Bluetooth Serial Communications Driver (BTHMODEM) Service Defaults in Windows 7

Bluetooth Communications Driver by Microsoft Corporation.

Default Settings

Startup type:Manual
Display name:Bluetooth Serial Communications Driver
Service name:BTHMODEM
Service type:kernel
Error control:normal
Path:%SystemRoot%\system32\DRIVERS\bthmodem.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHMODEM

Default Behavior

Bluetooth Serial Communications Driver is a kernel device driver. In Windows 7 it won't be started if the user doesn't start it. If Bluetooth Serial Communications Driver fails to start, Windows 7 attempts to write the failure details into Event Log. Then Windows 7 startup should proceed and the user should be notified that the BTHMODEM service is not running because of the error.

Restore Default Startup Configuration for Bluetooth Serial Communications Driver

1. Select your Windows 7 edition and service pack, and then click Download.

2. Save the Win7_BTHMODEM_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The BTHMODEM service is using the bthmodem.sys file that is located in the %WinDir%\system32\DRIVERS folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 7 installation media.