Lenovo ThinkStation 2551 Hardware Maintenance Manual page 97

3. At the rear of the computer, press the release button
Figure 13. Opening the PCI card latch
4. Depending on whether you are installing or replacing a PCI card, do one of the following:
• If you are installing a PCI card, remove the appropriate metal slot cover.
• If you are replacing an old PCI card, grasp the old card that is currently installed and gently pull it
out of the slot.
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Chapter 10 Replacing FRUs (for machine types: 2551, 2552, 2553, 2554, and 2555)
1 to open the card latch 2 .
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