设备驱动^{(Device Driver)}程序是控制或帮助操作硬件设备的程序。当第 3 方供应商创建新驱动程序时，可以将其提交给Microsoft进行“设备签名^{(Device Signing)}”。这保证了质量。为帮助维护Windows操作系统的完整性，对关键文件进行了数字签名，以便可以轻松检测到对这些文件的任何更改。但是，并非所有驱动程序都经过数字签名，因此其中一些驱动程序可能会导致系统不稳定。

识别未签名^{(Identify Unsigned)}和数字^(Digitally)签名的驱动程序

1]文件签名验证工具^{(File Signature Verification Tool)}或sigverif

Microsoft在Windows 11/10/8/7中有一个名为sigverif.exe的工具或文件签名验证工具^{(File Signature Verification Tool)}，可帮助您识别未签名的驱动程序。

要访问它，请  在 Windows 搜索中键入sigverif并按 Enter。^(sigverif)

单击开始^{(Click Start)}。该程序将扫描所有设备驱动程序。

扫描完成后，它将列出未进行数字签名的那些。就我而言，由于所有内容都经过数字签名，因此我收到了以下消息。

如果您希望查看所有已扫描驱动程序的列表，请单击高级^(Click)并^(Advanced)选择查看日志^{(View Log)}。

您将能够查看日志。

2] DirectX 诊断工具^{(DirectX Diagnostic Tool)}或DxDiag.exe

要验证您的驱动程序是否经过数字签名，您可以运行DirectX 诊断工具^{(DirectX Diagnostic Tool)}。为此，请在搜索框中键入^{(Search Box)}DxDiag.exe ，然后按Enter。DirectX 诊断工具^{(DirectX Diagnostic Tool)}旨在帮助您解决与 DirectX 相关的问题。

DirectX 诊断工具^{(DirectX Diagnostic tool)}( DXDiag.exe ) 收集有关系统和DirectX已安装组件的信息。它还提供了许多测试以确保组件正常工作。

通过运行Dxdiag.exe^(Dxdiag.exe)并单击“保存所有信息”^{(Save All Information)}按钮，使用诊断工具创建有关您计算机的报告。

Identify Unsigned Drivers using sigverif utility in Windows 11/10

A Device Driver is a program that controls оr helps operate a hardware device. When 3rd-party vendors create a new driver, it сan bе submittеd to Microsoft for “Device Signing“. This ensures quality. To help maintain the integrity of your Windows operating system, critical files are digitally signed so that any changes to these may be easily detected. However, not all drivers are digitally signed, as a result of which some of them may cause system instability.

Identify Unsigned & Digitally Signed Drivers

1] File Signature Verification Tool or sigverif

Microsoft has a tool in place in Windows 11/10/8/7 called sigverif.exe or the File Signature Verification Tool which helps you identify unsigned drivers.

To access it, type sigverif  in Windows search and hit Enter.

Click Start. The program will scan all the device drivers.

On completion of the scan, it will list down those which are not digitally signed. In my case since all were digitally signed, I received the following message.

Should you wish to see the list of all the drivers scanned, Click on Advanced & select View Log.

You will be able to view the log.

2] DirectX Diagnostic Tool or DxDiag.exe

To verify if your Drivers are digitally signed, you can run the DirectX Diagnostic Tool. To do so, type DxDiag.exe in the Search Box and hit Enter. The DirectX Diagnostic Tool is designed to help you troubleshoot DirectX-related issues.

The DirectX Diagnostic tool (DXDiag.exe) gathers information about the system and the DirectX installed components. It also provides a number of tests to ensure that components are working properly.

Use the diagnostic tool to create a report about your computer by running Dxdiag.exe and clicking on the Save All Information button.

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