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Modem removal - ThinkPad A20, A21

This document contains instructions for removing and installing the modem card on the A20 or A21 series laptop.

NOTE: Remove battery before removing card.

Removing the modem

  1. Loosen screw, but do not remove
  2. Lift the door and remove.
    removing the modem door
  3. Remove the shield.
  4. Pry the latches gently away from the card. The modem should pop up.
  5. Remove cables from modem. Depending on the type of card installed, there may be one or two cables. If the system has the modem only option then there will be one cable. If the system has the modem/ethernet combo card installed then there will be two cables.
  6. Remove card from slot.
    removing the modem card

To install the modem, reverse the procedure.


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Document ID : PD009480
Legacy Document ID : MIGR-4K5KB8
Last Updated :
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