Drivers Sony: Vaio Pcg 31311x Windows 7

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Sony laptops have two model numbers. "PCG-31311X" is a chassis number, but for drivers, you need the (e.g., VPCYB15AB ), which is usually found on a sticker around the screen or bottom of the laptop. 2. Official Sony Support Status Drivers Sony Vaio Pcg 31311X Windows 7

Broadcom driver and Sony’s Bluetooth Stack conflict. Fix: Use the generic Broadcom Bluetooth driver (not Sony’s). Disable "Allow hybrid sleep" in advanced power options. : Sony laptops have two model numbers