Introduction

The inverter powers the LCD backlight and is not a difficult part to replace.

Locate the battery release tab on the underside of the G4. Slide the battery release tab to the left and lift the battery out of the computer.
  • Locate the battery release tab on the underside of the G4.

  • Slide the battery release tab to the left and lift the battery out of the computer.

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Remove the seven T8 Torx screws from the lower case. Using your thumbs, slide the lower case toward the front of the computer.
  • Remove the seven T8 Torx screws from the lower case.

  • Using your thumbs, slide the lower case toward the front of the computer.

  • The lower case may stick in the front on a tab just above the center of the optical drive. Be careful as you work the case off, or you may break the thin strip of plastic just above the drive.

  • Lift the lower case off.

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Disconnect the hard drive ribbon from the logic board using a spudger or the tip of your finger.
  • Disconnect the hard drive ribbon from the logic board using a spudger or the tip of your finger.

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To free the hard drive, remove the two T8 Torx screws from the right wall of the battery housing.
  • To free the hard drive, remove the two T8 Torx screws from the right wall of the battery housing.

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Remove the hard drive by lifting the left edge up and out of the computer.
  • Remove the hard drive by lifting the left edge up and out of the computer.

  • There are four rubber bumpers that fit over the hard drive screws. Ensure that these bumpers come out when you remove the hard drive.

The hard drive can be removed with its bumpers intact, by just taking off the black plastic clamp to its right. Reinserting the drive is also vastly easier when done this way.

ratiocination - Reply

Your laptop should look approximately like this.
  • Your laptop should look approximately like this.

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Disconnect and remove the indicated orange ribbon cable.
  • Disconnect and remove the indicated orange ribbon cable.

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Disconnect the pink and white inverter cable from the inverter board.
  • Disconnect the pink and white inverter cable from the inverter board.

  • The display inverter has orange plastic shielding around it that looks similar to the tape used elsewhere within the computer. Do not remove the shielding from the inverter.

The pink and white inverter cable connection to the inverter board is very tight. Grasp the notch on the right side of the white connector with needle nose pliers and gently wiggle and pull it out of the socket.

Sugar Fish - Reply

Remove the two silver T8 Torx screws from the black plastic bar.
  • Remove the two silver T8 Torx screws from the black plastic bar.

  • Lift the black plastic bar out.

  • Reassembly will be significantly easier if you reseat the hard drive before returning the black bar to its place.

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Disconnect the two orange connectors from the logic board, removing tape as necessary.
  • Disconnect the two orange connectors from the logic board, removing tape as necessary.

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Lift the drive up on the right side so that you can access and disconnect the modem cable and inverter cable.
  • Lift the drive up on the right side so that you can access and disconnect the modem cable and inverter cable.

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Remove the drive by lifting the right edge up and out of the computer.
  • Remove the drive by lifting the right edge up and out of the computer.

During reassembly, make sure pink and white inverter cable with white plug does not get trapped under the edge of the drive unit.

einar3888 - Reply

Remove the two T6 Torx screws from the modem.
  • Remove the two T6 Torx screws from the modem.

  • Lift the modem off the optical drive, carefully guiding the orange ribbon cable through the space in the drive mount.

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Remove the two T6 Torx screws from the inverter board.
  • Remove the two T6 Torx screws from the inverter board.

  • Lift the inverter board off the optical drive.

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Your laptop should look approximately like this.
  • Your laptop should look approximately like this.

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Conclusion

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

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iRobot

Member since: 09/24/2009

1 Reputation

725 Guides authored

2 Comments

I didn't need to remove the modem on my Antimony model.

Fred Hood - Reply

Absolutely no reason to remove the HDD, modem, or optical drive to do this on the 1GHz model. Remove the back cover and the two screws that hold the inverter in place, and thats all you need to do.

insaneiaq - Reply

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