Lenovo ThinkCentre E73, Руководство по техническому обслуживанию аппаратной части, Страница: 135 / 190

4. Remove the new PCI Express card from its static-protective package.
5. Install the new PCI Express card into the appropriate slot on the system board. See “Locating parts on
the system board” on page 79.
Note: If you are installing a PCI Express x16 graphics card, ensure that the memory slot retaining clips
are closed before you install the graphics card.
6. Install the screw to secure the new PCI Express card in place.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 174.
Installing or replacing a memory module
Attention:
Do not open your computer or attempt any repair before reading and understanding “Important safety information”
on page 1.
This section provides instructions on how to install or replace a memory module.
Your computer has two slots for installing or replacing DDR3 UDIMMs that provide up to a maximum of
8 GB system memory. When installing or replacing a memory module, use 1 GB, 2 GB, or 4 GB DDR3
UDIMMs in any combination up to a maximum of 8 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 126.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 127.
4. Pivot the drive bay assembly upward to gain access to the memory slots. See “Accessing the system
board components and drives” on page 128.
5. Remove the heat sink fan duct. See “Replacing the heat sink and fan assembly” on page 151.
6. Locate the memory slots. See “Locating parts on the system board” on page 79.
7. Remove any parts that might prevent your access to the memory slots. 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 Express card” on page 129.
8. Depending on whether you are installing or replacing a memory module, do one of the following:
Chapter 10
.
Replacing FRUs (machine types: 10AU, 10AW, 10BF, and 10BG)
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