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Screws
Power paddle card
Figure 207. Power paddle card installation
Step 4.
Install the two screws in the power paddle card.
Step 5.
Replace the power paddle card cover (see “Replacing the power paddle card cover” on page 209).
Step 6.
Install the cover (see “Replacing the cover” on page 196).
Step 7.
Reconnect the power cords and any cables that you removed.
Step 8.
Slide the server into the rack.
Step 9.
Turn on the peripheral devices and the server.
Removing and replacing Tier 2 CRUs
You may install a Tier 2 CRU yourself or request Lenovo to install it, at no additional charge, under the type
of warranty service that is designated for your server.
The illustrations in this document might differ slightly from your hardware.
Removing a microprocessor and heat sink
Use this information to remove a microprocessor and heat sink.
• Microprocessors are to be removed only by trained technicians.
Important:
Always use the microprocessor installation tool to remove a microprocessor. Failing to use
the microprocessor installation tool may damage the microprocessor sockets on the system board. Any
damage to the microprocessor sockets may require replacing the system board.
• Be extremely careful, the microprocessor socket contacts are very fragile. Do not touch the
microprocessor socket contacts. Contaminants on the microprocessor contacts or microprocessor socket
contacts, such as oil from your skin, can cause connection failures between the contacts and the socket.
• Do not allow the thermal grease on the microprocessor and heat sink to come in contact with anything.
Contact with any surface can contaminate the thermal grease and the microprocessor socket.
• Do not use any tools or sharp objects to lift the locking levers on the microprocessor socket. Doing so
might result in permanent damage to the system board.
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Lenovo System x3650 M4 HD Installation and Service Guide
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