Lenovo IdeaCentre K220 User Manual download pdf (Page 47)

Hardware Maintenance Manual

8. Reconnect a power supply connector to each of the drives.

9. Refer to the “Completing the installation”.

Replacing the heat sink assembly

Attention

Do not remove the computer cover or attempt any repair before

reading the “Important safety information” in the Safety and Warranty

Guide that was included with your computer or in the Hardware

Maintenance Manual (HMM) for the computer. To obtain copies of

the Safety and Warranty Guide or HMM, go to the Support Web site at

http://www.lenovo.com/support.

To replace the heat sink assembly:

1. Remove the computer cover. Refer to “Removing the computer cover”.

2. Lay the computer on its side.

3. Locate the heat sink. Refer to “Identifying parts on the system board”.

4. Disconnect the heat sink and the fan assembly cable from the system

board.

5. Remove the four screws

securing the heat sink and fan assembly to

the system board.

6. Lift the failing heat sink and fan assembly oﬀ the system board.

7. Use the thermal grease syringe to place ﬁve drops of grease on the top

of the microprocessor. Each drop of grease should be 0.03ml (3 tick

marks on the grease syringe).

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 63 64

No comments

Lenovo IdeaCentre K220 User Manual Page 47