sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.

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. To filter your search, you can select the Documents tab—and then your search results will only show documents.

Select Start > Settings > System > Display > Advanced display . Next to Choose a refresh rate , select the Dynamic option. ( Note: This option is only available on supported hardware. If you don’t see the Dynamic option, then your hardware doesn’t support DRR.) If you want to disable DRR and use a fixed refresh rate, you can select a ...

Observing Windows in safe mode enables you to narrow down the source of a problem, and can help you troubleshoot problems on your PC. There are two versions of safe mode: Safe Mode and Safe Mode with Networking. Safe Mode with Networking adds the network drivers and services you'll need to access the internet and other computers on your network.

在Microsoft Edge中翻译网页. 在Microsoft Edge中打开网页。. 浏览器将检测页面的语言，并显示一个菜单，要求你确认是否要翻译页面。. 请执行以下任一操作：. 在 “翻译为 ”下拉列表中，选择要将页面翻译成的语言。. 默认值是为Microsoft Edge设置的语言。. 若要翻译 ...

Windows 10 照片查看器. Windows 照片查看器未包含在 Windows 10 中，但如果你是从 Windows 7 或 Windows 8.1 进行升级，你的电脑可能仍可使用它。. 若要确认，请在文件资源管理器中长按（或右键单击）某张照片，然后选择“打开方式”。. 如果 Windows 照片查看器不在列表中 ...

Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on. If it isn't, select it to turn it on. Also, make sure Airplane mode is turned off.

Browse InPrivate in Microsoft Edge. When you use InPrivate tabs or windows, your browsing data (like your history, temporary internet files, and cookies) isn't saved on your PC once you're done. In Microsoft Edge, select the Settings and More icon, and then New InPrivate window.

数据执行防护 (DEP) 是 Windows 中内置的一项技术，可帮助保护你免受从不应启动的位置启动的可执行代码的损害。. DEP 通过将电脑内存的某些区域标记为仅用于数据，将不允许任何可执行代码或应用从这些内存区域运行，. 这旨在使尝试使用缓冲区溢出或其他技术 ...