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Introdução

Remove all electrical wires from the computer, and lay the computer flat on its screen. The computer should rest on a smooth, padded surface.

  1. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Bottom Plate: passo 1, imagem 1 %32
    • Unplug all the cables from the computer, including the power cable. Lay the computer face-down, supporting the neck and base with a soft cloth under the screen.

  2. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 2, imagem 1 %32
    • Loosen the four Phillips #0 screws.

  3. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 3, imagem 1 %32
    • Carefully remove the base access panel.

  4. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Bottom Plate Housing: passo 4, imagem 1 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement, Bottom Plate Housing: passo 4, imagem 2 %32
    • Remove the four 25mm T-15 screws.

  5. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 5, imagem 1 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 5, imagem 2 %32
    • Open the housing plate.

    • Be gentle with the wires still connected to the logic board so as not to ruin the cables.

    • A fixed plug connector between the logic board and upper unit will cause some resistance. Pull gently but firmly.

  6. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Drive Carrier Assembly: passo 6, imagem 1 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement, Drive Carrier Assembly: passo 6, imagem 2 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement, Drive Carrier Assembly: passo 6, imagem 3 %32
    • Remove the 2 torx 10mm screws on the EMI shield

    • Carefully remove shield and copper tape

  7. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 7, imagem 1 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 7, imagem 2 %32
    • Remove the 4 10mm torx screws attatched to the drive carrier.

    • The drive carrier includes optical drive and hard drive.

  8. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 8, imagem 1 %32
    • Grasp the carrier with both hands on each side.

    • Remove the carrier by lifting up and out.

    • Pull gently but firmly. The carrier is meant to fit snugly.

  9. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 9, imagem 1 %32
    • Flip the removed carrier to the right and pull out power cables.

  10. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Hard Drive: passo 10, imagem 1 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement, Hard Drive: passo 10, imagem 2 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement, Hard Drive: passo 10, imagem 3 %32
    • Peel back the white paper, revealing the screws that connect the hard drive to the carrier.

    • Remove the 4 T-10 5mm screws connecting the hard drive and frame. (There are 2 screws on each side)

  11. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 11, imagem 1 %32
    • Slide the hard drive out from the frame and optical drive.

  12. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Double check the new drive's jumper: passo 12, imagem 1 %32
    • Before you reassemble the computer, double check that your new hard drive has the same jumper configuration as the old one. This ensures the IDE "Master-Slave" protocol isn't interrupted. Some systems do not require this, but if you are having issues booting up afterwards with the storage or the disc drive, this could be the source of the problem.

  13. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Optical Drive: passo 13, imagem 1 %32
    • Remove the four T-10 6mm screws at the sides of the drive.

  14. iMac G4 17 800 MHz EMC 1936 Fan Replacement: passo 14, imagem 1 %32
    • Slide the optical drive out of the carrier

  15. iMac G4 17 800 MHz EMC 1936 Fan Replacement, Fan: passo 15, imagem 1 %32 iMac G4 17 800 MHz EMC 1936 Fan Replacement, Fan: passo 15, imagem 2 %32
    • Take out the two T-15 screws that hold the fan brackets to the chassis.

    • Remove the four T-20 screws that hold the brackets onto the fan itself.

    • Now you can remove the fan from the computer. There may be an adhesive seal holding the fan to the chassis, so some force may be required.

Conclusão

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

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David Hunter

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Cal Poly, Team 21-22, Maness Fall 2011 Membro de Cal Poly, Team 21-22, Maness Fall 2011

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4 comentários

We need to show an action shot for step 8 of the REmove Drive Carrier Assembly

Courtney - Responder

I don't see why it would be necessary... ??

Nicolas Zbinden -

I would like to add; That you may need some thermal past as there is a heat sink that splits in two when you remove the bottom.

substevew - Responder

anyone have a link for an adapter i can use to make any regular pc fan work in the imac g4? i was looking at a blue LED one on amazon and a guy said in the comments it would work but it needed an adapter but I can’t seem to find the correct one! plz help, thanks!

the biohazard - Responder

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