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Troubleshooting Symptom Charts/Power - 7
Power adapter is
plugged in, but
Control Strip doesn’t
indicate adapter is
connected
1 Verify that power adapter is connected correctly.
2 Try known-good power adapter.
3 Replace logic board.
When Shutdown is
selected with power
adapter plugged in,
computer shuts down
but immediately
powers back up
1 Reset PRAM. (See Power Manager and PRAM Reset in
Additional Procedures.)
2 Disconnect power adapter, remove main battery, disconnect
backup battery, and wait 15 minutes before retesting.