Lenovo ThinkSystem ST50 V2, Руководство по обслуживанию

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About this task
Attention:
• Read “Safety inspection checklist” on page iv and “Installation guidelines” on page 41 to ensure that you
work safely.
• Turn off the server and peripheral devices, and disconnect the power cords and all external cables, see
“Power off the server” on page 9 .
• If the server is in a rack, remove it from the rack. See “Remove the server from the rails” on page 137 .
• 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.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
AU3iY3F7lq3qfqr5caGbIu
.
Procedure
Step 1. Make preparation for this task.
a. Remove the server cover, see “Remove the server cover” on page 143 .
Note:
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 83 .
c. Remove the front panel, see “Remove the front panel” on page 86 .
Step 2. Remove the power button with LED from the front panel.
a. Press the release tab on the power button to release it from the front panel.
b. Remove the power button from the front panel.
Figure 98. Removing the power button with LED
After you finish
1. Install a new power button, see “Install the power button with LED” on page 127 .
2. If you are instructed to return the component or optional device, follow all packaging instructions, and
use any packaging materials for shipping that are supplied to you.
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ThinkSystem ST50 V2 Maintenance Manual