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Question

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

Answer

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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