bluetooth problem.......pls help

hi
i have an inspiron 1420 as in my sig. with windows vista home basic 32 bit.

i usually keep my bluetooth off by going to control panel>>bluetooth devices>>device>>turn off bluetooth adapter.

however when i today tried to turn bluetooth on and clicked the bluetooth devices in control panel it didnt come up. it just showed semi busy mouse pointer for sometime and then no indication.

another thing i have noticed is that the shortcut for this icon in startmenu is not shown in standard bluetooth icon, but as a plain file icon (see the attached pic). i cant use my bluetooth also

i tried the following but were of no use

1. uninstalled and reinstalled the bluetooth driver
2. turned off bluetooth and then again turned it on in bios.

the following stuff may be noted

1. when installing drivers, the setup flashed new firmware into the bluetooth
which i havent seen before

2. after the first reinstall an icon with red bluetooth icon came in the taskbar. i rightclicked it and was able to turn on the bluetooth device(the BT light on panel came on) , but still i am unable to use it, it wont detect my motorala kept nearby (i am sure the phone is perfectly ok as it can be paired with my bros' nokia)

3. the setup says installation was successful but device manager showed 2 unknown 'bluetooth periferal devices' (however it showed 3 other recognised bluetooth devices (i have only one )

4. after all these stuff still i cant open the bluetooth devices in control panel nor use my BT

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