Installing Or Replacing A Memory Module - Lenovo ThinkCentre 0900 User Manual

5. To lower the drive bay assembly, press the drive bay assembly clip
assembly downward as shown.
Figure 13. Lowering the 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"
on page v.
This section provides instructions on how to install or replace a memory module.
Your computer has two 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 2 GB, 4 GB, or 8 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. Remove the computer cover. See "Removing the computer cover" on page 34.
3. Lay the computer on its side for easier access to the system board.
4. Remove the heat sink fan duct. See "Replacing the heat sink and fan assembly" on page 49.
5. Locate the memory slots. See "Locating parts on the system board" on page 13.
6. Remove any parts that might prevent access to the memory slots.
7. Depending on whether you are installing or replacing a memory module, do one of the following:
1 inward and pivot the drive bay
.
Chapter 5 Installing or replacing hardware
37