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Troubleshooting Symptom Charts/Power - 7
After you remove
main battery, some
Control Panel
settings are different
1 Make sure backup battery is securely connected.
2 Replace backup battery.
Power adapter is
plugged in, but
battery DA does not
indicate charger is
connected
1 This is normal for fully-charged battery.
2 Check power adapter connection.
3 Try known-good, charged main battery.
4 Check output voltage on power adapter to determine if
adapter is good.
5 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.