Macbook pro odd problem

Hello .... My macbook pro 2011 wont turn on ... Yesterday i was using my mac without any sign of problem then normally shutdown the MBP,.. In morning i try to turn it on then nothing no sign of life ..pnly the battery charging ... I try SMC and nothing .. I must say that i had water spill in august then i let it off for 5 months last week (friday) one of my friend is (tech ) open it and clean it from dust then it turn on normally i was extremely happy It work normally for 7 days ... So i'm really sad .. Is it about the water spill or another thing... Please help .. And forgive me for my poor grammer i'm not english native speeker...