Troubleshooting Procedure

The steps to solve a symptom are listed sequentially. You might not need to perform every step before the symptom is solved. Start with the first step, and then test for the symptom. If the symptom persists, replace any modules you removed, go to the next step, and test again. Continue down the list until the symptom is solved. Note The PowerBook G4 has two memory expansion slots and accepts 1.5-inch (or shorter) PC-100 compliant, SO-DIMM memory cards there is no RAM on the logic board itself....

Battery Shim Installation Instructions

Be sure to follow the instructions in this sheet carefully. Failure to follow these instructions could result in damage to your equipment and may void your warranty. 1. Wedge the flat end of the provided stick between the battery body and the battery connector to create a thin groove. 2. Peel away the adhesive strip from one of the shims. 3. Insert the narrow end of the shim with the adhesive side up and away from the connector into the thin groove. 4. Use the stick to press the shim down and...

Procedure

Powermac Mdd Logicboard Replace

From the keyboard opening, disconnect the three-pin fan connector. 3. Disconnect the PC Card ribbon cable connector and the six-pin keyed battery connector. Important If the battery connector has not been disconnected before, the keyed connector may be tight. If necessary, use a black stick to loosen one side of the connector and then the other side. Then insert the black stick under the wires to pry up and disconnect the connector. Note When reassembling the computer, tuck down the battery...

Preliminary Steps

Macbook Steckt Die Pmu

Before you begin, remove the following AirPort Card if installed 1. With the computer on a soft cloth, remove the two identical screws from the clutch cover that is next to the power adapter port, as shown. 3. At the clutch, note the routing of the inverter cable the black and pink wires . Without straining the inverter cable, gently remove the Kapton tape from the inverter cable. Disconnect the inverter cable from the inverter board. 4. Remove the two identical silver-colored Phillips screws...

Installing the Replacement Bottom Case

To install the new bottom case, place it over the bottom of the computer in the same orientation as the original bottom case. 2. Align the notches on the right and left sides of the case some of these can be viewed through the battery opening . Then press down and toward you slightly to secure the case. Important Make sure that the seams between the bottom case and the frame are closed. Verify that the case lies flat and fits properly around the battery latch and that the alignment tab that...

Removing the Installed Hard Drive

Mounting Bracket For Hard Drive

With your fingers, carefully pry up the hard drive cable connector Figure 8 at its sides to disconnect it from the logic board. You may need to pry one side, then the other, in a rocking motion. 2. With a Torx T8 screwdriver, remove the two screws Figure 9 that secure the hard drive to the mounting bracket and then gently remove the hard drive. Important Do not pull on the connector cable or use the cable as a handle. Note There are four rubber stoppers on the hard drive that fit over screws...

Opening the Computer

Powerbook Titanium Diagram

Warning Always shut down your computer before opening it to avoid damaging its internal components or causing injury. After you shut down the computer, the internal components can be very hot. Let the computer cool down before continuing. To access the hard drive, you must first remove the battery and bottom case. 1. Place your computer on a clean, flat surface. 2. Shut down your computer and wait thirty minutes before continuing. 3. Disconnect the power cord and any other cables connected to...