How To Verify Unsigned Device Drivers in Windows XP

Satheesh C B | Sunday, May 17, 2009 | 1 comments

Unsigned drivers are normally the source of driver problems in Windows XP.By using sigverif -command line tool is the easiest way to get a list of all unsigned drivers that are installed.

 

  • Click Start, click Run, type sigverif, and then click OK.
  • Click Advanced.
  • Click Look for other files that are not digitally signed.
  • In the Look in this folder box, type x:\Windows\system32\drivers, where x is the letter of the drive where Windows XP is installed.
  • On the Logging tab, make sure the Save the file signature verification results to a log file check box is selected, and then click OK.
  • Click Start.
  •  

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    The log file Sigverif.txt,is saved in the Windows folder. Third-party drivers that are unsigned are displayed as "Not signed.".After you find unsigned drivers, you can disable them by using any of the following methods:

    • Disable the device in Device Manager (you may have to click Show hidden devices on the View menu, and then disable the device under the Non-Plug and Play Drivers branch).
    • Uninstall the software that installed the third-party driver by using the Add/Remove Programs tool in Control Panel.
    • Rename the driver in the Winnt\System32\Drivers folder.

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    1 comment:

    1. :) very informative ,great work

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