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HP Media Center m3480f - Needing to run 3 monitors from ( 1 ) PCI Express 16 Slot and ( 1) PCI Slot

Posted on 2009-05-17
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Last Modified: 2013-11-06
I had this problem described below.  I went to Best Buy where I purchased the video card and the computer.  I even bought a newer better power supply 550W from what came with the computer.  No one has been able to help, any help would be greatly appreciated.

My computer:  HP Media Center m3480f running Windows Vista 64-bit
Video Card that came in computer:  Dual Display NVIDIA PCI Express 16 -  8500 GT
The new video card I bought to add a 3rd monitor:  NVIDIA PCI 8400 GS

The GeekSquad guy ( don't get me started ) told me my two options were to purchase the PCI Express 1 from somewhere on the internet, or I could just take out the OEM PCI modem, and replace with a PCI video card to run my third monitor.

I removed the PCI modem that came installed on my HP Media Center m3480f. I replaced it with an additional Nvidia GeForce 8400 GS to run a third monitor. When I install the card, it causes issues and will not recognize my video drivers.

When I go into device manager, it has a yellow triangle and excalamtion point need to two items.

1: Intel(R) G33/G31/G35 Express Chipset PCI Express Root Port - 29C1

2: Intel(R) 82801 PCI Bridge - 244E

It gives me an error code (12), says there's not enough resources for the system device.

I am running the standard equipment that came with the HP Media Center m3480f other than the new power supply.

I have attempted to change in the BIOS what the primary video source is, I have tried PCI, PCI Express 16, but not PCI Express 1 - as I do not have a video card to fit that slot.

My question is which is the best way to free up a resource for it to recognize the card?

Secondly, is this even possible to do? The video card that came with the computer, and the new card I bought are both 8-series NVIDIA cards so they use the same driver and I have the drivers installed correctly.

My two monitors work great without the PCI card installed in the bottom slot.  When I plug in the additional PCI card, I can no longer see the NVIDIA control panel, and it will only run one monitor.

Any help with this would be great!

Thanks in advance.


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Question by:jryan777
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IanTh earned 500 total points
ID: 24411096
is therer any primary/secondary pci slots on you motherboard as you may have plugged it into a secondary port thats meant for modems etc not vidio cards

do the two errors dissapear when you dont have the pci card installed ?

what happens if you try the pci card on its own with no pci-e card installed with bios set to pci!
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by:jryan777
ID: 24412344
I attempted to try that.  I have a greate problem on my hands now. I went into bios and accidentally hit "onboard" instead of "PCI" as my video source and now I have no video at all when I boot up!!!!  I can hear the computer start fine, but all monitors are black with no signal. What a
are my options?  I am sending this from my iPhone, lol.
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by:IanTh
ID: 24423495
put your monitor into the onboard video port
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by:IanTh
ID: 24423500
one of them I mean lol
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