Skype for Business makes it easy to connect and collaborate with coworkers and business partners around the world: Start instant message conversations and voice or video calls.

Cause. The device has no drivers installed on your computer, or the drivers are configured incorrectly. Recommended Resolution. Update the Driver. In the device's Properties dialog box, click the Driver tab, and then click Update Driver to start the Hardware Update Wizard.Follow the instructions to update the driver.

Review the warranty terms, check your warranty status, and learn about the protection plans for your Microsoft device or accessory.

Export contacts out of other email services. Export iCloud contacts. Export Gmail contacts – See Gmail help. Export Yahoo contacts – See Yahoo import and export help. Export Thunderbird contacts – See Mozilla support.

Windows 10, version 22H2 update history; July 23, 2024—KB5040525 (OS Build 19045.4717) Preview; July 9, 2024—KB5040427 (OS Builds 19044.4651 and 19045.4651)

个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

IMPORTANT This update is not needed and will not be offered if your Windows Recovery Environment (WinRE) meets any of the following conditions: If the WinRE recovery partition does not have sufficient free space.

If you forgot your PIN and need to reset it, you can do so from the Windows sign-in screen. Look below the PIN text box: If you see I forgot my PIN , select it and follow the instructions to reset your PIN.If there are multiple accounts on the device, choose the one you need to reset.

查看保修条款，检查维修状态并了解微软设备或配件的保护计划。

瞭解如何在行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他代碼。