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Communication daughter card (CDC) removal and installation - ThinkPad X41 Tablet

Communication daughter card removal movie

Communication daughter card installation movie

Your computer has a Communication Daughter Card (CDC) slot, in which you can install a Modem Daughter Card (MDC) or a Bluetooth Modem Daughter Card (BMDC).

Attention: 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.

To remove and replace the MDC, do as follows:

  1. Turn off the computer; then disconnect the ac adapter and all cables from the computer.
  2. Close the computer display, and turn the computer over.
  3. Remove the battery.
  4. Loosen the screws (1) on the expansion slot cover; then remove the cover (2).
    CDC cover removal

  5. Remove two screws (3) securing the MDC.
    CDC screw removal

  6. Remove the MDC by pulling the tab (4) with your fingers. Then disconnect the modem cable (5) from the MDC.
    CDC removal

  7. Connect the modem cable to the new MDC, and then attach the MDC to the slot so that it is seated firmly.
  8. Secure the MDC with two screws which you have removed in step 5.
  9. Replace the expansion slot cover by aligning the back side of the cover first and then tightening the screws.
  10. Reinstall the battery.
  11. Turn the computer over again. Connect the ac adapter and cables to the computer; then turn it on.

To remove and replace the BMDC, do as follows:

  1. Turn off the computer; then disconnect the ac adapter and all cables from the computer.
  2. Close the computer display, and turn the computer over.
  3. Remove the battery.
  4. Loosen the screws (1) on the expansion slot cover; then remove the cover (2).
    CDC cover removal

  5. Remove two screws (3) securing the MDC.
    CDC screw removal

  6. Remove the BMDC by pulling the tab (4) with your fingers. Then disconnect the modem cable (5) from the BMDC.
    CDC removal
  7. Turn the BMDC over. If a tool for removing the connector is included in the package with the new card, use it to disconnect the cable from the card. If no such tool is included, disconnect the cable from the card by picking up the connectors with your fingers and gently unplugging them. Then remove the card.
    x41tabletbmdc.gif
  8. Connect the Bluetooth antenna cable and the modem cable to the new BMDC, and then attach the BMDC to the slot so that it is seated firmly.
  9. Secure the BMDC with two screws which you have removed in step 5.
  10. Replace the expansion slot cover by aligning the back side of the cover first and then tightening the screws.
  11. Reinstall the battery.
  12. Turn the computer over again. Connect the ac adapter and cables to the computer; then turn it on.
Additional information

Hardware removal and installation index- ThinkPad X41 Tablet

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  • Alias ID: MIGR-60737
  • Document ID: PD013166
  • Last Updated :6/17/2014
  • (c) 2014 Lenovo