Introduction

Tripped over your power cord? At least you don't have to replace the entire logic board.

Locate the battery release tab on the underside of the G4.
  • 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.
  • 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 large DC-In connector from the right side of the logic board.

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  • Remove the two T6 Torx screws from the DC-In board.

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  • Lift the DC-In board out of the computer by pulling up and away from you.

  • If you don't have a 667 MHz computer, there is a fan in this location which makes it a bit difficult to remove the DC-In board.

  • If there is a fan present, rotate the DC-In board slightly clockwise before easing it out at a slight angle in order to clear the fan clamp on top of it.

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Conclusion

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

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iRobot

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