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RegularJohn
What's DOS?
Posts: 1
Registered: ‎11-20-2013
Location: Poland
Views: 2,444
Message 1 of 1

G700 - two unknown devices remain in device manager (Windows 7 64bit)

Hi, 

 

I've just bought G700 (59-377707), a clear without OS version.  I've just installed 64bit Windows 7 and installed all available drivers (some from the CD, some from Lenovo Support website). However, the device manager still shows two devices as "Unknown". Here are the details:

  • Device 1
    Hardware Ids: root\spfd_bus
    Device Instance Path: ROOT\SYSTEM\0001
  • Device 2
    Hardware Ids: root\Lenovo\Vhid
    Device Instance Path: ROOT\LENOVOVHID\0000

I think the second one is concerning power management. However, as I already installed available drivers and updates I would also ask for any help on it. 

 

Thanks a lot!

 

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