If you have the original recovery discs for Windows 7, they contain all custom Sony drivers. Copy the Drivers folder from the disc to your USB drive.
If you are not a technical user, the safest and most efficient method is . Download the full offline pack (about 16GB) on another PC, copy to USB, and run on the Vaio. SDIO will match drivers via hardware ID without needing internet. It has saved countless Sony Vaio laptops from driver hell. Driver Sony Vaio Pcg-61311u Para Windows 7
Plug an Ethernet cable (Wi-Fi won’t work initially). Run → Check for updates → Optional updates. Microsoft still hosts many signed drivers for the PCG-61311U. If you have the original recovery discs for
: Enables on-screen displays for volume and brightness controls. copy to USB