Failure to follow these instructions could result in damage to your equipment and may void your warranty. Note: Written and video instructions covering customer-installable parts are available at http://www. apple. com/installparts/. Warning: Sharp edges can exist inside your computer and on any parts being removed or installed. Use caution to avoid injury. Tools Required · jeweler's flat-blade screwdriver · either a 5 mm wrench or socket wrench, or needle nose pliers Opening the Computer 1. Place your computer on a clean, flat surface. Shut down your computer. Disconnect the power cord and any other cables connected to the computer. Warning: Always turn off your computer before opening its case to avoid damaging its internal components. Close the computer and turn it over. Slide the battery compartment latch (Figure 1A) to the right to remove the battery (Figure 1B). Removing the battery will prevent you from accidentally turning on the computer. Warning: The internal components of your PowerBook may be hot. If you have been using your PowerBook, wait 30 minutes after shutting down your computer to let the internal components cool down before continuing. Turn over the computer and raise the display so you can access the keyboard. Make sure that the keyboard locking screw is not in the locked position (Figure 2). Your new PowerBook comes with the keyboard unlocked, so unless you or someone else locked the keyboard, you can skip this step. 073-0597 Rev. B 6. Release the keyboard by pulling down on the keyboard release tabs located to the left of the F1 and F9 keys (Figure 3), then lift the top portion of the keyboard up and toward the display to release the tabs that hold the bottom of the keyboard in place. Flip over the keyboard and lay it on the palm rests and trackpad (Figure 4). Removing the Modem 1...