Lenovo 5391 Personal Computer User Manual


 
Figure 10. Installing a memory module
What to do next:
To work with another piece of hardware, go to the appropriate section.
To complete the installation or replacement, go to “Completing the parts replacement” on page 32.
Installing or replacing a PCI card
Attention:
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 ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to install or replace a PCI card. Your computer has one standard
PCI 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. Open the computer cover. See “Opening the computer cover” on page 12.
3. Rotate the PCI card retainer to the open position.
4. 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 it out of the slot.
Chapter 2. Installing or replacing hardware 15