Base unit clicking - but not powering on

I took my machine apart when it got wet and I let it sit in rice. Rice got inside it, so I took it apart to clean it out. I was very careful on disassembly and reassembly. The power green led on the motherboard comes on when it is plugged it, but it’s clicking with no other functionality. Even the led bird is dead. Am I screwed, or is there a fix? I replaced the 2032 battery hoping that would solve it, but still not powering on?