Lenovo M73 manual Installing or replacing a PCI Express card, What to do next

8.Position the new memory module over the memory slot. Make sure that the notch 1 on the memory module aligns correctly with the slot key 2 on the system board. Push the memory module straight down into the slot until the retaining clips close.

Figure 16. Installing a memory module

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 79.

Installing or replacing a PCI Express card

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 PCI Express card. Your computer has two PCI Express x1 card slots and one PCI Express x16 graphics card slot.

To install or replace a PCI Express card, 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 38.

3.Remove the front bezel. See “Removing and reinstalling the front bezel” on page 38.

4.Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on page 40.

5.Depending on whether you are installing or replacing a PCI Express card, do one of the following:

•If you are replacing an old PCI Express card, remove the screw that secures the old PCI Express card and release the old PCI Express card from the PCI Express card slot.

Chapter 5. Installing or replacing hardware 43