good comments by all here i agree with jmnicolas. probably an accumulation of dust in the fan and its casing. most likely cause of over heating problem or perha

good comments by all here i agree with jmnicolas. probably an accumulation of dust in the fan and its casing. most likely cause of over heating problem or perhaps the fan is dead. cpu governors could also be an issue. so i suggest check govener first as it is easy to check then get your screwdriver out and the tweezers .