Briefing Apple Knowledge

Which of the following could indicate accidental damage…

Which of the following could indicate accidental damage when inspecting the inside of a Mac mini (Late 2012) before a repair?

A.
Light dust in the fans

B.
Third-party RAM installedwww.gratisexam.com

C.
Lint gathered near the rear vents

D.
Oxidation or discoloration of the logic board