If you cannot read the serial number, look at the bezel around the screen. You will likely see something like:
Search for that model number on the Sony support site. If that fails, PCG-71314L generally corresponds to the VPCEB family (15.5 inch). sony pcg-71314l drivers
If you are performing a clean install of Windows 7, Windows 8, or Windows 10, you must install drivers in a specific order to ensure hardware works correctly. Below are the critical drivers needed for this chassis. If you cannot read the serial number, look
If you experience conflicts: