I just bought Lenovo g560. And installed windows 7 pro. x64 and installed drivers from driver cd shipped with laptop (windows 7 drivers). After installed all drivers still I had one device unknown ; device id = Acpi\Vpc2004. In the Windows 7 solution center, there...
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Re: Unknown Device driver not found: ACPI\VEN_VPC&DEV_2004 Hi Thematrix01, Welcome to Lenovo Community! As per the query we understood that you are facing issue with ‘Unknow device’ showing in device manager on your Lenovo G505s. It is related to Energy Management...
Hi Gursoy, please try this... download U310Lenovo Energy Management driverto desktop, then go toControl Panel\All Control Panel Items\Programs and Featuresand un-installEnergy Management next shut down, then start your U310 again and install the downloaded driver. http://www.etcwiki.org/...