Thanks,
Regarding connection problem : considering it was working before shuting it down and didn't work after shuting it down. I thing this is not the issue. I have done an hard shut down (with power button) and this may have caused overpowering in some part or damaged some parts (this is my version).
Specs of parts :
PSU :
Lepa 1600W G1600 80+ Gold
Mother board :
Ashrock H81 PRO BTC New Version (just recieved it)
CPU :
Intel Celeron ProcessorG1840, 2.8 GHZ, 2 MB Cache, LGA1150
RAM :
Kingston KVR1333D3N9/8G 8GB PC3 10600 CL9 240 Pin DIMM
DRIVE :
Kingstone SSDnow SMS200S3 / 30 G (which I adapt using mSATA -SATA 2,5'' Disk adapter from Lindy)
GPUs:
2 GIGABYTE G1 GAMING RADEON R9 390 8192MB GDDR5
Here are the pictures without GPUs :




