Finally, he ran the Sony Notebook Control Device driver. He tapped the volume key. A small, elegant green bar appeared on the screen. It worked.
: Search for your specific "VPC" model number on the Sony Support Page . sony vaio pcg-61a11u drivers windows 7 64 bits
For the (often part of the VPC series like VPC-EH or VPCEH), running Windows 7 64-bit , the most useful feature you can enable via drivers is the “Sony Notebook Utilities” + “Sony Shared Library” combo. Finally, he ran the Sony Notebook Control Device driver
