Cannot enable bluetooth on Asus Slate ep121

If I right-click on the bluetooth-applet an hit "Turn on Bluetooth" the applet indicates "Bluetooth: On" but when I open "Bluetooth setting ..." it indicates that bluetooth ist "off" and I cannot link it with any bluetooth device.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: gnome-control-center 1:3.4.2-0ubuntu11
ProcVersionSignature: Ubuntu 3.5.0-11.11-generic 3.5.2
Uname: Linux 3.5.0-11-generic x86_64
ApportVersion: 2.5.1-0ubuntu2
Architecture: amd64
Date: Sun Aug 26 14:21:06 2012
ExecutablePath: /usr/bin/gnome-control-center
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120821)
ProcEnviron:
 LANGUAGE=de_DE:de
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: No upgrade log present (probably fresh install)
usr_lib_gnome-control-center:
 activity-log-manager-control-center 0.9.4-0ubuntu3
 deja-dup 23.90-0ubuntu1
 gnome-control-center-signon 0.0.13-0ubuntu1
 indicator-datetime 12.10.0-0ubuntu1