Test the physical buttons: The button should boot into VAIO Care (if installed). The WEB button should launch your default browser. The brightness and volume Fn keys should trigger an on-screen graphic.
To find a full set of drivers for your Sony VAIO PCG-71911M , you must first identify its actual product model name, as Sony’s support site typically does not list drivers under the "PCG" chassis number. Sony Deutschland 1. Identify Your Real Model Name The PCG-71911M is a chassis reference for the VAIO VPC-EH series . Common specific models for this chassis include: VPC-EH3N6E VPC-EH2H1E VPC-EH2N1E How to find yours: Check the sticker on the bottom of your laptop for the "Product Name" (e.g., VPC-EHxxxx). VAIO Control Center > System Information. Look at the bezel around the screen. 2. Download Drivers from Sony Once you have the VPC model name, visit the Sony Support site and enter it into the search box. Essential Drivers to Install: drivers sony vaio pcg 71911m drivers full
For a full feature setup, ensure you install these specific drivers and utilities in order, especially if you are using Windows 7 or 10: Sony Shared Library: Required for most other Sony utilities to function. Sony Notebook Utilities: Enables specialized features like the button and brightness controls. SFEP Driver: Test the physical buttons: The button should boot