Hello, I am having the same problem presented in this old post, but the post has no solution. http://forum.notebookreview.com/msi/251472-gx600-bluetooth-problem.html My situation also has a new twist. My laptop version has a single button to toggle between WiFi, Bluetooth, both, or neither. I could toggle between them and the ACME display and LED would change accordingly (dark blue, green, light blue). But there would still be no bluetooth, and everytime I tried to install the Toshiba BT stack, it would ask me to "plug in" the bluetooth. It never would install regardless of the status of the toggle button and LED. This was with BIOS version 1.0. Then I flashed to the latest BIOS (with Turbo support - v.112, downloaded from MSI Global ? Notebook - GX600. Now when I press the Wifi/Bluetooth toggle button, I see no ACME pop-up (although it still works for sound volume) and the LED only toggles from green to off. And still when I try to install the Toshiba BT stack, it asks me to "plug in" the bluetooth. I also do not see any corresponding unknown devices in Device Manager. I have the MS-163a and on the bottom of the laptop is a label saying that I have the MS-6837D bluetooth module installed. Any ideas on how to get BT working? Has the latest BIOS left out bluetooth perhaps (although that would not explain the problem with the original BIOS)? I know this is an old laptop, but it still has lots of life left in it. Any help would be much appreciated. The MSI FAQ suggests a BIOS update would solve thi sproblem, but clearly it has not, at least not with the very latest BIOS for the Turbo models. On a side note, I noticed with the new BIOS that turning on Turbo mode does not automatically speed up the fan. I hope this means that the fan is just smarter now, and not that the BIOS disabled Turbo mode and just lights up the Turbo LED to make me think it is working when it is not... I am running Windows Vista Home Premium 32-bit (OEM). Thanks in advance.