My laptop detects two unknown devices marked "The drivers for this device are not installed. (Code 28)".
The first is located on the "embedded controller compatible with Microsoft ACPI" and another on "LPC Interface Controller Intel (R) ICH9M - 2919".
The first device ID is:ACPI \ VPC2004* VPC2004
ID of the other device are:ACPI \ ITE8708* ITE8708
The wrong driver could have been downloaded.
Make sure to check under Control Panel / Programs and Features and check if there is a software like this (If yes uninstall it first before installing the driver below).
Lenovo Energy Management
Windows 7 64 bitIN12STW76WW6.exe11.2 MB
For the ACPI \ ITE8708 Try downloading and installing the following:
Windows 7 64 bit
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