I have a sony vaio VPCEH25EN laptop. A successor of VPCEH15EN laptop. I have installed windows 7 ultimate 64-bit OS on this machine. And installed all drivers from sony website successfully. But, I am unable to use the bluetooth on this laptop. I tried using wireless switch but, in vain. The light goes green. But, bluetooth icon doesn't show up in the bottom right corner. I have done a 2-time clean install of the OS. And both times, I observed that before installing bluetooth drivers, "bluetooth radios" is present in device manager. But, once the bluetooth drivers are installed successfully, the "bluetooth radios" section just disappears from the device manager. Please help me to fix this strange problem. I have done all possible things that computer geek would do.
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