Get a copy of your rent contract and your utility bills and any other school related expenses not included on your university bill.
Visit the financial aid office to talk about your situation and verify your documents.
Generally, you'll want to meet with a fulltime staff member rather than a student. Try to get an appointment with the cashier or counselor.
If you demonstrate suitable need, you can get your financial aid package altered.
You may need to provide the cashier's office or the financial aid office (whichever handles your bills) with a bank account number. Most universities work with direct deposit, as it is much faster and there is less paperwork. Bring in your checkbook--the routing number and your account number are written at the bottom of each check.
If your school sets up a direct deposit transfer, notify your bank that you will be receiving money from your school.
Consider applying for a loan at a private lender. While federal grants must be used on tuition and books, other lenders generally don't care what you spend the money on as long as you pay it back.