Skip to main content

Apple PowerBook G3 400 Modem Replacement

What you need

  1. Apple PowerBook G3 400 Modem Replacement, Keyboard: step 1, image 1 of 1
    • Pull the keyboard tabs toward you while lifting up on the keyboard until it releases from it's hold.

    • To lift the keyboard out pull it up and away from you. Then place the keyboard on the track pad.

  2. Apple PowerBook G3 400 Modem Replacement: step 2, image 1 of 1
    • Pull the keyboard ribbon vertically from the logic board to release connection.

    • The connector may be tight and difficult to remove. If stuck try rocking the connector back and forth while pulling up until it releases. This same process can be used for many of the connectors on this device.

    • Remove battery and CD/DVD drives before proceeding any further.

  3. Apple PowerBook G3 400 Modem Replacement: step 3, image 1 of 1
    • Your computer should look approximately like this.

  4. Apple PowerBook G3 400 Modem Replacement, RAM: step 4, image 1 of 1
    • Remove the two silver Phillips #1 screws that attach the heat shield to the metal framework.

    • Lift the heat shield up and toward you.

  5. Apple PowerBook G3 400 Modem Replacement: step 5, image 1 of 1
    • Pull the PRAM battery cable vertically upward to disconnect it.

    • Remove the battery by pulling up and to the left.

  6. Apple PowerBook G3 400 Modem Replacement: step 6, image 1 of 1
    • Remove the two T8 Torx screws that attach the heat sink to the processor.

    • Remove the long silver Phillips #1 screw from the heat sink.

  7. Apple PowerBook G3 400 Modem Replacement: step 7, image 1 of 1
    • Lift up the heat sink unit from the left side and remove.

  8. Apple PowerBook G3 400 Modem Replacement: step 8, image 1 of 1
    • Lift the processor on the right side and pull directly up.

    • The RAM chips should be in the slots on the processor.

  9. Apple PowerBook G3 400 Modem Replacement: step 9, image 1 of 1
    • After removing the RAM, your laptop should now look like this.

  10. Apple PowerBook G3 400 Modem Replacement, Modem: step 10, image 1 of 1
    • Remove the single black Torx screw from the modem.

    • Remove the black rectangle that is being held on by the one Torx screw.

  11. Apple PowerBook G3 400 Modem Replacement: step 11, image 1 of 1
    • Using your fingers, lift the modem from the socket it is plugged into.

  12. Apple PowerBook G3 400 Modem Replacement: step 12, image 1 of 1
    • Disconnect the cable that is attached to the end of the modem to remove the modem.

Conclusion

To reassemble your device, follow these instructions in reverse order.

Byron Hoefer

Member since: 04/18/11

70 Reputation

2 Guides authored

Team

Cal Poly, Team 4-2, Regan Spring 2011 Member of Cal Poly, Team 4-2, Regan Spring 2011

CPSU-REGAN-S11S4G2

4 Members

6 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 4

All Time: 1,137