Installs the AMD Catalyst Control Center and Display Driver.
The driver for your hardwired Ethernet port.
Display brightness adjustments (which fail completely under generic drivers). 3. Network Controllers (LAN & Wi-Fi) Drivers Sony Vaio Pcg 31311X Windows 7
Restores fluid tracking and custom edge-scrolling properties to the trackpad. Sony Firmware and Hotkeys (SFEP Driver)
What are the of any remaining "Unknown Devices" in your Device Manager? Are your Fn keys currently working? Share public link Installs the AMD Catalyst Control Center and Display Driver
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Because Sony officially ended many legacy VAIO downloads and closed standard update services, finding original working drivers requires precise knowledge of the hardware architecture. This comprehensive article provides a step-by-step installation order, hardware configuration details, and troubleshooting methods to restore your ultraportable laptop to peak performance. 1. Cross-Referencing the PCG-31311X Model Number Sony laptops feature two separate model identifiers: Are your Fn keys currently working
Before downloading drivers from third-party component manufacturers, verify the core integrated components of the PCG-31311X Go to product viewer dialog for this item. Hardware Component Integrated Chipset / Manufacturer AMD Dual-Core E-350 / E-450 APU Graphics Accelerator AMD Radeon™ HD 6310 or HD 6320 Graphics Audio Controller Realtek High Definition Audio (AMD Hudson Chipset) Network Interface (LAN) Atheros AR8151 PCI-E Gigabit Ethernet Go to product viewer dialog for this item. Wireless LAN (Wi-Fi) Atheros AR9285 Go to product viewer dialog for this item. (or Broadcom 802.11n depending on region) Bluetooth Module Qualcomm Atheros Bluetooth 2.1 + EDR Go to product viewer dialog for this item. Card Reader Realtek PCIe RTS5139 Memory Card Reader Go to product viewer dialog for this item. Webcam Sony Motion Eye Camera (Ricoh or Realtek Sensor Core Go to product viewer dialog for this item. 3. Recommended Driver Installation Order