This is unique to Vaio. You cannot just install the touchpad driver or webcam driver and expect the physical buttons to
Enter your "VPCEB" model number into the Sony Support search bar. Select "Windows 7" as your operating system to see the available downloads. Sony Vaio PCG 71315L Drivers For Win7
Ensure your Windows 7 installation includes and the Platform Update (KB2670838) . The Intel HD 3000 driver requires it. If you have a plain Windows 7 RTM disk, first run Windows Update. This is unique to Vaio
On a working PC, download a free tool like Unknown Devices or look in Device Manager (before reinstall) to record hardware IDs (e.g., VEN_8086&DEV_0166 for graphics). Hardware IDs never lie. Ensure your Windows 7 installation includes and the
Check the small sticker on the bottom-right corner of your screen’s frame. Restart your computer and tap
: Download the Intel ME driver first to ensure Windows recognizes the hardware correctly.
This is the most reliable method when you cannot find a pre-packaged driver suite.
