Many have encountered some problems when installing the drivers for the laptop brand Sony VAIO series SZ. After installing all the drivers do not work extra keys, volume, brightness, etc., as well as in the Device Manager displays the number of "unknown devices". The first is that the manufacturer recommends it to flash BIOS. The new version should download only from the company's website. During firmware money had to be shoved is not what programs , the laptop must be connected to the AC adapter during the firmware after flashing the laptop power off , wait 30 seconds before reconnecting it . Now you can install the OS in my case it was a Windows 7 x86. Under the C drive I have allocated 60 GB. After installing the operating system to download from the manufacturer's website and install all the drivers . Sony VAIO VAIO VGN-SZ ALL DRIVERS For WINDOWS 7 (32bit и 64bit), WINDOWS 8: Link 1: Download Letitbit.net Link 2: Download Turbobit.n...