Sony VAIO VGN-CR - Manual (Page 160)

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Troubleshooting
Can I use a device with Bluetooth technology on airplanes?
With Bluetooth technology, your computer transmits a radio frequency of 2.4 GHz. Sensitive locations, such as hospitals and
airplanes, may have restrictions on use of Bluetooth devices, due to radio interference. Check with facility staff to see if use
of the Bluetooth functionality on the computer is permitted.
Why can't I use the Bluetooth functionality when I log onto my computer as a user with a
standard user account?
The Bluetooth functionality may not be available to a user with a standard user account on your computer. Log onto the
computer as a user with administrator rights.
Why can't I connect to a Bluetooth device with a PAN?
If the device to which you want to connect does not support Bluetooth communication in Personal Area Network User (PANU)
mode, you cannot connect to the device with a PAN.
Why can't I use the Bluetooth devices when I switch a user?
If you switch a user without logging off your system, the Bluetooth devices will not work successfully. Be sure to log off before
switching a user. To log off your system, click Start, the arrow next to the Lock button, and Log Off.
Why can't I exchange business card data with a mobile phone?
The business card exchange function is not supported.