I have a Dell Dimension 2400 and have Ethernet Port problem

SOURCE: I UPGRADED MY DELL 2400 DIMENSION TO A NEWER

Hey Greg,
Dell Inc. offers free drivers and firmware on their website. heres a link to were your driver is located.

The Dimension 3000 Ethernet Driver Should Cross reference To your Dell Dimension 2400
http://support.dell.com/support/downloads/driverslist.aspx?os=WW1&osl=EN&catid=5&impid=1&servicetag=&SystemID=DIM_CEL_3000&hidos=WW1&hidlang=en&TabIndex=

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SOURCE: Questions about replacing ethernet card on my Dell desktop

Any ethernet card will work fine. Just be sure it's the fit's the correct slot. You probably have a "white" slot which is a pci slot. If it's a longer "black" slot then it's isa. More than likely it came from a pci slot. Before you buy one, confirm the type of slot. In additon, before installing it go to control panel and system settings, hardware, device manager and remove the old one by right clicking it and select delete or remove. Shut down the computer follow instructions for new card.
Probably will have to install the drivers first then shut down and install the new card. Good Luck.

SOURCE: i have a dimension 2400 and my ethernet cuts out

It may be that your dimension has a internal network already installed and the this card is conflecting with the ip's.

SOURCE: hi i have a dell

Turn power off and remove the power cord from the rear of the pc. Remove the side cover of the pc. Use a phillips head screw driver and remove the screw holding the NIC card in place on the back of the case. Use two hands and gently pull the old card out. You may have to rock itleft and right to get it to slide out of the pci slot.Then place the new card into the slot that the old card was removed from. Replace the screw and power up the pc before closing the side up and test the connectivity. New hardware will be found and drivers will be installed. Update drivers if all go OK. Then replace the side cover and don't forget the screws.