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9. Pivot the card until you can snap it into place by pressing the upper side of the connectors (1). Secure
the card with the screw (2).
10. Connect the cables to the new PCI Express Mini Card. Be sure to attach the gray cable to the connector
marked “TR1” on the card, the white cable to the connector marked “RO” or “TR3” (center), and the
black cable to the connector marked “TR2”.
11. Reinstall the keyboard. For more information about how to reinstall the keyboard, refer to “Replacing
the keyboard” on page 119.
12. Reinstall the battery. For more information about how to reinstall the battery, refer to “Replacing the
battery” on page 111.
13. Turn the computer over again. Connect the ac power adapter and cables to the computer; then turn it on.
Installing and replacing the PCI Express Mini Card for wireless WAN
Before you start, print these instructions.
Some ThinkPad models have a PCI Express Mini Card slot for connection to a wireless WAN. To replace the
PCI Express Mini Card with a new one, read the following prerequisites.
Chapter 6. Replacing devices 137