in Windows 10. Back up and restore your PC (Windows 8.1)

Learn how to improve the clarity of text and images displayed on your screen by changing the screen resolution of your monitor.

To find the brightness slider in earlier versions of Windows 10, select Settings > System > Display, and then move the Change brightness slider to adjust the brightness. If you don't have a desktop PC and the slider doesn't appear or work, try updating the display driver.

Learn how to uninstall a Windows update, if for example that update is causing your system to have errors or other problems.

Training: If lots of your OneDrive files get deleted, overwritten, corrupted, or infected by malware and work or school, you can restore your entire OneDrive to a previous time.

Learn about different things you can try to fix network connection problems in Windows.

Outlook stores backup files containing email, calendars, contacts, tasks, and notes on your computer. Learn how to find them.

Learn how to change Internet Explorer settings, or reset browser settings when there's a problem.