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9. Connect any adapter card cables to the system board.
10. Latch the adapter card retainer.
11. Go to “Completing the FRU replacement” on page 108.
Replacing the heat sink
CAUTION:
The heat sink and microprocessor might be very hot. Turn off the computer and wait
three to ve minutes to let the computer cool before opening the computer cover.
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkStation
Safety and Warranty Guide, go to:
http://www.lenovo.com/support.
This section provides instructions on how to replace and install the heat sink.
To replace the heat sink:
1. Open the computer cover. See “Removing the cover” on page 78.
2. Lay the computer on its side for easier access to the heat sink.
90 ThinkStation Hardware Maintenance Manual