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 firmly 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.

14ThinkCentre User Guide

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Lenovo 3557, 3034, 6667, 5092, 5226, 4394, 3853, 3692, 3467, 3356, 3307, 3142, 3257 Replacing the hard disk drive, What to do next

3244, 3131, 3257, 3142, 3307 specifications

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