Lenovo 3347XF2, S230U, 33472YU, 33472GU manual Replacing devices

Models: 3347XF2 33472GU 33472YU S230U

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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 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.

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

1.Disable the built-in battery. See “Disabling the built-in battery” on page 49.

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

3.Remove the keyboard. See “Replacing the keyboard” on page 53.

4.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 might have only one connector.

5. Remove the screw. The card with the bracket pops up.

Chapter 6. Replacing devices 61

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Lenovo 3347XF2, S230U, 33472YU, 33472GU manual Replacing devices