Toshiba e750 User Manual page 143

Bluetooth
If the Security Mode on either Local Device or the remote device is set to
Security On, authentication is performed to confirm the remote device
when connecting.
If either device has already been authenticated or the Security Mode on
either Local Device or the remote device is set to Non-secure, the
Bluetooth Authentication screen does not appear.
A message is displayed on the screen indicating that the service
information is being updated.
It may take several minutes to complete the service update.
Now you are prepared to connect with Bluetooth.
User's Manual 9-7