Macbook USBs Wont Recognize - Please Help

[Merser]

Hey guys I hope you can help...

All of a sudden, my USB drives wont recognize any device...

Tried my iPhone, my camera, both slots... nothing.

Any suggestions?

[MacFanBoyIIe]

Unplug all USB devices.
Turn off.
Turn on, and reset the PRAM.

P+R+option+command

[Merser]

Unplug all USB devices.
Turn off.
Turn on, and reset the PRAM.

P+R+option+command

That worked!!! Thanks!!

[MacFanBoyIIe]

Glad to help and thanks for letting us know that fixed it. It's always nice when the OP comes back to tell us what worked. That way someone with a similar problem searching the threads can see if a proposed solution actually helped.
Cheers!