Possible causes. Make sure your PC, the external display, and the cable all support DisplayPort or MHL alternate modes. Make sure the device or dongle is connected directly to your PC. Make sure the device or dongle is connected to the USB-C port on your PC that supports the correct Alternate Mode.

Learn common SharePoint Online tasks with these videos and tutorials, and get links to more training for SharePoint and Office 365.

In new Outlook, open a new message or reply to a message. From Options > Show fields, select Show Bcc. Add the names of people you want on the Bcc line. Note: When you add someone's email address to the Bcc (blind carbon copy) box, a copy of the message is sent to that person.

We've put together this article to describe fixes for the most common problems. Your Azure Active Directory (Azure AD) organization can turn on two-step verification for your account. When two-step verification is on, your account sign-in requires a combination of the following data: Your user name. Your password.

To open Notepad, select the Start button, enter Notepad, then select Notepad from the results. Here are answers to a few common questions about Notepad: How do I change header and footer commands in Notepad? How do I use Notepad to create a log? If you need additional help, ask the Microsoft Community.

Power efficient settings in Windows 11. Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery .