Installing or replacing a PCI cardAttention:Do not open your computer or attempt any repair before reading and understanding the “Important safety information”in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentreSafety and Warranty Guide, go to:http://www.lenovo.com/supportThis section provides instructions on how to install or replace a PCI card. Your computer has two standardPCI card slots, one PCI Express x1 card slot, and one PCI Express x16 graphics card slot.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 32.3. At the rear of the computer, press the release button 1 to open the card latch 2 .Figure11. Opening the PCI card latch4. 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.• If you are replacing an old PCI card, grasp the old card that is currently installed and gently pull itout of the slot.34 ThinkCentre User Guide
