Download Toshiba Hotkey Utility for your model from the support site.
"Unknown Device" labeled with ACPI\TOS6205 in Device Manager. Missing Bluetooth icon in the system tray. Bluetooth devices refuse to pair or connect. Method 1: The Official Way (Dynabook/Toshiba Support)
The driver you need is a generic ACPI driver from Microsoft. It is a Toshiba‑specific utility that often goes by one of the following names in official support packages: Driver acpi tos6205 toshiba
Enter your laptop’s specific model or serial number (found on the sticker underneath the machine).
: It handles sleep, hibernation, and battery-saving profiles unique to Toshiba hardware. Common Symptoms of a Missing TOS6205 Driver Download Toshiba Hotkey Utility for your model from
If you are using a Toshiba laptop—or a newer Dynabook device—and notice an "Unknown Device" in your Device Manager, or if your Bluetooth is malfunctioning, you are likely looking for the .
ACPI stands for Advanced Configuration and Power Interface. It is a standard that allows your operating system to communicate with and manage the hardware inside your computer. The code TOS6205 is a unique identifier that points to a specific piece of hardware on Toshiba laptops. Bluetooth devices refuse to pair or connect
What is the of your Toshiba laptop? (e.g., Satellite L755, Portege Z30)
This specific hardware ID points to a legacy system component crucial for managing proprietary hardware features. Understanding what this driver does and how to install it can resolve persistent system warnings and restore missing laptop functionality. What is the TOS6205 ACPI Driver?
Look for an .inf file (often named tosrfbus.inf or similar). Select it, click , and confirm the installation despite any unsigned driver warnings. Alternative Workaround: Using a USB Bluetooth Dongle
Click . Select Show All Devices and click Next . Click the Have Disk... button.