Here is the harsh truth: Toshiba officially dropped support for the Satellite C660 Bluetooth module after Windows 7. If you have upgraded to Windows 10 or 11, the official .exe installer from Toshiba’s support site will refuse to run, or will crash immediately.
The "ACPI" component specifically allows the system to turn the Bluetooth module off when not in use, preserving battery life—a critical feature for portable laptops like the Satellite C660. Interface with the OS:
ACPI\TOS6205 is a specific hardware identifier for the Bluetooth controller interface found in several legacy Toshiba laptops, including the Satellite C660 series
The identifier specifically denotes the Bluetooth Stack software and controller module built into older Toshiba laptops. When Windows displays a yellow exclamation mark next to "Unknown Device" with this ID, it means the operating system recognizes the physical chip but lacks the software bridge to communicate with it. Why You Need the Driver ZIP File
You now need to install the Bluetooth Filter Driver for your specific Bluetooth chipset. For the Toshiba Satellite C660, this is often the Atheros Bluetooth Filter Driver Package version 1.0.4 . You can find this driver in the download links table above. Install this driver using the same method as for the main ACPI driver. Bluetooth Acpi Tos6205 Toshiba Satellite C660 Zip
Which (e.g., Windows 7, 10, or 11) is currently installed? Is your operating system 32-bit or 64-bit ?
If you can tell me the exact you are using (e.g., 7, 10, or 11), I can help you find a more specific driver. If you'd like, let me know: Are you seeing a yellow exclamation mark in Device Manager? Have you tried updating the Bluetooth stack driver yet?
The code ACPI\TOS6205 is the for a specific ACPI device integrated into many Toshiba laptops, including the Satellite C660 series. In the context of your Toshiba Satellite C660, this device is the interface that manages your Bluetooth radio . The Bluetooth ACPI (Advanced Configuration and Power Interface) driver enables your operating system to communicate with and control the Bluetooth module. Without this driver, your Bluetooth cannot function.
If you are still having trouble, consider checking your BIOS settings to ensure Bluetooth is enabled. Here is the harsh truth: Toshiba officially dropped
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For older Windows 7 (32-bit) systems, J.D. Hodges provides a mirror for the BT-stack-toshiba.zip .
If you've downloaded the ACPI TOS6205 driver as a ZIP file, here's how to install it: Interface with the OS: ACPI\TOS6205 is a specific
The driver itself works perfectly fine (8/10), but the user experience is poor (4/10).
Inside the folder, look for an executable file named Setup.exe or TosBtMng.exe . Right-click the file and select .
Browse to the folder where you extracted the zip file and click .