Removing the Plug and Play Driver

This value contains the name of the backup copy of the trxstream.inf file that Windows® created during device installation under C:\WINNT\INF.

8.Delete the INF file of this name from C:\WINNT\INF along with the corresponding PNF file.

Except for the extension, the INF file and the PNF file have the same names. For example, if the INF file is oem11.inf, the name of the PNF file is oem11.pnf.

9.Delete the following registry keys:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\

Control\Class\{50CE2010-E61B-40EF-9EAA-

2BCDE74F8C6C}

HKEY_LOCAL_MACHINE\SOFTWARE\Brooktrout

Technology\DeviceCoInstaller

HKEY_LOCAL_MACHINE\SOFTWARE\Brooktrout

Technology\DevicePropertyPage

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\

Services\boston

10.Reboot the system and verify that the Brooktrout Hardware node is not listed in the Device Manager.

For Version 5.2

¾To remove the Plug and Play driver:

1.Open Windows Device Manager.

2.Expand the Computer Telephony node.

3.Right-click the Brooktrout TRxStream board node and select

Uninstall.

4.Uninstall all the Brooktrout boards listed under the Computer Telephony node.

5.Open Command Prompt and type “net stop boston” to stop the Boston driver that might still be running.

6.Delete the following files: C:\WINNT\SYSTEM32\DRIVERS\boston.sys C:\WINNT\SYSTEM32\brktBdevpp.dll C:\WINNT\SYSTEM32\brktBdevco.dll

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