Apple PowerBook Duo Specifications download pdf (Page 31)

Troubleshooting Symptom Charts/Power - 6

Power

Screen is blank;

computer does not

respond

1 Disconnect power adapter, remove battery for 3 minutes,

then reinstall battery.

2 Press rear power switch.

3 Reset power manager.

4 Try known-good, charged main battery.

5 Check all logic board cable connections.

6 Replace logic board.

Note:

When replacing the logic board, check that the serial port

EMI clip is attached to the bottom of the CPU stiffener. If it is

missing, replace the stiffener. On international units, also

replace the stiffener if the modem EMI clip is missing. The “CPU

Stiffener” topic in Take Apart helps you locate and identify the

two EMI clips.

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Apple PowerBook Duo Specifications Page 31