Lenovo ThinkCentre M70c Hardware Maintenance Manual page 65

Replacement procedure
1. Remove the computer cover. See "Computer cover" on page 56.
2. Replace the PCI-Express card according to your model:
• For computers with a pre-assembled PCI-Express connector cable, do the following:
a. Disconnect the PCI-Express connector cable.
b. Remove the PCI-Express connector cable.
c. Install the PCI-Express card.
• For computers with a pre-assembled PCI-Express card, do the following:
.
Chapter 6 Hardware removal and installation
59