Question about Dell Dimension 8400 PC Desktop

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EVGA 9400 GTvideo card problem only 1x mode

I bought a EVGA 9400 GT 1 GB video card. I have installed the updated drivers as well as the Control Panel software. When I start my computer I receive an alert "PCi Express card is in 1x mode. Press F2 to go to set up or F1 to continue". I go to set up But I donot know what I'm supposed to do. The 9400 GT was resommended by Dell saying it's compatible with my 8400. I get video to work but some of the videos the sound is off by a scond or two. Any suggestions would be greatly appreciated.

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  • Robert Castillo Feb 20, 2009

    I have a Pentium 4 3.40 GHz processor and the box says 300 watt minimum I believe i have a 350 watt power supply.It also requires minimum of 18 amps on the +12 volt rail. Could the amp requirement be the issue?

  • Robert Castillo Feb 20, 2009

    I just replaced 2 GB of PC3200 with Kingston 2GB PC5300. I purchased the card and the memory together.

  • Robert Castillo Feb 20, 2009

    If this helps I also forgot to mention I was replacing the ATI Radeon x1600 video card that I bought almost 3 years ago. I removed all the drivers and ATI software before I installed the 9400 GT.

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Sounds like the processor is not enough GHz to run the video card. If I am not mistaken the 9400 GT needs a 2.3GHz or higher processor and needs a 400 watt powersupply to run properly so if your computer is not set up to those specs the card will not work properly

Posted on Feb 20, 2009

  • Jeremy Reddick
    Jeremy Reddick Feb 20, 2009

    Yes that was going to be my next fix. This computer that you have is a great computer. But Dell does not always know what is right or if you have changed anything. How much memory do you have in your computer? If you are under 2 GBs then I would upgrade your memory also. This will help take a load off of your computer itself

  • Jeremy Reddick
    Jeremy Reddick Feb 20, 2009

    Then upgrade your power supply to get the proper amps and everything should work fine. You are having a Amp problem

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I m using geforce 9400 gt chipset card from zotac. when ver i try to update my driver to a newer version system color scheme will go down to 4bit and it will refuse to change. its working fine with the old...


Hello dimash, you must remove nvidia old drivers before installing latest driver, go to Start> Control Panel > Uninstall a program > Nvidia Drivers Remove, Restart Computer, i found newest drivers for you video card, which operating system did you install on? To Change Resolution Go to Nvidia Control Panel > Display > Change Resolution > Color depth : Highest (32-bit)


Click save driver to your computer, install the driver, don't forget to restart the computer. Here is the links.

Copy and paste link into your browser and press enter.

For Windows XP Professional, Home Edition
1. http://www.nvidia.com/content/DriverDownload-March2009/confirmation.php?url=/Windows/260.99/260.99_desktop_winxp_32bit_english_whql.exe&lang=us&type=GeForce



For Windows 7, Vista 32-Bit=x86
2. http://www.nvidia.com/content/DriverDownload-March2009/confirmation.php?url=/Windows/260.99/260.99_desktop_win7_winvista_32bit_english_whql.exe&lang=us&type=GeForce



For Windows 7, Vista 64-Bit=x64
http://www.nvidia.com/content/DriverDownload-March2009/confirmation.php?url=/Windows/260.99/260.99_desktop_win7_winvista_64bit_english_whql.exe&lang=us&type=GeForce


Good Luck!



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Dec 02, 2010 | Jaton NVIDIA GeForce 9400 GT, PCI Express...

1 Answer

My geforce 9400 GT will not properly install drivers in my ASUS M2V-MX SE. When install the nvidia drivers old and new. the video card has a yellow exclamation next to it


If you uninstall the onboard driver and then update the new cards driver in device manager the problem should be solved.

If not you can always reinstall your operating system, that usually solves any driver issue.

If that doesn't work then your card is most likely not compatible with your motherboard.

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Hi can i install evga gforce 9500 gt video card


Yes, it will work just fine. Just make sure you uninstall the drivers of the embedded one before installing the new one and you disable it from the BIOS immediately after.

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Graphic card stopped working normally


Uninstall the current display drivers from the Control Panel > Remove Programs.

Then, go to Windows Update to download their version of the driver. It will work.

Aug 06, 2009 | Pine Technology XFX GeForce 9400 GT, PCI...

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I want to upgrade my Nvidia G Force 9400 GT 1 GB driver but for free!!!!!! Can you give me downloadable sights. I don`t want to buy programs just downloads for free. Thanxs


Well my search shows up these drivers but I dont see anyone applicable for you
http://members.driverguide.com/index.php?action=dosearch&qa5=4&qa6=744&dp=3&sm=h&jmd=and&fzz=b&si=e507be48cb269f00ab110d79eb65a121&st=1239449449&gqm0=Ge+Force+9400+GT+Graphics+Video+Adapter&sa=1
.......sodeep

Apr 11, 2009 | Nvidia G-Force FX5200 256M DDR 8X AGP...

1 Answer

After restart motherboard beep 3 times


With the award bios 3 beeps usally indicates the video adapter (1long beep 2 short beeps) So one question for clarifcation.
Did you replace an older vid card that was having this problem with the 9400 or was the 9400 card the only card in this system?
If the 9400 was the only card ever in the system I would say RMA the card. It is very possible for a new card to be defective. If you where having the same issues with an differnt card as well You Should goto http://support.asus.com/download/download.aspx?SLanguage=en-us and update your bios to the latest version.
If you still have a problem after updating the bios then I would RMA the motherboard.

Hope this helps and let me know how this turns out.

Merry christmas:
Sean

Dec 24, 2008 | ASUS M2N-MX Motherboard

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