Lenovo ThinkCentre Edge 71 1577 User Manual page 45

3. At the rear of the computer, remove the screw that secures the PCI card latch.
Figure 12. Removing the screw that secures the PCI card latch
4. Depending on whether you are installing or replacing a PCI card, do one of the following:
• If you are installing a PCI card, remove the appropriate metal slot cover.
.
Chapter 5 Installing or replacing hardware
33