Note: If replacing the hard drive flex cable, verify that the EMI pad is installed on the cable, or install it if supplied, or transfer from the replaced cable.

  1. Install the replacement hard drive and reassemble the computer.
  2. Testing the computer should include powering on, checking that the hard drive is recognized, checking for sound from the speakers and that the modem works.


This procedure requires the following tools:

  • 0 Phillips screwdriver (magnetized)
  • Black stick (or other nonconductive nylon or plastic flat-blade tool)

Part Location

Preliminary Steps

Before you begin, remove the following:

  • Battery
  • Top case
  • Hard drive


1. Remove the two screws.

2. Carefully lift the modem to disconnect the flex cable connected underneath.

3. Lift the modem up slightly and disconnect the RJ-11 cable connector.

Replacement Procedure

  1. Connect the RJ-11 cable to the modem.
  2. Verify that the modem RJ-11 cable is routed as shown.

3. Position the modem over the pin and align the screw holes, then press down over the flex connector location to connect the cable.

Note: If the modem will not seat on the flex connector, remove the optical drive to gain access to the cable.

4. Check that the modem cable is still secured to the modem.

5. Reassemble and test the modem. Check the battery latch to make sure nothing is interfering with its rotation.

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