Most core components will work automatically via Windows Update, but specific Sony features require manual attention.
Since "PCG-81114L" is a chassis code and not a specific support model, you must use your "VPC" model number to find files. Drivers and Software updates for Laptop PC | Sony USA Sony Vaio Pcg-81114l Drivers Windows 10
This is a background utility required for the VAIO Control Center to communicate with your hardware. Most core components will work automatically via Windows
This is the most critical driver. Without it, your Fn (Function) keys, brightness control, and special buttons (like Assist or Vaio) will not work. your Fn (Function) keys
Because Sony has ended official driver support for many legacy models, finding a single Windows 10 installer for the PCG-81114L requires a strategic approach.