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G570 - 2 unknown devices in Device Manager


Lenovo G570, there are two unknown devices lised in device manager.


The two deivces with hardware ID's are the following.


PCI Simple Communications Controller - PCI\VEN_8086&DEV_1C3A&SUBSYS_397517AA&REV_04\3&11583659&0&B0

Unknown Device - ACPI\VPC2004\0


Ensure you have the Lenovo Energy Management for your laptop installed.  Support site here


Once the Lenovo Energy Management has been installed do reboot the laptop, however there are still 2 unknown devices. Do ensure the following has been installed from the support site based on your system model.


  • Audio driver
  • Chipset driver
  • Video driver
  • Camera driver (if you have the webcam version)
  • LAN driver
  • WLAN driver
  • BlueTooth driver
  • Card reader driver
  • TouchPad driver








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NateS On 2014-03-23, 1:39 AM

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