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9. Connect the antenna cables to the new PCI Express Mini Card. Be sure to attach the gray cable to the
connector marked “MAIN” or “M” on the card, and the black cable to the connector marked “AUX” or “A”.
10. Reinstall the computer cover, and then reinstall the screws to secure the cover.
11. Reinstall the battery. See “Replacing the battery” on page 31.
12. Turn the computer over again. Connect the ac power adapter and all cables.
Lenovo B580
To replace the PCI Express Mini Card, do the following:
1. Turn off the computer; then disconnect the ac power adapter and all cables from the computer. Wait for
a few minutes, till the inside of the computer cools, before you start the following procedures.
2. Close the computer display, and turn the computer over.
3. Remove the battery. See “Replacing the battery” on page 31.
4. Remove the screws 1 , and then remove the cover 2 .
1
2
2
1
5. If a tool for removing connectors is included in the package with the new card, use it to disconnect the
cables 3 from the card. If no such tool is included, disconnect the cables by picking up the connectors
with your ngers and gently unplugging them. Then remove the screw 4 and the card pops up.
3
4
3
6. Remove the card.
Chapter 7. Replacing devices 47