If you actually mean "your computer" then it's korjaa koneesi in Finnish.
If you instead meant "repair my computer" then it's korjaa koneeni.
The conjugation of the word repair in Finnish, korjata, depends on the situation, so a general translation is impossible to give.
Food is ruoka in Finnish.
In the beginning is alussa in Finnish.
komea is handsome in finnish :)
Chocolate is suklaa in Finnish.
Christmas is joulu in Finnish.
For you is sinulle in Finnish.
How is miten in Finnish.
I am not Finnish. - (Minä) en ole suomalainen.
Finnish legend in Finnish is "suomalainen legenda".
Yes is "kyllä" in Finnish.
Boring is tylsä in Finnish.
Daughter is tytär in Finnish.
Black is musta in Finnish.
Money is raha in Finnish.
'Kisser' in Finnish is 'suu'.
Darling is kulta in Finnish.
Linda is Linda in Finnish.