Look for a category labeled "Hardware Interface" , "System Device" , or sometimes " chipset."
On Windows 11, do not rely on the Toshiba RFBUS driver. Remove it and use native Windows wireless management. For function keys, try SharpKeys or AutoHotkey scripts instead. toshiba rfbus driver windows 11
These issues are not fatal, but they drastically reduce the user experience on what could otherwise be a perfectly functional Windows 11 laptop. Look for a category labeled "Hardware Interface" ,
This is the safest bet for legacy hardware. You can search for "Toshiba Bluetooth RFBUS" to find official driver packages submitted to Microsoft. Driver Repositories: Sites like DriverScape host versions compatible with Windows 11 (64-bit). Version 9.00.4624.0 toshiba rfbus driver windows 11