Troubleshooting Symptom Charts/Hard Drive - 27
Hard Drive
Internal hard drive
does not operate
1 Check internal hard drive cable connection.
2 Replace internal hard drive cable.
3 Run Macintosh Hard Disk Test.
4 Use HD SC Setup to reinitialize drive.
5 Replace internal hard drive.
6 Replace logic board.
Note:
When replacing the logic board, check that the EMI clips
are securely attached to the CPU stiffener. The “CPU Stiffener”
topic in Take Apart helps you locate and identify the two EMI clips.
If both clips are not secure, replace the CPU stiffener.