Contact Microsoft Office Support. Professional Direct Support for Microsoft 365 provides additional advisory support and proactive services to help plan, implement, maintain, and optimize Microsoft 365 solutions that align to your business's needs, as well as reactive support to assist you along the way.

Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.

Wenn Sie derzeit Windows 10 verwenden, bietet PC Health Check eine umfassende Eignungsprüfung für Ihr Gerät, um sicherzustellen, dass es die Mindestsystemanforderungen von Windows 11 erfüllt. Sie erhalten Informationen dazu, warum Ihr Gerät geeignet oder nicht geeignet ist, sowie Informationen dazu, was Sie tun können, wenn Ihr Gerät die Anforderungen nicht erfüllt.

Battery Life: Lowering your refresh rate can save battery power by reducing the amount of energy your display consumes.This can be useful when you are using a laptop or tablet and want to extend your battery life.

Notes: Meeting recordings won't capture whiteboards, annotations, shared notes or content shared in the stage view by apps, and also won't include videos or animations embedded in PowerPoint Live presentations.

The tool may make one or more changes to the installed version of .NET Framework. For example, it may correct the state of Windows Installer on the computer, reset the discretionary access control lists (DACLs) on certain folders, or resolve issues that are related to an invalid or corrupted update registration.

Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

Windows 11, version 23H2 ; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

Note: Use these steps for Windows programs.If you're having problems with an app you got from Microsoft Store, go to Fix problems with apps from Microsoft Store.

如果设置的是新设备，并且缺少蓝牙，请检查产品规格以确保其具有蓝牙功能。 有些设备没有蓝牙。 确保蓝牙处于打开状态. 如果使用的是机身上带有实体蓝牙开关的笔记本电脑，请确保该开关已打开。 在 Windows 11 中，可通过两种方法检查蓝牙是否已打开。