HAS your bluetooth drivers stopped working at all in windows xp and windows 7 at once!
Try downloading Latest Bluetooth Drivers for Bluetooth device for your notebook from official satellite:
Download drivers:
If you know the manufacturer of bluetooth device in your laptop then you can download the bluetooth stack directly from Thier site :Try This
1.WIDCOMM Bluetooth(Broacom):
http://www.broadcom.com/support/bluetooth/update.l
Windows 7:
1.Look for bluetooth icon in taskabar
2.Use dedicated bluetooth on/off button on laptop if it is available
3.Check Wirless indiacator to check i bluetooth is actually working or not
4.Search "Change bluettoth settings in start menu search or controlpanel and open the bluetooth settings:Activate bluetooth from their if possible.