Installing Or Replacing A Pci Express Card - Lenovo ThinkCentre M73 User Manual

8. Position the new memory module over the memory slot. Make sure that the notch
module aligns correctly with the slot key
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 77.

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 36.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 36.
4. Pivot the drive bay assembly upward. See "Accessing the system board components and drives"
on page 38.
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.
2 on the system board. Push the memory module straight
Chapter 5
1 on the memory
.
Installing or replacing hardware
41