Lưu ý: Nếu bạn biết mật khẩu của mình nhưng chỉ muốn thay đổi mật khẩu, hãy đi tới tab Account.microsoft.com mật rồi chọn Thay đổi mật khẩu của tôi.. Nếu bạn biết tên người dùng và mật khẩu của mình nhưng chúng đã ngừng hoạt động, hãy đọc tên người dùng và mật khẩu của tôi đã ngừng hoạt động.

As you browse the web, you'll see an icon in the address bar that indicates the security of the connection to the site you're visiting. This icon helps you determine if you can safely send and receive information from the site.

To open Notepad, select the Start button, type Notepad, then select Notepad from the results.. Here are answers to a few common questions about Notepad:

Windows 11 updates provide the latest features and security improvements to help keep your PC more current and more secure. Before the installation process starts, Windows checks to make sure there’s enough storage space on your device for the installation process and for these new features and security improvements.

With Microsoft Forms, you can create an instant, real time poll in seconds in Microsoft Teams. Post a poll in your Teams channel or quickly gather feedback in a chat pane.

If OneDrive camera backup isn’t working. If automatic camera backup isn’t working, open the OneDrive app. Backups will only happen if the app is running, so swiping the app up to close it will prevent automatic backups.

How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.

When you delete an online-only file from your device, you delete it from your OneDrive on all devices and online. You can restore deleted files and folders from your OneDrive recycle bin on the web for up to 30 days for items stored in OneDrive personal (when you're signed in with a Microsoft account), or for up to 93 days for items stored in OneDrive for work or school or SharePoint in ...

Set a shorter duration for an active display. Select Start > Settings > System > Power & battery > Screen and sleep.For On battery power, turn off my screen after, pick a shorter duration. Open Power & sleep settings. Reduce your display’s brightness. Select Start > Settings > System > Display > Brightness .Clear the Change brightness automatically when lighting changes or the Help improve ...

Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.For this reason, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.