Q. Hello, I have toshiba satellite c850 fo1n “unknown device and pci simple communication controller” not working can you help out?
A. Sure! If your device manager is showing a yellow question mark for unknown device F01n as well as the simple communications controller on the Satellite C850, that problem should be solved by the following driver download:
(Intel Chipset Utility for Toshiba Satellite laptops, both 32 bit x86 and 64 bit x64)
NOTE: this driver may also work for these models Satellite C855, Satellite L870D, Satellite Pro L850, Satellite C850D, Satellite C855D, Satellite C875, Satellite C870, Satellite Pro C870, Satellite L875, Satellite Pro C850, Satellite L850D, Satellite C870D, Satellite C850, Satellite Pro L870, Satellite C875D, Satellite L870, Satellite L850, Satellite L875D
PS if this driver was helpful to you, please rate this post 5 out of 5 stars in the comments, thanks! Toshiba Satellite F01N unknown device / pci simple communication controller [driver download],