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How can I get my Dell GX240 to use the 3450PCI video card in the pci slot, (instead of the AGP slot)?

WeThePeople
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In the bios, I changed the "default" video from AGP to Auto.

I want to have two monitors on my Dell GX240 computer (running Windows XP).  I called Dell and they had me purchase (from Dell) the ATI/Radeon 512MB 3450PCIDMS video card.

I removed the original video card that came with the computer:  Rage 128 Pro Ultra GL card from the AGP slot.

I installed the  ATI/Radeon 512MB 3450PCIDMS video card into the pci slot.

When I try to boot up the computer, the diagnostic lights on the back of the computer are (amber, green, amber, green) which indicates a problem with video.  No message is displayed on the monitor, not even the post tests.

When I removed the ATI/Radeon 512MB 3450PCIDMS video card, and install the Rage 128 Pro Ultra GL card into the AGP slot, the computer boots up just fine.

Your help is greatly appreciated.
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Most Valuable Expert 2015

Commented:
Normally you shouldn't have to change anything in the BIOS when adding a PCI video card. Have you tried it in different slots? What happens if you use it together with the AGP card, does your OS see both cards? Normally you should be able mix AGP and PCI video cards, you just can't have 2 AGP video cards at once (that would be the case if there is integrated video on the mainboard and an AGP slot).

If the card doesn't work in another slot, or together with the AGP card, I suspect you got a bad card. You could try it in another PC.

Author

Commented:
I have tried it in different slots.  The computer still does not boot (and the amber diagnostic lights are on).

If I install the agp card and the pci card, the computer will not boot (and amber diagnostic lights are on).

If I removed the pci card (and leave the agp card installed), the computer boots fine, no amber lights.

I placed the new video card in another pc, and it works just fine.

Commented:
Hi,

Apologies, you're using a Low Profile case so this would be fine:

http://cgi.ebay.com/Nvidia-Low-Profile-FX-5200-128MB-8X-AGP-DVI-2VGA-Cable-/300584383715?pt=PCC_Video_TV_Cards&hash=item45fc39b4e3

Regards.


RobMobility.
Most Valuable Expert 2015

Commented:
Check if the BIOS has something like a "Fail-Safe" setting, and change to that, then try the PCI board again. Also, check if the PCI card has an additional Molex power connecter and make sure that you have attached a power cable to it if it has that. If there is no such setting DELL probably sold you a board that isn't compatible with your PC. Could be it requires more power than your PSU can supply.

Author

Commented:
I explained to the Dell Sales guy that I wanted to connect two monitors to my Optiplex GX240 computer (purchased in 2002).  He told me that Dell sell's the ATI/Radeon 512MB 3450PCIDMS video card and it would work in my system.  I paid $145 for the card.

There is no "Fail-Safe" setting in the bios.  
Most Valuable Expert 2015

Commented:
He probably sold you the wrong product. One thing you could check is whether there is a BIOS upgrade available for your PC, and if yes, upgrade that then try the new card again.