If you experience a black or blank screen on your Windows device, try the following: To wake the screen, use one of the following keyboard shortcuts: Windows logo key + P to choose a presentation or projection display mode. Ctrl + Alt + Del to display security options. For a black screen, use the following keyboard shortcut: Windows logo key ...

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality. On Windows consumer devices, this update helps remediate smooth functioning of Windows Update.

Change desktop background and colors. You can choose your desktop background or change the accent color for Start, the taskbar, and other items. Any time you want to, you can go to Settings to customize what displays for you. Select Start > Settings > Personalization. The preview window gives you a sneak peek of your changes as you make them.

VLOOKUP 第一个参数是要查找的值。. 此参数可以是单元格引用，也可以是固定值，例如“smith”或 21,000。. 第二个参数是单元格搜索范围 C2-:E7，VLOOKUP 在其中搜索要查找的值。. 第三个参数是单元格范围内包含所查找值的列。. 第四个参数可选。. 输入 True 或 False ...

To sign out, go to Outlook.com. Select your account initials or account picture at the top corner of your Inbox. Select Sign out. Tips: If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing. If you don't see see Profile or Account options, you can access ...

你可以使用安装介质（U 盘或 DVD）来安装 Windows 的新副本、执行全新安装或重新安装 Windows。 要创建安装介质，请转到软件下载网站，你可以在这里找到分步说明。 在该网站上，你可以选择 Windows 版本，并使用 U 盘或 DVD 创建自己的安装介质。

To change the power mode, select Start > Settings > System > Power & battery. For Power mode, choose the one you want. Note: You might not be able to change the power mode when a custom power plan is selected. If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then ...

There are four ways to open Snipping Tool: Select the Start button, enter snipping tool, then select Snipping Tool from the results. Press Windows logo key + Shift + S for a static image snip. Press Print Screen ( PrtSc ) for a static image snip. Press Windows logo key + Shift + R for a video snip.

在 Outlook 网页版中对电子邮件点赞. Outlook 网页版 适用于 Exchange Server 2016 的 Outlook 网页版. 如果要表达对收到的电子邮件的支持或满意度，无需输入文字答复，只需单击“ 赞 ”按钮即可。. 还可以将鼠标悬停在“ 赞 ”按钮上方，查看为该电子邮件点赞的其他人。.

May 14, 2024-KB5038285 Cumulative Update for .NET Framework 3.5, 4.8 and 4.8.1 for Windows 10 Version 22H2