Lenovo 4223 Personal Computer User Manual


 
Installing or replacing a PCI 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 card. Your computer has two standard
PCI card slots, two PCI Express x4 card slots, and two PCI Express x16 graphics card slots.
To install or replace a PCI 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 30.
3. Open the PCI card retainer by lifting the retainer and then pivoting it out.
Figure 12. Opening the PCI card retainer
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 card slot cover.
If you are replacing an old PCI card, grasp the old card that is currently installed and gently pull it
out of the card slot.
32 ThinkStation User Guide