How to Use the Symptom Charts

The Symptom Charts included in this chapter will help you diagnose specific symptoms related to the product. Because cures are listed on the charts in the order of most likely solution, try the cures in the order presented. Verify whether or not the product continues to exhibit the symptom. If the symptom persists, try the next cure. Note If you have replaced a module, reinstall the original module before you proceed to the next cure. AirPort Extreme Bluetooth Card AirPort Extreme Bluetooth...

Procedure

Inverter Cable Macbook

If tape covers the inverter cable where it exits the bezel, remove the tape. 2. Peel away the tape that binds the inverter cable to the antenna cables. Remove the gray and black antenna cables where they overlap the inverter cable. Important Note how the individual cables overlap where they exit the display gray antenna cable crosses over black antenna cable black antenna cable threads under the green inverter cable. Replace the cables in the same orientation. 3. Note how the silver colored...

Ibook G4 12 Bluetooth

Ibook Airport Bluetooth Card

With the computer on a soft cloth, note the routing of the thin, black microphone cable and the LVDS low voltage data signal cable. 2. Disconnect the microphone cable from the logic board near the hard drive. 3. Pull up the flexible tab to disconnect the LVDS cable from the logic board. 4. Peel up any tape that secures the two cables. 5. Without straining the microphone and LVDS cables, carefully pull them up from the computer assembly. 6. Remove the 3.5-mm long screw that anchors the LVDS...

Keyboard

No response from any key on keyboard 1. Remove any connected peripherals. 2. Visually verify that no keys are stuck in the down position. 3. Boot from a Mac OS system CD to verify that it is not a software problem. 4. Turn off the computer. Disconnect the keyboard connector and inspect connectors. The keyboard lock is damaged or won't lock 1. Verify that keyboard is installed properly so the lock lines up with the notch in the top case. 1. If the keycap and scissors mechanism is not broken, it...

Error Beeps

The computer automatically performs a power-on self test when it is turned on after being fully shut down not a restart . This section describes what to do if beeps are heard during the startup. Note The computer has a memory expansion slot that accepts a 1.25-inch or shorter PC-2700S or better, SO-DIMM memory card. Refer to the Memory Replacement instructions for removal and installation. 1. One beep means that no RAM is detected. 2. If a RAM card is installed in the expansion slot, remove it...