PowerBook G3 Wallstreet Power Card Replacement

Remove both expansion bay modules using the levers on the front of the computer.

Insert your index fingers inside the expansion bays and search for the two ribbed tabs on the underside of the upper case. The tabs are located near the bottom corners of the keyboard.

Pull the tabs toward yourself and the keyboard will pop up.

Pull the keyboard forward to disengage the tabs holding it in back and rotate it toward you.

Rest the keyboard on the trackpad.

Disconnect the two keyboard connectors by disengaging the clamps and pulling the ribbons directly upward.

Slide a spudger downward between each plastic strain relief cable and the wall of the case in order to bow out the cable beyond the small tab holding it in place.

Once the strain relief cables are free, lift the keyboard off.

Your laptop should look approximately like this.

Remove the two Phillips screws from the heat shield.

Grasp the metal handle on the heat shield and pull up and toward yourself.

Unscrew, but do not remove, the single Phillips screw from the hard drive bracket.

Grasp the hard drive bracket on the left side and pull up and to the left.

Your laptop should look approximately like this.

Use a spudger, the tips of your fingers, or a flat non-metal tool to pry up the processor's right side.

Remove the processor by sliding it up and to the right.

Remove the single Phillips screw from the modem.

Disconnect the orange PMU cable by pulling it directly up.

Disconnect the modem from the logic board by lifting up on the right side using a spudger, the tip of your finger, or a flat non-metal tool.

Remove the modem by sliding it up and to the right.

Your laptop should look approximately like this.

Push the display back so that it lies flat.

Slip a spudger or your index finger under the clutch cover near the power button and pull upward until you feel it come free.

Repeat the previous step on the left side.

Lift the clutch cover off by rotating it up and then toward you.

Disconnect the orange display data cable on the left side of the computer. Grasp the cable near the connector and pull directly up.

Disconnect the orange display inverter cable on the right side of the computer. Grasp the cable near the connector and pull directly up.

Turn the laptop around so that its back faces you.

Open the port door located at the back of the laptop.

Remove the four black T8 Torx screws.

Turn the laptop back around so that the screen faces you.

Adjust the display so that it is in a vertical position.

Hold the display on both sides and pull directly up until its hinges are free of their mounts

Your laptop should look like this.

Remove the four T8 Torx screws from the upper case.

Turn the laptop over.

Remove the eight T8 Torx screws from the bottom casing.

Turn the laptop over.

Disengage the small locking tab by pressing in on the upper case to the right of the PMU connector.

Lift the upper case up just enough so that the tab rests on its metal bracket.

Grasp the upper case near the back left corner and lift up partly so that you can access and disconnect the audio in/out cable from the sound card in the upper right corner of the case.

Remove the upper casing. Note that there are two tabs on the laptop's front that often cause the upper case to stick.

Your laptop should look approximately like this.

Remove the single black T8 Torx screw from the power card.

Grasp the power card near the black plastic shield toward the center of the case and lift up.