Open the file created in the %windir%\inf directory after driver install.Use Device Manager to check whether the driver is loaded and signed, as described in Verify that the Test-Signed Driver Is Operating Correctly of Test Signing.Several common ways to troubleshoot problems with loading signed or test signed drivers are listed below: Below is the screen shot to show if the driver is working. Use Device Manager to view the driver Properties (described earlier for the test-signed driver). Verify that the Release-Signed Driver is Operating Correctly For more information on trust and driver installation, see Code-Signing Best Practices.Īn unsigned driver will show the following dialog, which allows a user to install an unsigned driver (this may not work in 圆4 version of Windows). For the installation to proceed, the user must select Install. If the publisher trust level is unknown-as will be true for -the system displays the dialog box. Note The system verifies that publisher information is accurate based on the SPC that was used to sign the catalog.
Selecting the check box will not show this dialog box again on the computer if the driver is installed again or if the driver is removed for any reason. If the signer of the driver package has not already been set up on the system to be trusted, you may see the following Windows Security dialog box. Installing a release-signed driver is the same as described in Installing, Uninstalling and Loading the Test-Signed Driver Package in Test Signing, except for two additional steps needed when installing using either of the methods described there.
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