Lenovo ThinkCentre M79 Hardware Maintenance Manual page 130
Hide thumbs
Also See for ThinkCentre M79:
- Hardware maintenance manual (186 pages) ,
- User manual (154 pages) ,
- Safety, warranty, and setup manual (2 pages)
Table of Contents
Advertisement
4. Remove all memory modules and PCI Express cards that are currently installed. See "Installing or
replacing a memory module" on page 108 and "Installing or replacing a PCI card" on page 106.
5. Remove the heat sink and fan assembly from the failing system board. See "Replacing the heat sink and
fan assembly" on page 116.
Note: Do not let the thermal grease on the bottom of the heat sink and fan assembly get in contact
with anything.
6. Record the cable routing and cable connections and then disconnect all cables from the system board.
"Locating parts on the system board" on page 34.
7. Remove the eight screws that secure the system board.
Figure 34. Removing the screws that secure the system board
8. Slide the system board to the front of the computer and then carefully lift the system board out of the
chassis. Place the failing system board on a flat, clean, and static-protective surface.
9. Remove the microprocessor from the failing system board and install it on the new system board. See
"Replacing the microprocessor" on page 119.
10. Install the new system board into the chassis by aligning the six screw holes in the new system
board with the corresponding mounting studs on the chassis. Then, install the eight screws to secure
the system board.
11. Install the heat sink and fan assembly and connect the heat-sink-and-fan-assembly cable to the new
system board. See "Replacing the heat sink and fan assembly" on page 116.
Note: If necessary, apply the appropriate amount of thermal grease on the bottom of the heat sink
and fan assembly.
122
ThinkCentre M79 Hardware Maintenance Manual
Advertisement
Table of Contents
Troubleshooting
