Power On Issue on dell latitude e7450

this laptop had water damage so no wonder why its doing that,more info about this issue here:https://www.dell.com/community/en/con... help me plslslslsl
Intro 0:00
Powering on problem 0:14
Turning on 0:58
Power error message 1:01
Booting Diagnostics 1:03
Error #1 1:44
Error no.2 1:56
Bios events errors 2:03