CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Attention:
• Read “Installation guidelines” on page 57 to ensure that you work safely.
• Power off the server and disconnect all power cords for this task.
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
• If the server is in a rack, remove it from the rack.
• If foot stands are installed on the server, rotate them inwards and lay the server on its side for easier
operation.
Watch the procedure. A video of the installation and removal process is available:
• YouTube:
https://youtube.com/playlist?list=PLYV5R7hVcs-DoEcxrm2zKNpaKOdZ3f8Qc
• Youku: https://list.youku.com/albumlist/show/id_59636516
Procedure
Step 1. Make preparations for this task.
a. Record all system configuration information, such as Lenovo XClarity Controller IP addresses,
vital product data, and the machine type, model number, serial number, Universally Unique
Identifier, and asset tag of the server.
b. Save the system configuration to an external device with Lenovo XClarity Essentials.
c. Save the system event log to external media.
d. Remove the server cover. See “Remove the server cover” on page 188.
e. Remove all the flash power modules. See “Remove a flash power module” on page 98.
f. Remove the air baffle. See “Remove the air baffle” on page 72.
g. Remove all the PCIe adapters. See “Remove a PCIe adapter” on page 162.
h. Remove all the full-length GPU adapters. See “Remove a full-length GPU adapter” on page
113.
i. Remove all the fans. See “Remove a hot-swap fan” on page 93.
j. Remove the fan cage. See “Remove the fan cage assembly” on page 95.
k. Remove the intrusion switch. See “Remove the intrusion switch” on page 127.
l. Remove the CMOS battery. See “Remove the CMOS battery (CR2032)” on page 76.
m. Label the slot number on each memory module, then remove all the memory modules from the
system board and set them aside on a static-protective surface for reinstallation. See “Remove
a memory module” on page 137.
n. Remove the processor and the heat sink. See “Remove a processor and heat sink” on page
177.
Chapter 4. Hardware replacement procedures 193
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