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Figure 46. Installing the memory module
6. Go to “Completing the FRU replacement” on page 131.
Replacing an adapter card
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre
Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace an adapter card.
To replace an adapter card:
1. Open the computer cover. See “Opening the computer cover” on page 107.
2. Rotate the adapter card retainer to the open position and then remove the old adapter card that
is currently installed.
Notes:
a. The adapter card ts tightly into the adapter card slot. If necessary, alternate moving each side of
the adapter card a small amount until it is removed from the slot.
b. If the adapter card is held in place by a retaining latch, press the adapter card retaining latch 1
downwards to disengage the latch. Grasp the adapter card and then carefully pull the adapter
card out of the slot.
Chapter 9. Replacing FRUs (Machine Types: 3379, 4083, 4088, 4099, 4138, 5897, 6137, 6234, 6258, 6303, 7174, 7220,
7346, 7354, 7357, 7360, 7483, 7582, 7627, 7630, 7638, 8910, and 9964.) 113