Lenovo IdeaCentre K220 - Manual (Page 48)

Chapter 7. Replacing hardware
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8. Install the heat sink and fan assembly on the heat sink retention
bracket.
9. Reconnect the disconnected cables to the system board.
10. Refer to the” Completing the installation”.
Replacing a memory module
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 a memory module:
1. Remove the computer cover. Refer to “Removing the computer cover”.
Note: For this procedure, it helps to lay the computer on its side.
2. Locate the memory module connectors. Refer to “Locating
components”.
3. Remove the memory module being replaced by opening the retaining
clips as shown.