The first time you use the DirectX Diagnostic Tool, you might be asked whether you want to check if your drivers are digitally signed. We recommend that you select Yes to help ensure that your drivers have been signed by a publisher that has verified their authenticity.

打开屏幕键盘. 转到 “开始” ，然后选择 “设置 > 辅助功能 > 键盘”，然后打开 “屏幕键盘”切换。 此时屏幕上会出现一个键盘，可用于在屏幕上移动和输入文本。 除非你关闭屏幕键盘，否则它将一直显示在屏幕上。

Controller serial numbers are 14 characters long and don’t include dashes. Your controller serial number may not be recognized if you’ve never connected your controller, or if you connected for the first time within the last 48 hours.; If you have the Xbox Elite Wireless Controller Series 2, the 14-character serial number is in the lower center on the back of the controller.

Method 6: Check to see if your antivirus software is blocking the file. You can check to see if your antivirus software is blocking a file by temporarily disabling it, and then trying to open the file.

返回页首. 查看关于其他参与者的信息. 参与者列表指明了每个参与者的权限级别：演示者或与会者。只有演示者可以共享其屏幕、讲解 Microsoft® PowerPoint® 演示文稿、打开白板和访问其他功能，具体取决于会议的组织方式。

Windows Media Player is available for Windows-based devices. Use this table to find the right version of the Player for your system. (If you've got a Mac, you can download Windows Media Components for QuickTime to play Windows Media files.)

Install the S/MIME control. Get a certificate, sometimes referred to as a key or digital ID. The first step to use S/MIME is to obtain a certificate from your IT administrator or helpdesk.

vlookup、hlookup、その他の index や match などの関数を使い、ユーザーが入力した値に基づいてデータを検索して見つけます。 この記事では、vlookup について簡単に復習してから、その他の情報へのリンクを示します。

Energy saver automatically manages system processes and power usage for an optimal balance of PC performance and longer battery life. Select Start > Settings > System > Power & battery .If you want energy saver to turn on whenever the battery falls below a certain level, select Energy saver to expand options, then next to Turn energy saver on when battery level is at, select the battery level ...

author: yuval sinay mvp. community solutions content disclaimer. microsoft corporation and/or its respective suppliers make no representations about the suitability, reliability, or accuracy of the information and related graphics contained herein.