Para cerrar la sesión, vaya a Outlook.com. Seleccione las iniciales de la cuenta o la imagen de la cuenta en la esquina superior de la Bandeja de entrada. Seleccione Cerrar sesión. Sugerencias: Si no ve la imagen en la parte superior de la pantalla, compruebe si está activado el bloqueo de anuncios. A veces, esto impide que la imagen se muestre.

如果 Service Pack 1 在 Windows 版本下列出，则 SP1 已安装在电脑上。 开始之前 检查你的电脑是 32 位还是 64 位 你需要知道你的电脑是运行 32 位 (x86) 还是 64 位 (x64) 版本的 Windows 7 。 选择“开始”按钮、右键单击“计算机”，然后选择“属性”。 Windows 7 ...

If the Get Help app is unable to resolve your sound or audio issue, try the possible solutions listed: 1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections.

Find settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes. Learn how to make Windows easier to see and easier to hear .

AND 和 OR 函数最多可支持 255 个单独条件，但并不建议使用多个条件，因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式：. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0，并且 B2 (75 ...

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

Upgrade to Windows 10 Pro. Windows 10. Windows 10 Pro offers more advanced security and business networking features, including: BitLocker Drive Encryption. Remote Desktop. The ability to join a domain or Azure Active Directory. If you're running Windows 10 Home, select Get Windows 10 Pro to upgrade your device.

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 ...

立即获取. 如果你想要重新安装 Windows Media Player，请尝试以下操作：. 单击“开始”按钮 ，键入“功能”，然后选择“打开或关闭 Windows 功能”。. 向下滚动并展开“媒体功能”，清除“Windows Media Player”复选框，然后单击“确定”。. 重启设备。. Windows Media Player ...

Xbox Support offers help for Xbox, Game Pass, and billing questions. Get advice and customer service in the Xbox Support community.