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:ĭriver for Toshiba Satellite C850, L870D, L850D and more. ![]() Download Standard Sata AHCI Controller Driver Windows 10, 7. Download PCI Simple Communications Controller Driver Windows 10, 8, 7. Hello, I have toshiba satellite c850 fo1n “unknown device and pci simple communication controller” not working can you help out?Ī. I go to the device manager and it says the ethernet controller, network controller, PCI simple communications controller and the SM bus controller need. As for why the PCI Data Acquisition and Signal Processing Controller Toshiba or on any other PC came across a problem.
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