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Windows 7: Windows 7 (32-Bit) Won't Recognize 8400M GT on VAIO

16 Jan 2010   #1

Windows 7 - 32 Bit
Windows 7 (32-Bit) Won't Recognize 8400M GT on VAIO

I’m an online college student who needs is laptop to work properly. I’m not too tech savvy myself but I have the required information that you would need to create a custom .inf file for me, and recommend the proper driver download, If you would please be so kind:

SONY VAIO Laptop Model # VGNAR520E
NVIDIA 8400M GT running Windows 7 32-bit (x86)

In an earlier post regarding driver downloading, torrentg said “tell it you have 8800 any kind”, would this apply to me? If so, does that mean I select “Product Series: GeForce 8 Series” from the drop down menu?

Thanks in advance for all your help!


My System SpecsSystem Spec
16 Jan 2010   #2

Windows 7 Ultimate Signature Edition

yes, that applies to you as well.
My System SpecsSystem Spec
16 Jan 2010   #3

7 Ultimate x64

You want the 8M series drivers and not the 8.
My System SpecsSystem Spec

16 Jan 2010   #4

7 Pro x64

Do yourself a favor and just download the Dox custom NVIDIA drivers...that's what I did for my 8400M GT.
My System SpecsSystem Spec
17 Jan 2010   #5

Windows 7 - 32 Bit
Solution for those who have Windows.old!

I went ahead and started looking through my Windows.old files and ended up finding my old driver from Vista. I just ran the set up and now voila! My computer is back to normal. I must have been doing something wrong before because while my computer would act okay for a little while, it would eventually start glitching, and sometimes even run an unexpected shutdown. Thanks to everyone who helped me though!

My System SpecsSystem Spec

 Windows 7 (32-Bit) Won't Recognize 8400M GT on VAIO

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