Bluetooth kext sometimes loads sometimes not

[omero72]

Hello

 

I'm using a Lenovo N500 3000 Laptop with Lion 10.7.2 and most of the things are working fine on it.

 

But the Bluetooth sometimes isn't loaded at boot (I get crippled BT symbol at the upper menu) and sometimes it 's loaded and it works fine when loaded (the BT mouse works perfectly)

 

Here are the loaded kexts I captured with system info. The first one is when BT kext(s) are loaded, the second one is when BT kext is  not loaded.

 

 

 

 

 

How can I make sure that the Laptop loads the Bluetooth kext at boot all the time? Thanks.