Motherboard conncetion issues

geldidram7

Honorable
Oct 27, 2012
177
0
10,690
Hello guys , i have this mobo http://www.asrock.com/mb/nvidia/n68c-s%20ucc/ but every single external connection doesn't work.Not the usb ports,monitor connections simply nothing.Even the case's ports don't work .Do you have any idea what might it be ?

thanks in advance