[SOLVED] Computer not turning on after applying thermal paste.

Apr 13, 2021
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I tried to apply thermal paste and re-apply my heatsink. After re-installing my computer no longer turns on. No fan spin or front panel LED, only a flashing red light on the motherboard. My computer was working well before but idling at high temperature, so i decided to add thermal paste. The cpu looked discouloured in some parts at the bottom, potential burn mark? The pins were straight from what i could tell. Any help would be greatly appreciated.
specs:
asrock fatal1ty B450 Gaming K4
AMD ryzen 5 3600
Nvidia 1650 super
thermaltake 80+ gold 600W