Release the tabs on each side of the RAM chip at the same time. These tabs lock the chip in place and releasing them will cause the chip to ÒpopÓ up.
Pull the RAM chip out.
Repeat this process if a second RAM chip is installed.
Using your thumbs, slide the lower case away from you.
The lower case may stick in the front on a tab just above the center of the DVD 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.
Skip this step if your computer does not have an Airport card.
Firmly grasp the plastic tab attached to the Airport card and pull up and to the left.
Disconnect the antenna cable from the left side of the Airport card.
Remove the hard drive by gently grasping the orange ribbon cable and 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.
If your G4 has a CD-RW or Combo drive, the pictures in the following steps will not exactly match your computer.
Before continuing, place a soft cloth on your work surface to rest the computer on. Turn the G4 over, making sure the DVD drive doesn't fall out. Place the computer on the cloth.
Bend the silver metal EMI clip so that it is vertical. This part may fall out after removing the DVD drive.
The EMI clip is not essential for reassembling the computer. If the clip falls out, don't worry about putting it back in.
Remove the DVD drive by lifting the right edge up and out of the computer.
If you have a CD or any other object jammed in your optical drive, we have an optical drive repair guide .
Disconnect the three indicated connectors from the logic board.
Disconnect the orange PC card cage connector from the logic board.
The large multicolor cable may be difficult to free.
Carefully lift the logic board up and pull it away from you.
This step requires some force, but if the logic board will not come up, make sure you have removed all screws and connectors necessary.
Remove the logic board from the computer.
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