Replacing The Wireless-Wan Card - Lenovo ThinkPad A475 User Manual

Replacing the wireless-WAN card

The following information is only for the computer with user-installable modules.
Before you start, read "Important safety information" on page v and print the following instructions.
Attention: Do not touch the contact edge of the wireless-WAN card. Otherwise the wireless-WAN card
might get damaged.
To replace the wireless-WAN card, do the following:
1. Disable the built-in battery. See "Disabling the built-in battery" on page 102.
2. Ensure that the computer is turned off and disconnected from ac power and all cables.
3. Close the computer display and turn the computer over.
4. Remove the removable battery. See "Replacing the removable battery" on page 102.
5. Remove the base cover assembly. See "Replacing the base cover assembly" on page 105.
6. To remove the wireless-WAN card, do the following:
a. Open the film to access the wireless-WAN card
b. Hold the cable connector with your fingers and gently disconnect each cable from the wireless-WAN
card 2 . Then remove the screw that secures the wireless-WAN card
secured position and pivots upward.
c. Carefully remove the wireless-WAN card out of the slot
118
A475 User Guide
1 .
3 . The card is released from the
4 .