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I usually leave my laptop on all day but do not use it. right now my macbook pro cpu temp is 49.88.C and im only running google chrome right now. My fan on both sides are between the temp 1994/ 2005 rpm.
Not at all. TjMax for your CPU is 100C. Intel CPUs will be happy even at 99*. Your macbook is just fine. 49 is a awesome temp. My 15 inch will hit 90’s easily and im sure yours will too even under load. Nothing to worry about what so ever.