some keys are working on wrong spots in my samsung laptop due to sprinkled water

[RAVI_92]

mistakenly some water was poured on my samsung laptop keyboard from that time some keys are working and some keys are working on wrong spots...
really don't know what to do .........................
if any body know plsssss help me.....

 

[ffg7]

make & model# of the samsung laptop as you need a new keyboard?