Accessing the system board components and drives

This section provides instructions on how to access the system board components and drives.

To access the system board components and drives:

1.Open the computer cover. See “Opening the computer cover” on page 12.

2.On some models, you might need to pivot the optical drive bay assembly upward and remove the hard disk drive to access the internal components. See “Replacing the hard disk drive” on page 22.

Note: Make sure you note the location of any cables that you disconnect from the drives or the system board.

Attention: Make sure the hard disk drive assembly is in the latched down position before closing the computer cover to prevent damage to the hard disk drive.

Figure 6. Pivoting the optical drive bay assembly

Installing or replacing a memory module

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 install or replace a memory module.

Your computer has four slots for installing or replacing DDR3 DIMMs (double data rate 3 dual inline memory modules) that provide up to a maximum of 8 GB system memory.

14User Guide

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Lenovo 8910, 9964, 6137, 7638, 7627 Accessing the system board components and drives, Installing or replacing a memory module

3379, 5897, 6303, 6258, 7346 specifications

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