Sony Vaio Pcg-31311m Drivers Windows 7 〈Works 100%〉

| Problem | Likely Cause | Solution | |---------|--------------|----------| | No audio after Windows reinstall | Missing Realtek driver | Install Realtek HD Audio 2.82 or newer | | Fn keys not working | Missing Sony Shared Library + Vaio Event Service | Install in order: Shared Library → Event Service → Control Center | | Wi-Fi not turning on | Hardware switch or missing driver | Check physical switch (front edge) + install Intel PROSet/Wireless | | Blue screen on boot | Incorrect SATA driver | Boot into safe mode, install Intel RST driver | | Device Manager shows unknown device | ACPI or Sony Firmware Extension Driver | Use Hardware ID search; often “Sony Firmware Extension Parser” |

Getting your drivers working on Windows 7 is mostly about identifying the correct series name ( VPCEH ) on the support site. Once you have the Sony Shared Library, Chipset, and Graphics drivers installed, the rest is easy! Sony Vaio Pcg-31311m Drivers Windows 7

Install Windows 7 with Service Pack 1 (integrated ISO recommended). During setup, skip entering a product key until the desktop loads. | Problem | Likely Cause | Solution |