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  • Re: Sony Vaio Model number explained (z-series)

    Hi vaiouser23,Have a look at the following links. This should give you an idea of the various specifications for some of the different models within the Z series....

  • sony vaio notebook VPCZ12V9R Model

    Does the fault show in BOTH Speed and Stamina Modes - i.e. with both graphics cards? If no, then try reinstalling the nVidia/Intel Hybrid Graphics Driver to see if that helps. If yes, it starts to...