Installing and replacing the PCI Express Mini Card for wireless WAN connection

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.

Prerequisites for the procedure

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.

Attention: Before you start installing a PCI Express Mini 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.

If a Wireless WAN is available in your computer, to replace the PCI Express Mini Card, do as follows.

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 119.

4.Remove the keyboard. See “Replacing the keyboard” on page 130.

5.If a tool for removing connectors is included in the package with the new card, use it to disconnect the cables from the card. If no such tool is included, disconnect the cables by picking up the connectors with your fingers and gently unplugging them.

Note: Depending on the system configuration of your computer, the card may have only one connector.

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Lenovo 4242X04, NVS-4200M, 42825BU, 42421A0 manual User Guide
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4242X04, NVS-4200M, 42421A0, 42825BU specifications

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