My e-tower monitor has a different chord/connection than a Dell CPu. There is an extra line connected to the connection wire that screws in to the CPU. Are they compatible, and can I get a connection adaptor? ^_^

Check out this site:
DVI to VGA Adapter (Male to Female) (http://www.svideo.com/dvi.html)

It shows an adapter for a DVI to VGA connection. Your E-Machine probably has a VGA (15 pin D Connector) and your Dell a DVI.

If that isn't what you have can you attach a picture of the connector on the tower and the monitor.