Replacing The I/O Bracket - Lenovo ThinkCentre M600 Hardware Maintenance Manual

• Do not touch the thermal grease while handling the heat sink.
5. Position the new heat sink on the system board so that and the four screws
corresponding mounting studs on the system board, and the two standoffs
with the corresponding holes in the heat sink.
Figure 22. Removing the heat sink
6. Tighten the four screws
over-tighten the screws.
a. Partially tighten screw
b. Partially tighten screw
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 111.

Replacing the I/O bracket

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
To replace the I/O board, do the following:
1 to 4 to secure the new heat sink in the following sequence. Do not
1
, fully tighten screw
3 , fully tighten screw
2
, and then fully tighten screw
4 , and then fully tighten screw
.
Chapter 9
1 4
to align with the
5 on the I/O bracket align
1
.
3 .
Installing or replacing hardware
91