PowerBook G3 Pismo Heat Sink Replacement

  • Author: iRobot
  • Difficulty: Moderate

The heat sink helps keep the processor cool and happy.

Edit Step 1 Keyboard  ¶ 

Image 1/1: Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.

Edit Step 1 Keyboard  ¶ 

  • Turn the keyboard locking screw so that it is parallel to the space bar.

  • Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.

  • Lift the keyboard out by pulling it up and away from you. Rest the keyboard, face down, on top of the track pad.

Edit Step 2  ¶ 

Image 1/1: The connector may be tight. Gently rock the connector from side to side while pulling directly upward to free it. You can use this technique on many of the cards and cables you'll be disconnecting.

Edit Step 2  ¶ 

  • Pull the keyboard ribbon straight up from the logic board. Place the keyboard aside.

  • The connector may be tight. Gently rock the connector from side to side while pulling directly upward to free it. You can use this technique on many of the cards and cables you'll be disconnecting.

  • Make sure you have removed the laptop battery and CD/DVD modules from the expansion bays before proceeding.

Edit Step 3  ¶ 

Image 1/1:

Edit Step 3  ¶ 

  • Your laptop should look approximately like this.

Edit Step 4 Heat Shield  ¶ 

Image 1/1: Lift the heat shield up and pull it toward you.

Edit Step 4 Heat Shield  ¶ 

  • Remove the two silver Phillips #1 screws that attach the heat shield to the internal metal framework.

  • Lift the heat shield up and pull it toward you.

Edit Step 5  ¶ 

Image 1/1:

Edit Step 5  ¶ 

  • Your laptop should look approximately like this.

Edit Step 6 Airport Card  ¶ 

Image 1/1: Firmly grasp the plastic tab attached to the Airport card and pull up and then to the right.

Edit Step 6 Airport Card  ¶ 

  • Skip this step if your computer does not have an Airport card installed.

  • Firmly grasp the plastic tab attached to the Airport card and pull up and then to the right.

  • The Airport card is still attached to the antenna cable, so don't just yank it out of the slot.

Edit Step 7  ¶ 

Image 1/1:

Edit Step 7  ¶ 

  • Disconnect the antenna cable from the Airport card.

Edit Step 8 PRAM Battery  ¶ 

Image 1/1: Remove the battery from its holder by pulling up and to the left.

Edit Step 8 PRAM Battery  ¶ 

  • Pull the battery cable directly up from the logic board.

  • Remove the battery from its holder by pulling up and to the left.

Edit Step 9  ¶ 

Image 1/1:

Edit Step 9  ¶ 

  • Your laptop should look approximately like this.

Edit Step 10 Heat Sink  ¶ 

Image 1/1: Remove the two T8 Torx screws that attach the heat sink to the processor.

Edit Step 10 Heat Sink  ¶ 

  • Remove the long silver Phillips #1 screw from the heat sink.

  • Remove the two T8 Torx screws that attach the heat sink to the processor.

Edit Step 11  ¶ 

Image 1/1: If you need to mount the heat sink back into the laptop, we have a [guide|744|thermal paste guide] that makes replacing the thermal compound easy.

Edit Step 11  ¶ 

  • Lift the heat sink up from the left side and pull it out.

  • If you need to mount the heat sink back into the laptop, we have a thermal paste guide that makes replacing the thermal compound easy.

Conclusion

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

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2 Comments

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On my M7572, these are T9s not Philips.

Rufleyboy - Reply

On mine, the airport card had been put it with the orange ribbon OVER the top, so had to unplug the righthand connector and then plug it back in after (see pic for Step 8)

Rufleyboy - Reply