Lenovo 10A4 Hardware Maintenance Manual page 167

1. Remove all media from the drives and turn off all attached 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 153.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 154
4. Locate the memory slots. See "Locating parts on the system board" on page 81.
5. Press the retaining clip
same time.
Figure 108. Pivoting the drive bay assembly upward
6. Remove the heat sink fan duct. See "Replacing the heat sink and fan assembly" on page 183.
7. Depending on your computer model, you might need to remove the PCI Express x16 graphics card for
easier access to the memory slots. See "Installing or replacing a PCI card" on page 156.
8. 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 109. Removing a memory module
• If you are installing a memory module, open the retaining clips of the memory slot into which you want
to install the memory module.
Chapter 9
1
in the direction as shown and pivot the drive bay assembly upward at the
.
Replacing FRUs (machine types: 10A2, 10A3, 10A8, 10A9, 10AH, 10AJ, 10AM, and 10AN)
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