Lenovo ThinkSystem ST650 V2 - Page 164

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.
S006
CAUTION:
When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are
installed, note the following:
• Do not remove the covers. Removing the covers of the laser product could result in exposure to
hazardous laser radiation. There are no serviceable parts inside the device.
• Use of controls or adjustments or performance of procedures other than those specified herein
might result in hazardous radiation exposure.
S007
CAUTION:
This product contains a Class 1M laser. Do not view directly with optical instruments.
Note: This section only applies to server models that come with a 5.25-inch drive bay adapter. For those
that come with an optical or tape drive, see “Remove an optical drive or a tape drive” on page 147.
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.
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. Remove the server cover. See “Remove the server cover” on page 188.
b. Remove the front door. See “Remove the front door” on page 107.
c. Remove the front bezel. See “Remove the front bezel” on page 105.
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ThinkSystem ST650 V2 Maintenance Manual