Modem Daughter Card (MDC) removal and installation - ThinkPad T61

View the Modem Daughter Card removal movie
View the Modem Daughter Card installation movie


Attention: During electrical storms, do not connect the cable to or disconnect it from the telephone outlet on the wall.

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 replace the Modem Daughter Card (MDC):
Attention: Before you start installing an MDC, 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.

  1. Turn off the system; then disconnect the ac adapter and all cables from the system. Wait for a few minutes until the inside of the system cools, before you start the following procedures.
  2. Close the system display, and turn the system over.
  3. Remove the battery.
  4. Remove the keyboard.
  5. Remove the two screws securing the Card.
    Two screws

  6. Remove the Card by pulling the tab with your fingers.
    Remove card

  7. Turn the Card over (1), and then disconnect the modem cable (2) from the Card.
    Disconnect the cable

  8. Connect the modem cable to the new Card (3), and then turn the Card over (4).
    Connect cable

  9. Insert the new Card into the slot so that it is seated firmly.
    Insert card

  10. Secure the Card with the two screws you removed in step 5.
    Secure with screws

  11. Reinstall the keyboard.
  12. Reinstall the battery.
  13. Turn the system over again. Connect the ac adapter and cables to the system; and then turn it on.
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  • Alias ID: MIGR-67759
  • Document ID: PD011478
  • Last Updated :17 Jun 2014
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