Apple DUO 280C, DUO 27C, 250, 230, POWERBOOK DUO FLOPPY ADAPTER manual Hard Drive

TroubleshootingSymptom Charts/Hard Drive - 27

Hard Drive

Internal hard drive	1	Check internal hard drive cable connection.
does not operate	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.