Beagle dont start

Hi,
today I get the beaglebone Black, but it will not start.
I connect him with a Network Cable ans the small usb port.
I create a network 192.168.7.0 on my Computer.
But ping 192.168.7.2 dont work, http://192.168.7.2 also, lso ssh .192.168.7.2.
Have I ovelook something?

Karlo

Al led’s are blinking.
I use linux, and get the Backy mounted in the filebrowser from debian