Download Lenovo ThinkCentre E73

5. To lower the drive bay assembly, press the drive bay assembly clip 1 inward and pivot the drive bay
assembly downward as shown.
Figure 64. Lowering the drive bay assembly
Installing or replacing a PCI Express card
Attention: Do not open your computer or attempt any repair before reading and understanding “Important
safety information” on page 1.
This section provides instructions on how to install or replace a PCI 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 124.
3. Depending on whether you are installing or replacing a PCI Express card, do one of the following:
• If you are installing a PCI Express card, remove the screw that secures the appropriate metal slot
cover. Then, remove the metal slot cover.
Chapter 10. Replacing FRUs (machine types: 10AU, 10AW, 10BF, and 10BG)
127