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Surface won’t turn on or start - Microsoft Support
The info on this page applies to the following devices: Surface Book 3, Surface Book 2, Surface Book, Surface Go 4, Surface Go 3, Surface Go 2, Surface Go, Surface Laptop SE, Surface Laptop Studio 2, Surface Laptop Studio, Surface Laptop Go 3, Surface Laptop Go 2, Surface Laptop Go, Surface Laptop (7th Edition) Surface Laptop 6 for Business, Surface Laptop 5, Surface Laptop 4, Surface Laptop 3 ...
What is the Recent activity page? - Microsoft Support
If you travel often, your new locations may show as unusual activity. To travel without disruptions or alerts, we recommend using Microsoft Authenticator to sign in.. If you get an email about unusual activity and you're not sure if it's from Microsoft, you can safely sign in to your Microsoft account any time without clicking links in the email.
Applies To: Microsoft account dashboard
打开或关闭 Microsoft Defender 防火墙 - Microsoft 支持
若要将其关闭,请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备(以及网络,如果有)更容易受到未经授权的访问。
Lock Windows automatically - Microsoft Support
Dynamic lock is a security feature in Windows that automatically locks your device when you are not around. It uses Bluetooth to pair with your phone and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.
发生文件损坏错误后打开文档 - Microsoft 支持
有时某个文件可能被损坏,使得 Word、Excel 或 PowerPoint 无法正常打开它。 但是,所有内容都不会丢失。 “打开并修复”命令可能能够恢复你的文件。 单击“文件”>“打开”>“浏览”,然后转到存储文档 (Word)、工作簿 (Excel) 或演示文稿 (PowerPoint) 的位置或文件夹。。 不要尝试从“最近使用的文件 ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, PowerPoint 2016
Deprecation of Microsoft Support Diagnostic Tool (MSDT) and MSDT ...
Devices running Windows 11 version 22H2 and older. If you're running Windows 11 version 22H2 and older, Windows 10, Windows 8.1, Windows 7 or any other earlier OS version, your device will not be affected by the MSDT Troubleshooter retirement.
在電腦上啟用 TPM 2.0 - Microsoft 支援服務
如何啟用 tpm. 如果您需要啟用 tpm,這些設定會透過 uefi bios (電腦韌體) 並根據您的裝置而有所不同。 您可以選擇:[設定]> [更新&安全性>複原] > [立即重新開機],來存取這些設定。 在下一個畫面中,選擇 [疑難排解> uefi 韌體設定]> uefi 韌體設定> [重新開機] 進行變更。。 這些設定有時會包含在標示為 ...
View device and app use with Family Safety activity reporting ...
Screen time reporting shows daily and weekly details about when and for how long your family member used their devices. Gain insight into the amount of time your family member spends on a particular social media app, game or web browser and decide whether you would like to enable screen time limits for any connected devices. To view screen time for a family member, tap Today, then Screen time ...
Applies To: Microsoft Family Safety
如何在 Windows 中设置和测试麦克风 - Microsoft 支持
在"声音设置"中,转到"输入 "以查看连接的麦克风。 如果麦克风是蓝牙,请选择"添加设备"。
How to use focus in Windows 11 - Microsoft Support
When you start a focus session, a focus timer will appear on screen. To use additional focus tools in the Clock app, expand the focus timer to get the full view of the Clock app.