Question Z370 code 18

Wookiewarriorr

Reputable
Oct 26, 2016
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I just recently short my pc, was upgrading case and mobo (the old ones were probably $100 combined) and while cleaning and reapplying thermal paste i believe i got some in the cpu slot. Since then ive replaced literally every component in my pc besides my GPU but i still get a code 18 on my z370 mobo
What could be the problem?

Mobo: z370 obviously
Cpu: i9 9900k
Gpu: gtx 1080
Ram: 4x6gb corsair vengence lpx 3200Mhz