Use the if you can’t find the exact Sony model.
If you perform a clean install, you will likely need these specific components to make the Vaio-specific features (like Fn keys) work: Sony Shared Library : The foundation for all other Vaio utilities. VAIO Event Service : Enables hotkeys and volume controls. Notebook Control Device : Essential for power management. Graphics Driver : Typically AMD Mobility Radeon HD 6310 for this series. 4. Alternative Recovery Method Drivers and Software updates for Laptop PC | Sony USA Sony Vaio Pcg-31311m Drivers Windows 7
Without these, you cannot access the internet to download the remaining updates. Use the if you can’t find the exact Sony model
This is the most critical "hidden" driver. If you see an in Device Manager with the ID SNY5001 , this is what you need. Purpose: Enables the "Fn" hotkeys (brightness, volume). 📥 How to Download and Install Notebook Control Device : Essential for power management