Lenovo ThinkSystem ST45 V3 - Page 120

Attention:
• Read
“Installation Guidelines” on page 29 and “Safety inspection checklist” on page 30 to ensure that you
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
“Power off the server” on page 34.
• Remove any locking device that secures the server, such as a Kensington lock or a padlock.
• Place the server on its side with the cover up.
Procedure
Step 1. Make preparation for this task.
a. Remove the server cover. See
“Remove the server cover” on page 135.
Attention: The heat sink and processor could be very hot. To avoid burning yourself, wait for a
few minutes after turning off the server before you remove the server cover.
b. Remove the front bezel. See
“Remove the front bezel” on page 87.
Step 2. Remove the power button cable from the system board.
Step 3. Remove the screw that secures the front I/O bracket to the chassis.
Figure 92. Removing the screw that secures the front I/O bracket
Step 4. Remove the front I/O bracket.
a.
Rotate the left end of the front I/O bracket away from the chassis.
b.
Remove the front I/O bracket from the chassis.
112 ThinkSystem ST45 V3 User Guide