Lenovo THINKCENTRE 8804 User Manual download pdf (Page 21)

15. Lower the microprocessor straight down into the microprocessor socket.

16. Lower the microprocessor retainer 2 and then lower the lever 1 to secure

the retainer. Make sure the lever is securely locked into position.

Note: There will be a black plastic cover on the microprocessor retainer to

protect the socket on the new system board. When you lock the

microprocessor in position, remove the black plastic cover. Place the black

plastic cover on the microprocessor retainer of the failing system board.

17. Place the heat sink into position and lower the lever to secure the heat sink.

18. To install the new system board into the chassis, tilt the front end of the

system board between the diskette drive and the fan assembly, and position it

so that the slots in the new system board are aligned with the pins on the

chassis.

Chapter 2. Replacing hardware 13

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Lenovo THINKCENTRE 8804 User Manual Page 21