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4. Open the retaining clips. If you are replacing an old memory module, open the retaining clips and remove
the memory module being replaced as shown.
Figure 7. Removing the memory module
5. Insert the notched end 2 of the new memory module into the slot 1 . Press the memory module rmly
and pivot the memory module until it snaps into place. Make sure that the memory module is secured
in the slot and does not move easily.
Figure 8. Installing a memory module
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 25.
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 installed and use a remote hard disk drive
accessed through the SMC - Storage Array, contact your network or storage administrator.
14 ThinkCentre User Guide