Finding a bank and getting utilities set up are among the essential first steps when moving to Chicago.

Banks and ATMs

Five major national banks offer full services in Hyde Park, with one of them residing on campus. Hyde Park Bank has two locations, one near campus, and cash machines are plentiful.
Banks and ATMs in Hyde Park
Yelp (Search by neighborhood)

Students are also eligible to join the University’s credit union:
Maroon Financial

Utilities

Here are some resources to help you with setting up telephone, heating, electricity, DSL and cable TV services:
Student Government Apartment Site Utilities Page
Chicago Life Utilities Page
Student Government Apartment site banking page