I have a Sony Vaio F Series laptop running Win7 64. The problem is that the laptop won't hibernate. If I go to Start->Hibernate then the display turns off and then turns on again after a few seconds. I have Nvidia GT 330M GPU and I've tried installing an older version of the driver. I have tried all the options in Power Settings but still no luck. Can anyone help??
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Have you installed the motherboard chipset support drivers from Intel, AMD or nVidia.