Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

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Note: If you use a Manual Table of Contents style, Word won't use your headings to create a table of contents and won't be able to update it automatically. Instead, Word will use placeholder text to create the look of a table of contents so you can manually type each entry into the table of contents.

Disable all macros except digitally signed macros Macros are disabled, and security alerts appear if there are unsigned macros present.However, if the macro is digitally signed by a trusted publisher, the macro just runs. If the macro is signed by a publisher you haven't trusted yet, you are given the opportunity to enable the signed macro and trust the publisher.

For a black screen, use the following keyboard shortcut: Windows logo key + Ctrl + Shift + B.

Windows 11 lets you quickly check your network connection status. Select the Start button, then type settings.Select Settings > Network & internet.The status of your network connection will appear at the top.

Note: The options listed in this wizard vary depending on the key selected.For example, since you cannot reassign the Windows key, the only option available is to disable it.

When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.

注: 一部のカメラは、[カメラ設定] ページに表示されません。これには、Windows Hello 顔認証に使用される赤外線 (IR) カメラ、DirectShow テクノロジを使用するカメラ (デバイスを Web カメラとして使用できるように DSLR やアクション カメラの製造元によって提供される多くのアプリなど)、産業用 ...