Dell Vostro a840/860 Bluetooth drivers?

Hey again, I have got myself a Dell Vostro a840/860 laptop, like it very much!

The laptop came with Ubuntu 8.04 LTS, but of course I flushed the HDD and installed Windows 7 on it the first day. No issues, everything works OTB, except Bluetooth. Device manager sees it as a device, but it did not identify it - no driver. I have tried to look on Dell's support site, but they got drivers only for Vista and XP. I have tried Vista drivers (a bluetooth suite), but 7 says there are known compatibility issues with this application etc. Tried compatibility mode, they do install, app installs and asks me to turn on the BT by pressing fn - F12 combo (Wireless and BT devices on/off) and you guessed it - nothing happens when I press the combo...I can't finish the installation, I can only click "cancel", I get the suite - works fine, but BT still has no driver and is not working.

Are there any drivers for my Dell for W7 32-bit, or something?

Anything I can try, hacks, drivers for different laptop that may work?..

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