Signs worth checking
Loud fans, rapid heating or reduced performance can have several causes; dust buildup is one of them.
Why home disassembly is risky
A MacBook contains a battery, delicate cables and sensitive components. Without repair experience, opening it at home can cause additional damage.
What an assessment may include
Depending on the symptoms, cooling, battery and possible liquid traces may be checked. Ask for options, estimated cost and timing before work begins.