Replacing An Adapter Card - Lenovo ThinkStation C20x 4269 Hardware Manual

Replacing an adapter card

1. Turn off the computer and allow the computer to cool for 3-5 minutes.
2. Open the computer cover. See "Opening the cover" on page 94.
3. Unlatch and open the card retainer 1 .
4. Take note of the location of all cable connections on the adapter card. It will be
5. Disconnect all cables connected to the adapter card. See "System board
6. Some models have:
necessary to reconnect them properly when installing a new card.
connectors and components" on page 93.
v A screw installed in the adapter bracket, remove this screw.
v An additional retention feature located on the card guide end. Push the
retention feature toward the front of the chassis before removing the adapter
card.
Chapter 9. Replacing FRUs (types 6423 and 6483)
103