PowerBook G3 Lombard Processor Replacement

Introduction

This processor board also includes L2 cache. It is not soldered to the logic board, so installing a replacement is very easy.

What you need

1. Step 1 PowerBook G3 Lombard Processor Replacement
  Turn the computer so that the ports are facing you.
  
  If the keyboard is locked, open the port cover and turn the keyboard locking screw until the keyboard is unlocked.
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2. Step 2
  Pull the keyboard release tabs toward you and lift up on the keyboard until it pops free.
  
  Make sure you have removed the laptop battery and CD/DVD module from the expansion bays before proceeding.
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3. Step 3
  Lift the keyboard out by pulling it up and away from you. Rest the keyboard, face down, on top of the trackpad.
  
  In order to replace the keyboard, you must first remove the modem.
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4. Step 4
  Remove the three silver Phillips screws that attach the heat shield to the internal metal framework.
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5. Step 5
  Lift the heat shield up and pull it toward you.
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7. Step 6
  Your laptop should look approximately like this.
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8. Step 7
  Pull the battery cable directly up from the logic board.
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9. Step 8
  Remove the battery from its holder by pulling up and to the left.
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10. Step 9
  Remove the two silver Phillips screws from the modem.
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11. Step 10
  Use a spudger, the tips of your fingers, or a flat non-metal tool to get under the modem's edge and pry it up from its socket as shown in the picture.
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12. Step 11
  Disconnect the cable from the right side of the modem.
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13. Step 12
  Your laptop should look approximately like this.
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14. Step 13
  Use a spudger, the tips of your fingers, or a flat non-metal tool to pry up the processor's right side.
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15. Step 14
  Disconnect the keyboard cable from the logic board by pulling directly up on the clear plastic loop.
  
  This step is out of sequence with the keyboard because in order to remove the keyboard you must first remove the modem.
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16. Step 15
  Your laptop should look approximately like this.
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