Merynkaw,
Go to...
http://www.dell.com/support/drivers/us/en/04/Product/latitude-e6410
Under modem/communications
You can try installing the drivers for the card(s). One of those cards may be on the original configuration list. If they are listed, then install the drivers, with the sim card removed, shutdown your computer.
Insert the sim card, then start the computer.
Rick