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How can I find unsigned third-party drivers?
John Savill
May 27, 2000
1 Min Read
A. Windows 2000 uses a driver-signing process to make sure that drivers are certified to work correctly with Win2K. If you’re having problems, you might be using a driver that’s not correctly written for Win2K. To identify these drivers, use the signature verification tool.
Microsoft makes the following statement:
"Microsoft is promoting driver signing for designated device classes as a mechanism to advance the quality of drivers, to provide a better user experience, and to reduce support costs for vendors and total cost of ownership for customers. Microsoft began digitally signing drivers for the Microsoft Windows 98 operating system that passed the Windows Hardware Quality Labs (WHQL) tests in 1998, and has been signing drivers for Windows 2000 since the RC3 release."
To use the signature verification tool, perform the following steps:
From the Start menu, select Run, then sigverif.exe.
Click Advanced.
Select Look for other files that are not digitally signed.
For the folder, select %systemroot%system32drivers.
Click here to view imageUnder the logging tab, make sure that logging is enabled.
Click OK.
Click Start to begin the search.
The program will display a list of unsigned drivers, which you can then investigate.
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