Installing Or Replacing A Pci Express Card - Lenovo ThinkCentre M73 10B0 Hardware Maintenance Manual

7. Position the new memory module over the memory slot. Ensure that the notch
module aligns correctly with the slot key
down into the slot until the retaining clips close.
Figure 20. Installing a memory module
8. Reinstall the PCI Express x16 graphics card if you have removed it.
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 131.

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 1.
This section provides instructions on how to install or replace a Peripheral Component Interconnect (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. 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 90.
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ThinkCentre M73 Hardware Maintenance Manual
2 on the system board. Push the memory module straight
1 on the memory