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1. Remove the microprocessor from the microprocessor socket. See “Replacing the microprocessor” on
page 118.
2. Close the microprocessor retainer and lock it into position with the small handle.
3. Insert the tabs 1 of the socket cover into the hinged side of the socket, and then press the other side
of the socket cover downward until the tabs 2 snap into position.
Figure 55. Tabs on the microprocessor socket cover (bottom view)
Figure 56. Installing the microprocessor socket cover
Replacing the hard disk drive
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the hard disk drive if your computer has one. For
computer models that do not have an internal hard disk drive and use a remote hard disk drive accessed
through the SMC - Storage Array, contact your network or storage administrator.
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 drive 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 ThinkCentre User Guide.
122 ThinkCentre Hardware Maintenance Manual