Question about Sony VAIO VGN-SZ440 Notebook

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My sony vaio vgn sz440 is not changing from stamina to speed

I have installed Windows 7 its was working fine till few days back, it automatically changed to stamina instead of speed and also it is not installing the nvidia driver. Real assistance required. Regards NeXuS

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  • Sony Master
  • 3,606 Answers

Hello try to download the driver from here:

http://esupport.sony.com/US/p/model-home.pl?mdl=VGNSZ440&template_id=1&region_id=1&tab=download#/downloadTab

Here is only drivers for windows vista.
But sometimes it work on windows 7
Aslong it`s a 32 bit system.
Here is no driver for the 64 bit system.

The new nvidia graphic driver is here:

http://www.nvidia.com/object/geforce_notebook_winvista_win7_179.48_beta.html

Good luck

Posted on Nov 28, 2012

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: stamina/speed switch

This IS very likely a hardware problem. I'm not very sure about your model but I know that many SZ users w/ G84xx/G86xx NVIDIA card out there are having similar problem -- could be due to NVIDIA chip failure.

http://www.theinquirer.net/gb/inquirer/news/2008/07/09/nvidia-g84-g86-bad

Sony had just acknowledged this problem (failed G84/G86 NVIDIA chips) recently but unfortunately SZ series models were not included in the list.

http://www.theinquirer.net/inquirer/news/1528907/sony-admits-failing-nvidia-chips-months-late

In case you're using SZ model and are having G84/G86 nvidia card, just give sony service center a call, at least to let them take your issue into their record.

Posted on Aug 19, 2009

Techie2core
  • 42 Answers

SOURCE: i need driver for sony vaio vgn-cs215j PC Notebook

You can go to this website:

http://esupport.sony.com/US/perl/swu-list.pl?mdl=VGNCS215JP&SelectOS=42

Select the operating system as Windows 7 and the updated cam driver is there..

Posted on Dec 03, 2009

Testimonial: "camara finally worked ,.. tanks... is there any software that would make the capture button work again? ... "

asingh1225
  • 122 Answers

SOURCE: Sony Vaio VGN-FE770G windows 7 upgrade problems

hello, try the link below;

ftp://download.sony.com/US/pc/TIDMSC-01424702-US.EXE

the driver above is for vista and should work with windows 7.
I hope this helps.
Kind regards,

Amar Sondhi

Posted on Dec 14, 2009

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