Lenovo ThinkCentre M700 Hardware Maintenance Manual page 129

The following table provides information about the memory module installation rules. The "X" mark indicates
the memory slot(s) into which the memory module(s) should be installed in different situations. The numbers
1, 2, 3, and 4 indicate the installation sequence. To locate the memory module slots, see "Parts on the
system board" on page 37.
Memory modules
One memory module
Two memory modules
To replace a memory module, do the following:
1. Remove any media from the drives and turn off all connected devices and the computer. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to the
computer.
2. Remove the computer cover. See "Removing the computer cover" on page 88.
3. Remove the front bezel. See "Replacing the front bezel" on page 88.
4. Remove the optical drive. See "Replacing the optical drive" on page 91.
5. Pivot the drive bay assembly upward. See "Pivoting the drive bay assembly upward and downward"
on page 93.
6. Locate the memory module you want to replace. The memory modules are installed in the memory slots
on the system board. See "Parts on the system board" on page 37.
7. Remove any parts that might prevent your access to the memory module. Depending on your computer
model, you might need to remove the PCI Express x16 graphics card for easier access to the memory
module. See "Replacing a PCI Express card" on page 116.
8. Open the retaining clips and gently pull the memory module out of the memory slot.
Figure 61. Removing a memory module
DIMM 1
X
X
.
Chapter 9 Installing or replacing hardware
DIMM 2
X
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