Lenovo W530, T530i, 24384KU, 243858U manual Installing and replacing the wireless WAN card, Danger

10.Connect the cables to the new wireless LAN card. Be sure to attach the gray cable to the connector marked TR1 or Main on the card, the white cable to the connector marked RO or TR3 (center), and the black cable to the connector marked TR2 or Aux.

Note: If the new wireless LAN card has two connectors, put the white cable in the cable protection tube.

11.Reinstall the keyboard. See “Replacing the keyboard” on page 78.

12.Reinstall the battery. See “Replacing the battery” on page 72.

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

Installing and replacing the wireless WAN card

Before you start, print these instructions.

Prerequisites for replacing or installing the wireless WAN card

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.

Attention: Before you start installing a wireless WAN card, 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.

To replace or install the wireless WAN card, do the following:

1.Turn off the computer, then disconnect the ac power adapter and all cables from the computer. Wait three to five minutes to let the computer cool.

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

3.Remove the battery. See “Replacing the battery” on page 72.

4.Remove the keyboard. See “Replacing the keyboard” on page 78.

Chapter 6. Replacing devices 89