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    VAIO SZ280 Trouble with Go 7400 in Win 8 Consumer Preview

    Discussion in 'VAIO / Sony' started by kevm14, Mar 24, 2012.

  1. kevm14

    kevm14 Newbie

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    I don't know if the answer to this question is simply "use the known best Win 7 driver for the SZ280." If that's the case, then may I kindly ask what IS the best driver? I am looking for glitch free performance and for brightness controls to work.

    What is glitch free performance?
    Video that doesn't lag audio
    Things don't flash and flicker on the screen
    No more bad Windows Experience Index scores that are the same, or worse, than the Intel GMA945 (stamina switch)
    No more FAILED Windows Experience Index testing (unable to complete video testing)

    So far, in Win 8 CP, the only thing I've really had any luck with is the old Sony Vista driver for the GeForce Go 7400. By luck, I mean I get brightness controls. Other performance is terrible, or glitchy.

    Before I go further, my DEVICE hardware ID is: 01D8
    My SUBSYS hardware ID is: 81E6104D

    I've been to laptopvideo2go.com and tried quite a few drivers, including:
    174.74 (latest WQHL driver for Vista that matches my DEVICE and SUBSYS)
    180.70 (latest non-WQHL driver for Vista that matches my DEVICE and SUBSYS)
    259.47 (latest Windows 7 driver, happens to be WQHL, that matches my DEVICE ID only)

    I was able to get brightness controls in 174.74 but that must have been a stroke of luck. What I've been doing is installing the Sony driver then updating the driver to a new NVidia driver, by pointing windows to an INF. I also tried running setup.exe and while I was able to INSTALL all of the above drivers, they lacked brightness controls, and video performance was pretty lousy, or even actually broken (glitchy, flashing, lagged video on playback, etc.).

    So - I ask: is it possible to get my GeForce Go 7400 working in Win 8 CP as Sony would have intended? How about Win 7, for that matter? Is the Sony Vista driver really my best choice (still suboptimal - Windows Experience Index rates lower in SPEED than it does in STAMINA running GMA945, that ain't right)??
     
    kevm14, Mar 24, 2012
    #1