My flashdrive only works on one of the usb port.  the other usb works with my iphone charger, but not my usb. any suggestions? should i take it in? its a brand new laptop.

My flashdrive only works on one of the usb port.  it will not work on the other usb port. however, the other usb works with my iphone charger.
any suggestions? should i take it in? its a brand new laptop.

Reset the SMC and PRAM
SMC Reset:
Shut down the MacBook Pro.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer. 
PRAM:
Shut down the MacBook Pro.
Locate the following keys on the keyboard: Command, Option, P, and R.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.

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