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

Alarms and timers work even if the app is closed or your device is locked. If you see a warning that notifications only show if the device is awake, make sure your device doesn’t go to sleep (Go to Start > Settings > System > Power & sleep to adjust your device’s sleep settings).

Next to Reset this PC, select Reset PC and choose an option:. Keep my files—Reinstalls Windows 11 but keeps your personal files and any apps that came with your PC.This option removes changes you made to settings, as well as apps and drivers you installed.

若要手动选择主题色，请在“ 最近使用的颜色 ”或“ Windows 颜色”下选择一种主题色，或选择“ 自定义颜色 ”以获取更详细的选项。或者选择“ 从背景中自动选取主题色 ”框，让 Windows 选择该颜色。你选择的主题色将有助于偏移和补充浅色模式。

Change Internet Explorer settings. There are many changes you can make to customize your browsing experience in Internet Explorer. To view all settings and options, open Internet Explorer on the desktop, select Tools > Internet options.. Reset Internet Explorer settings

Find your files in Windows 11 using one of these methods. Search from the taskbar: Type the name of a document (or a keyword from it) into the search box on the taskbar.You'll see results for documents across your PC and OneDrive.

Vector form. The vector form of LOOKUP looks in a one-row or one-column range (known as a vector) for a value and returns a value from the same position in a second one-row or one-column range.. Syntax. LOOKUP(lookup_value, lookup_vector, [result_vector]) The LOOKUP function vector form syntax has the following arguments:. lookup_value Required.A value that LOOKUP searches for in the first vector.

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Sind Sie bereit zum Installieren? Stellen Sie zunächst sicher, dass Ihr PC oder Mac die Systemanforderungen erfüllt.. Wenn Sie bereits einen Product Key eingelöst haben, die Apps einfach neu installieren oder wissen, dass Sie über eine zugewiesene Lizenz über ein Geschäfts-, Schul- oder Unikonto verfügen, können Sie mit dem Abschnitt Anmelden fortfahren, um Microsoft 365 oder Office ...

加载项为 Microsoft Excel 提供可选的命令和功能。 默认情况下，加载项在 Excel 中不立即可用，因此在某些情况下，必须首先安装和 激活这些加载项，以便您可以使用它们。 某些加载项内置于 Excel 中，例如规划求解和分析工具库。 其他一些加载项可从下载中心获取，必须先下载并安装。