Hi guys!! i have a problem with my motherboard EMX-NF7050HD-PRO. last time when i use it it running fine there's nothing problem but when i turn of the AVR to reformat it, there is nothing appear in my Monitor except "No Signal", ill check my board then i turn it On i see green light and "C1" at the back of my CPU near to the Video port,what those it means... pls help thnx f0r replies...