Installing Or Replacing A Memory Module - Lenovo ThinkCentre M76 Hardware Maintenance Manual

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 that provide up to a maximum of 16 GB
system memory. When installing or replacing a memory module, use 1 GB, 2 GB, or 4 GB DDR3 DIMMs
in any combination up to a maximum of 16 GB.
To install or replace a memory module, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Open the computer cover. See "Opening the computer cover" on page 119.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 120.
4. Remove the heat sink fan duct. See "Replacing the heat sink and fan assembly" on page 137.
5. Remove the hard disk drive. See "Replacing the hard disk drive" on page 132.
6. Pivot the optical drive bay upward to gain access to the memory slots. See "Replacing the optical
drive" on page 135.
7. Locate the memory slots. See "Locating parts on the system board" on page 76.
8. Remove any parts that might prevent access to the memory slots.
9. Depending on whether you are installing or replacing a memory module, do one of the following:
• If you are replacing an old memory module, open the retaining clips and gently pull the memory
module out of the memory slot.
Figure 55. Removing a memory module
.
Chapter 9 Replacing FRUs (Machine Types: 3120, 3122, 3126, and 3128.)
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