820-5209 fast fan

Kyle93

Active member
Arrived with fast fan spin. Never disassembled before.

fan runs very fast. HW monitor says HD bay 1 is 249C and HD bay 2 is 129C

Any idea what needs to be replaced ?
 

2informaticos

Administrator
Staff member
HD bay 1 should have a temp sensor.
Strange failure if nobody touched it before,

As no schematics for these machines, may be better to install MacFanSpeed and set the fan to follow CPU temp.
 
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