volcano cant detect any spd cpu

my problem is that my volcano box not detect any spd cpu here is log,.plz help me seniores Volcano Updated: 2015-8-10
Connecting…
Connection successful,connected state!
Version: V3.8
SN:331-768-530
Port:COM5
After format or Flash you have to press & hold power button for at least 1.30 mins.
Note for win7 users :
Start your Win 7 64bit with F8 key and choose ‘Disable Driver Signature Enforcement’.
After that the spd drivers will have the ability to be loaded.
Available Ports:COM1 COM3 COM5
Detection initiated…
Vcc: null
Gnd: null
Analyzing D+ and D-…
Failed to detect.
>>Pinouts are not fonud!