I just bought Latitude D630 (2nd hand) but I don't know if my D630 have/haven't bluetooth device.
how to check it?
and how to enable it?
See the Service Manual for the D630 to see how to check whether or not the Bluetooth Intenal module is physically present:
<ADMIN NOTE: Broken link has been removed from this post by Dell>
plz tell me who to enable bluetooth of laptop D630