Lenovo ThinkSystem ST45 V3 - Processor Replacement (Trained Technician Only); Remove the Processor

1. Install the drive cage and drive. See “Simple-swap drive and drive cage replacement (bay 0-1)” on page
38
.
2. Complete the parts replacement. See
“Complete the parts replacement” on page 143.
Processor replacement (trained technician only)
Follow instructions in this section to remove and install the processor.
Important: This task must be operated by trained technicians that are certified by Lenovo Service. Do not
attempt to remove or install the part without proper training and qualification.
Attention: Before reusing a processor or heat sink, make sure you use Lenovo proven alcohol cleaning pad
and thermal grease.
Remove the processor (trained technician only)
Follow instructions in this section to remove the processor. The procedure must be executed by a trained
technician.
About this task
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.
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.
• Make sure to manually record the UEFI settings before processor removal because the system will load
default UEFI settings when the processor is removed.
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.
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ThinkSystem ST45 V3 User Guide