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7. Position the new heat sink on the microprocessor socket and then position the
clamp on the plastic retention bracket. Pivot the handle 1 to clamp the heat
sink to the plastic retention bracket.
8. Reconnect the heat sink and the fan assembly cable to the system board.
9. Go to Chapter 4, “Completing the parts replacement,” on page 43.
Replacing a hard disk drive
Attention
Do not open your computer or attempt any repair before reading the “Important safety
information” in the Safety and Warranty Guide that was included with your computer. To
obtain a copy of the Safety and Warranty Guide, go to the Support Web site at
http://www.lenovo.com/support.
Important
When you receive a new hard disk drive, you also receive a set of Product
Recovery discs. The set of Product Recovery discs will enable you to restore the
contents of the hard disk to the same state as when your computer was
originally shipped from the factory. For more information on recovering
factory-installed software, refer to “Recovering software” in your User Guide.
This section provides instructions on how to a replace the hard disk drive.
1. Remove the computer cover. See “Removing the cover” on page 11.
2. Disconnect the signal and power cables from the hard disk drive.
Figure 21. Installing the new heat sink
26 Hardware Installation and Replacement Guide