Lenovo 2491 Laptop User Manual


 
4. Open the retaining clips. If you are replacing an old memory module, open the retaining clips and
remove the memory module being replaced as shown.
Figure 7. Removing the memory module
5. Insert the notched end 2 of the new memory module into the slot 1 . Press the memory module
rmly and pivot the memory module until it snaps into place. Make sure that the memory module is
secured in the slot and does not move easily.
Figure 8. Installing a memory module
6. Go to “Completing the parts replacement” on page 98.
Installing or replacing the PCI card
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkCentre User Guide. To obtain a copy of the ThinkCentre User Guide, go to:
http://www.lenovo.com/ThinkCentreUserGuides
This section provides instructions on how to replace a PCI card.
To install or replace a PCI card, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
Chapter 8. Replacing FRUs 75