Lenovo ThinkCentre M800 User Manual page 87

7. Pivot the two plastic retaining clips that secure the heat sink fan duct outward. Then, remove the heat
sink fan duct from the failing heat sink and fan assembly.
Figure 48. Removing the heat sink fan duct
8. Remove any parts that might prevent your access to the memory module. Depending on your computer
model, you might need to remove the PCI Express x16 graphics card for easier access to the memory
module. See "Replacing a PCI Express card" on page 73.
9. Open the retaining clips and gently pull the memory module out of the memory slot.
Figure 49. Removing a memory module
.
Chapter 7 Installing or replacing hardware
77