Mike...

Okay, they should be there now... Sorry ;-)

Sorry you're having such a problem with your PC.
Keep at it, you WILL over come it!

Here are the files I found for you. All you need to do is right click on the item, select "Save as..."
and put it on your memory card

Files for Dell Dimension 8400 w/ Service Tag C19P661

1. Operator's Manual (2Meg)

2. Chipset Driver for Intel (3Meg)

3. Network Controller (5.5Meg)

4. Audio Driver (12Meg)