![](/images/new-backgrounds/1102762/10276267x1.webp)
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.
Figure 21. Installing the new heat sink
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
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.