I recently replaced the stock cooler on my cpu with a Noctua nh-d15 ,and now something has happened that is causing my motherboard not to post. When I turn on the power the leds on the mobo light up and all of the cpu and case fans start spinning, but there is no input signal and it just powers down and reboots. I have tried to power on with one stick of ram in each DIMM slot, removed gpu and tried running from the onboard graphics, replugged all power cables, but still no luck. I doubt its the PSU since its a brand new EVGA supernova and it was perfectly stable when I checked it last week. As always I was painstakingly careful when I took my motherboard out. I made sure I was always grounded, layed it on its packaging to work on it, and never banged or scratched it. I also reseated the CPU carefully and firmly fastened all of the screws on the Noctua heatsink. I really would find it hard to believe if I bent a cpu pin since I was so careful, but I will take it out and check. The only thing I did differently this time was after I applied the thermal paste, I removed the heatsink once to check if it was spread evenly since it is so large. I wiped a tiny smudge off with a microfiber cloth. Could that be preventing the cpu from powering on because of bad thermal paste??
System components:
Gigabyte ga-z97x-ud3h bk
i5 4690k
Noctua nh-d15 cooler
Msi R9 390 8GB
Gskill sniper 2x4 gb 1866 mhz ram
Evga 650 g2 supernova
System components:
Gigabyte ga-z97x-ud3h bk
i5 4690k
Noctua nh-d15 cooler
Msi R9 390 8GB
Gskill sniper 2x4 gb 1866 mhz ram
Evga 650 g2 supernova
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