The problem !
Failed to configure Ethernet using DHCP
Ethernet shield was not found. Sorry, can't run without hardware.
The connection!
EVERY - W5100 shield
13 - 13
12 - 12
11 - 11
10 - 10
The code !
EXAMPLES -> ethernet - DHCPADDRESSPRINTER
Modification!
Ethernet.init(10); // Most Arduino shields