Pc shuts down after 1 sec

I have these components:

amd phenonII x4 3.2hz
http://www.overclockers.co.uk/showproduct.php?prodid=CP-244-AM&groupid=701&catid=6&subcat=1328

Asrock extreme 3 890gx
http://www.overclockers.co.uk/showproduct.php?prodid=MB-041-AK&groupid=701&catid=5&subcat=1782

gskill ripjaw dual channel 4gb
http://www.overclockers.co.uk/showproduct.php?prodid=MY-042-GS&groupid=701&catid=8&subcat=1517

HIS radeon 5770 gpu
http://www.overclockers.co.uk/showproduct.php?prodid=GX-009-HS&groupid=701&catid=56&subcat=1515

HD samsung spin point f1 sata 2
http://www.overclockers.co.uk/showproduct.php?prodid=HD-054-SA&groupid=701&catid=14&subcat=

arctic cooling freezer 7
http://www.overclockers.co.uk/showproduct.php?prodid=HS-035-AR

and this case(450W psu)
http://www.overclockers.co.uk/showproduct.php?prodid=CA-017-OP

basically it started runnign but nothing happened then i noticed my 4 pin wasnt connected to the mobo. after i connected it and turned on the pc again it turned off after 1 sec. i removed gpu and 1 ram to see if its the psu, but it still did the same. the mobo is connected with spacers.

i just hope i didnt fry my mobo, its not cheap and its out of stock :s
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