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updated2026-10-04 23:30

 
Power Mac G4 Cube Modem Replacement
DevicePower Mac G4 Cube
DifficultyModerate
Time15 - 30 minutes
Steps12
This guide is by Ryan Chun on iFixit and is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0. ByteRot mirrors it for non-commercial preservation: formatting changed and photos resized for old browsers; full-size photos and the text are on the FTP in /DOCS/REPAIR. Original guide >>

Installing Modem involves removing the outer case and video card before installation.

Tools: TR10 Torx Security Screwdriver


Step 1
[step 1 photo] [step 1 photo] [step 1 photo]
• Release the back handle of the PowerMac. Slowly pull out the cube by holding the end of the handle. Watch for any parts that may become entangled with the outer case.
• Push back the handle after you have taken the core out of the case.

Step 2
[step 2 photo] [step 2 photo]
• Place the cube upside down and remove the four T10 Torx screws on the front plate. Then remove the two screws on each side.

Step 3
[step 3 photo]
• CAUTION: Slowly lift the plate off the cube and disconnect the power cord.

Step 4
[step 4 photo]
• Remove the four pillars from each corner.
• NOTE: The pillars should come out fairly easily.

Step 5
[step 5 photo]
• Remove the screws on the back of the VGA port.

Step 6
[step 6 photo]
• Remove the screw attaching the video card to the logic board.

Step 7
[step 7 photo] [step 7 photo]
• Remove power cord from the video card.

Step 8
[step 8 photo]
• Remove the power cord.
• Remove the connector.
• Remove the video card from the logic board.

Step 9
[step 9 photo]
• CAUTION: Carefully lift the video card from the logic board.
• NOTE: The video card should come out easily.

Step 10
[step 10 photo] [step 10 photo]
• Separate the video card from the adapter.

Step 11
[step 11 photo]
• Remove the two screws from the modem.

Step 12
[step 12 photo]
• Lift modem from the Logic Board.
• NOTE: The modem should come out easily.

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

Credit
This guide is by Ryan Chun on iFixit and is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0. ByteRot mirrors it for non-commercial preservation: formatting changed and photos resized for old browsers; full-size photos and the text are on the FTP in /DOCS/REPAIR. Original guide >>
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