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DOWNLOAD - Accurate and Tested Drivers For Intel Engine Management, Card Reader, VGA, Wifi, Ethernet, LAN, Network, Bluetooth, Intel Chipset And Modem For Windows XP, Vista, 7, 8, 10, 11 For LENOVO G580 Laptop Windows 8.1 Home 64 Bit DRIVERS

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BCM20702A0 - Update in device manager or OS
Correct device - Broadcom bluetooth 4.0 usb

PCI simple communications controller - Update in device manager or OS
Correct device - Intel management engine interface

Unknown device - Update in device manager or OS
Correct device - Lenovo ACPI compliant virtual power controller