I pulled my water cooling system apart to rerun some water lines and let it set for a while to check leaks. When I turned it on I didn't get a display nor BIOS beeps. I assumed my CPU wasn't seated properly, but it is and was. I then tried my celly in there, no go; celly and its vid card, no go. I even tried booting without a vid card just to get the BIOS beeps but I didn't get them. After that I pulled all cards and mother board out (Im missing a screw off the top of my case and thought it might have been wedged behind the mobo) and put back only the CPU and Vid card. I have all drives unplugged from both ps and motherboad but still its a no go. Everything is firmly seated, and CMOS has been cleared several times. I can't think of anything else to do besides go buy a new motherboad.