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Unknown device after window 8 clean install

2012-12-07, 21:37 PM

Really need help.


I just upgraded my ideapad u310 ultrabook to windows 8, a clean upgrade. 

there is one unknow device: 

ACPI/VEN_AOA&DEV_2011 (details)


does anyone know what it is...


Plus, does anyone know how to get veriface, onekey recovery back? 


Thank you!!




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Re: Unknown device after window 8 clean install

2012-12-08, 7:48 AM
You have to install the lenovo energy management driver
Download from below
However, the software for windows 8 may not work because of some issue from lenovo itself. So you can always use the onse for windows 7 if required. Test the windows 8 software first though.
Ishaan Ideapad Y560(i3 330m), Hp Elitebook 8460p!(i5-2520M) Hp Pavilion n208tx(i5-4200u)
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