Spilled wine equals no boot

A guy brought a laptop into the shop yesterday. He’d spilled some wine on it and, big surprise, it won’t boot. I tore it down to the motherboard and didn’t see any signs of damage, aside from a whiff of wine. I removed the processor for about 10 minutes, then reassembled it. When I pressed the power button, it lit for about 2 seconds, then went out; same thing as when I first got it.

I’m obviously not too optimistic about this computer, but I’m wondering if there’s anything else I can try.