If you are prompted for password, type the password. Yellow bang on the pci simple communications controller is caused by a missing or corrupted management engine driver. Hp Q1539b Refurbished Tape Drives Tape Storage Driving This will resolve the smbus driver issue. Pci simple communications controller driver windows 10 . I had the pci simple communications controller error on an asrock motherboard that was supported for win 10. Click control panel > system and security. Windows 10 64bit in drivers and hardware To find it you need to go device manager > other devices > pci simple communications controller. So this is what i did. To do so, you will first need the driver’s details. As for the pci simple communications controller, this is actually the intel management engine interface (mei), the device that supports software running on the main processor communicating with firmware running on the intel management engine. When you install the driver then you...