How to troubleshoot max7219?

Sorry for the delay, my schematic from eagle is:

and my netlist is http://www.profquotes.com/misc_images/j64.net

The schematic is a very basic implementation right off the datasheet, the jumpers on the left are for signal in from the MCU and out to the next identical board to have several matrices. The jumpers on the right go out to the matrix.