Lenovo ThinkEdge SE455 V3 User Manual page 194

Figure 164. Processor installation
After this task is completed
1. Install the heat sink. See
2. Complete the parts replacement. See
Install a heat sink
Follow the instructions in this section to install a heat sink. This task requires a Torx T20 driver. The
procedure must be executed by a trained technician.
S002
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.
About this task
Attention:
• Read "Installation Guidelines" on page 39
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
• Touch the static-protective package that contains the component to any unpainted metal surface on the
server; then, remove it from the package and place it on a static-protective surface.
Procedure
Step 1. Record the processor identification label.
186 ThinkEdge SE455 V3 User Guide
"Install a heat sink" on page
"Complete the parts replacement" on page
and "Safety inspection checklist" on page 40
48.
186.
225.
to ensure that you