1. Remove the computer cover. See "Removing the computer cover" on page 24.
2. Remove the front bezel. See "Replacing the front bezel" on page 25.
3. Replace a PCI Express card.
Note: When you remove the PCI Express card, press the latch to disengage it from the slot. Then,
gently remove the card from the slot.
Figure 53. Opening the drive bay
Figure 54. Removing the PCI Express card
Note: When you install the PCI Express card, press down on the rear end of the card until the latch is
engaged with a click.
ThinkCentre M720s User Guide and Hardware Maintenance Manual