Removal

1Disconnect hard drive sensor cable from hard drive and logic board.

Note: Do not reuse temp sensor cable. A new sensor cable is included with each replacement drive.

Each hard drive manufacturer has a unique sensor cable.

Reassembly

1Important: When installing a Western Digital drive:

orient drive with circuit board facing up (as shown)

connect temp sensor cable to hard drive pins as shown, leaving 2 left pins unconnected

If sensor cable is installed incorrectly, hard drive fan will run at full speed.

2010-09-09

iMac (27-inch, Mid 2010) Take Apart — Hard Drive Sensor Cable  189

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Image 189
Apple MD094LL/A manual Each hard drive manufacturer has a unique sensor cable