" water damage "

I had to send in my Mac laptop because it no longer charged or switched on. I took it to cresta Istore where I paid R500 for a consultation and proceeded to wait another 3 weeks. I received another quote for R500 for water damage. When I finally went to go pick up my laptop, I asked for my old parts back to confirm it was water damage, as soon as i started questioning how it could be water damage knowing full well my laptop had not been near water. I was dismissed. And they wrote it off as trainee ...