ByteRot :: Power Mac G4 Quicksilver Logic Board Replacement

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Power Mac G4 Quicksilver Logic Board Replacement

Device	Power Mac G4 Quicksilver
Difficulty	Moderate
Time	15 - 30 minutes
Steps	11

This guide is by Cameron Christensen 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 >>

Removing the mother board of the Power Mac G4 Quicksilver.

Tools: Phillips #0 Screwdriver

Step 1

• The handle to open your computer is located on top of the right side panel.

Step 2

• Grab the circular handle and pull outward.

Step 3

• Your computer is now open and ready for repair.

Step 4

• This is your Power Mac G4's video adapter.

Step 5

• Start by removing the screw holding the card to the chassis as shown.

Step 6

• Before lifting the card out, this small plastic tab needs to be pulled back there by releasing it entirely.

Step 7

• With the tab and screw removed, lift the card straight out.
• NOTE: When putting the card back in, take care to apply even pressure across the top with your thumbs. This will avoid damaging the card.

Step 8

• Disconnect both the power cables and IDE cable from the mother board.

Step 9

• Remove these three screws that hold the motherboard fan and modem connector to the chassis.

Step 10

• Remove the four screws shown to free the mother board from the chassis.

Step 11

• Lift the fan shroud and fan straight up and out. Take care to disconnect the indicated connector
• Remove the heatsink clamps with a flathead screwdriver and do the same for the other side.
• CAUTION: Lift off the heatsink and remove the 4 screws of the CPU board.
• There are 4 pins: remove the 3 pins near the RAM but not the pin nearest You.
• You are now ready to slide gently (and without ANY difficult) the motherboard. Lift up and the game is done.

Conclusion

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

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