If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

The Phone Link supports messages sent by Short Message Service (SMS). It also supports Multimedia Messaging Service (MMS) messaging. You can still send your favorite photos and GIFs from your PC.

Change from a 32-bit version to a 64-bit version or vice versa. Activate Windows. Fix Bluetooth problems in Windows. Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Did this resolve your issue? Check the Xbox services, games, and apps for any service outages.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

Find out how to submit a request for a refund for a purchase of digital Xbox content.

Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

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.