7.Connect the antenna cables to the new PCI Express Mini Card as shown in the drawing. 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”.

8.Reinstall the keyboard. See “Replacing the keyboard” on page 67.

9.Turn the computer over again. Connect the ac power adapter and all cables.

Replacing a Mini PCI ExpressCard for wireless WAN connection

Before you start, print these instructions.

DANGER

During electrical storms, do not connect the cable to or disconnect it from the telephone outlet on the wall.

DANGER

Electric current from power, telephone, and communication cables is hazardous. To avoid shock hazard, disconnect the cables before opening the cover of this slot.

Replacing a full-size wireless WAN card

Attention: Before you start installing a Mini PCI ExpressCard, touch a metal table or a grounded metal object. This action reduces any static electricity from your body. The static electricity could damage the card.

If your computer is equipped with a full-size wireless WAN card, replace the card by doing the following:

1.Disable the built-in battery. See “Disabling the built-in battery” on page 63.

2.Close the computer display, and turn the computer over.

3.Remove the keyboard. See “Replacing the keyboard” on page 67.

Chapter 6. Replacing devices 77

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Lenovo S430 manual Replacing a Mini PCI ExpressCard for wireless WAN connection